Triamterene and hydrochlorothiazide interactions

Hypersensitivity Hypersensitivity to either drug in the preparation or to other sulfonamide-derived drugs is a contraindication. (Triamterene and hydrochlorothiazide label, Contraindications)

CONTRAINDICATIONS Antikaliuretic Therapy and Potassium Supplementation Triamterene and hydrochlorothiazide should not be given to patients receiving other potassium-sparing agents such as spironolactone, amiloride, or other formulations containing triamterene. (Triamterene and hydrochlorothiazide label, Contraindications)

Hyperkalemia Abnormal elevation of serum potassium levels (≥5.5 mEq/liter) can occur with all potassium-sparing diuretic combinations, including triamterene and hydrochlorothiazide. (Triamterene and hydrochlorothiazide label, Boxed warning)

Use CLOZARIL cautiously in patients with cardiovascular or cerebrovascular disease or conditions predisposing to hypotension (e.g., dehydration, use of antihypertensive medications) [see Dosage and Administration ( 2.2 , 2.6 ), Warnings and Precautions ( 5.2 )]. (Clozapine label, Boxed warning)

Potassium-Sparing Diuretics Cyclosporine should not be used with potassium-sparing diuretics because hyperkalemia can occur. (Cyclosporine label, Drug interactions)

The concomitant use of hydrochlorothiazide (alone or in combinations such as with triamterene) with dofetilide is contraindicated (see PRECAUTIONS, Drug-Drug Interactions ) because this has been shown to significantly increase dofetilide plasma concentrations and QT interval prolongation. (Dofetilide label, Contraindications)

Hypersensitivity Hypersensitivity to either drug in the preparation or to other sulfonamide-derived drugs is a contraindication. (Triamterene and hydrochlorothiazide label, Contraindications)

Hypersensitivity Hypersensitivity to either drug in the preparation or to other sulfonamide-derived drugs is a contraindication. (Triamterene and hydrochlorothiazide label, Contraindications)

Avoid potassium sparing agents in patients with heart failure ( 7.3 ). (Enalapril label, Drug interactions)

CONTRAINDICATIONS Antikaliuretic Therapy and Potassium Supplementation Triamterene and hydrochlorothiazide should not be given to patients receiving other potassium-sparing agents such as spironolactone, amiloride, or other formulations containing triamterene. (Triamterene and hydrochlorothiazide label, Contraindications)

Hyperkalemia Abnormal elevation of serum potassium levels (≥5.5 mEq/liter) can occur with all potassium-sparing diuretic combinations, including triamterene and hydrochlorothiazide. (Triamterene and hydrochlorothiazide label, Boxed warning)

Hyperkalemia Abnormal elevation of serum potassium levels (≥5.5 mEq/liter) can occur with all potassium-sparing diuretic combinations, including triamterene and hydrochlorothiazide. (Triamterene and hydrochlorothiazide label, Boxed warning)

The concurrent use of gentamicin with potent diuretics, such as ethacrynic acid or furosemide, should be avoided, since certain diuretics by themselves may cause ototoxicity. (Gentamicin label, Boxed warning)

• GI Toxicity with Solid Oral Dosage Forms of Potassium Chloride : Concomitant use is not recommended. (Glycopyrrolate label, Drug interactions)

Indomethacin and triamterene should not be administered together. (Indomethacin label, Warnings and precautions)

Diuretics Eplerenone Contraindicated during and 2 weeks after TOLSURA treatment. (Itraconazole label, Drug interactions)

Other Antihypertensive Drugs When metolazone tablets, USP, are used with other antihypertensive drugs, particular care must be taken to avoid excessive reduction of blood pressure, especially during initial therapy. (Metolazone label, Warnings)

Minoxidil should be reserved for hypertensive patients who do not respond adequately to maximum therapeutic doses of a diuretic and two other antihypertensive agents. (Minoxidil label, Boxed warning)

The concurrent use of neomycin with potent diuretics such as ethacrynic acid or furosemide should be avoided, since certain diuretics by themselves may cause ototoxicity. (Neomycin label, Boxed warning)

Concomitant potassium-containing salt substitutes should also not be used. (Triamterene and hydrochlorothiazide label, Contraindications)

Potassium chloride is contraindicated in patients on triamterene and amiloride. (Potassium chloride label, Contraindications)

…sometimes associated with oliguria and/or progressive azotemia, and rarely with acute renal failure and/or death, include patients with the following conditions or characteristics: heart failure, hyponatremia, high dose diuretic therapy, recent intensive diuresis or increase in diuretic dose, renal dialysis, or severe volume and/or salt depletion of any etiology. (Quinapril label, Warnings)

Hypersensitivity Hypersensitivity to either drug in the preparation or to other sulfonamide-derived drugs is a contraindication. (Triamterene and hydrochlorothiazide label, Contraindications)

Sodium bicarbonate injection is contraindicated in patients who are losing chloride by vomiting or from continuous gastrointestinal suction and in patients receiving diuretics known to produce a hypochloremic alkalosis. (Sodium bicarbonate label, Contraindications)

CONTRAINDICATIONS Antikaliuretic Therapy and Potassium Supplementation Triamterene and hydrochlorothiazide should not be given to patients receiving other potassium-sparing agents such as spironolactone, amiloride, or other formulations containing triamterene. (Triamterene and hydrochlorothiazide label, Contraindications)

CONTRAINDICATIONS Antikaliuretic Therapy and Potassium Supplementation Triamterene and hydrochlorothiazide should not be given to patients receiving other potassium-sparing agents such as spironolactone, amiloride, or other formulations containing triamterene. (Triamterene and hydrochlorothiazide label, Contraindications)

Hypersensitivity Hypersensitivity to either drug in the preparation or to other sulfonamide-derived drugs is a contraindication. (Triamterene and hydrochlorothiazide label, Contraindications)

Hypersensitivity Hypersensitivity to either drug in the preparation or to other sulfonamide-derived drugs is a contraindication. (Triamterene and hydrochlorothiazide label, Contraindications)

…coadministration of an alpha-blocker and CIALIS for the treatment of BPH has not been adequately studied, and due to the potential vasodilatory effects of combined use resulting in blood pressure lowering, the combination of CIALIS and alpha-blockers is not recommended for the treatment of BPH. [see Dosage and Administration ( 2.7 ), Drug Interactions ( 7.1 ),… (Tadalafil label, Warnings and precautions)

Hyperkalemia Abnormal elevation of serum potassium levels (≥5.5 mEq/liter) can occur with all potassium-sparing diuretic combinations, including triamterene and hydrochlorothiazide. (Triamterene and hydrochlorothiazide label, Boxed warning)

CONTRAINDICATIONS Antikaliuretic Therapy and Potassium Supplementation Triamterene and hydrochlorothiazide should not be given to patients receiving other potassium-sparing agents such as spironolactone, amiloride, or other formulations containing triamterene. (Triamterene and hydrochlorothiazide label, Contraindications)

Hypersensitivity Hypersensitivity to either drug in the preparation or to other sulfonamide-derived drugs is a contraindication. (Triamterene and hydrochlorothiazide label, Contraindications)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Diuretics: Use with caution. (Albuterol label, Drug interactions)

Postural hypotension/syncope: Care should be taken in patients with symptomatic hypotension or who have had a hypotensive response to other medications or are concomitantly treated with antihypertensive medication or nitrates ( 5.1 ) (Alfuzosin label, Warnings and precautions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (Allopurinol label, Warnings and precautions)

Give special attention to electrolyte and acid-base balance in patients experiencing severe or prolonged diarrhea or in patients receiving concomitant diuretics and laxatives. (Amiodarone label, Warnings and precautions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Drug Interactions Angiotensin-Converting Enzyme Inhibitors Potassium-sparing agents should be used with caution in conjunction with angiotensin-converting enzyme (ACE) inhibitors due to an increased risk of hyperkalemia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Triamterene and hydrochlorothiazide label, Warnings)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Triamterene and hydrochlorothiazide label, Warnings)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Triamterene and hydrochlorothiazide label, Warnings)

The effect of oral anticoagulants may be decreased when used concurrently with hydrochlorothiazide; dosage adjustments may be necessary. (Triamterene and hydrochlorothiazide label, Drug interactions)

Antihypertensive Drugs Due to its alpha-adrenergic antagonism, aripiprazole has the potential to enhance the effect of certain antihypertensive agents. (Aripiprazole label, Drug interactions)

There was also a slightly greater proportion of patients on NUVIGIL requiring new or increased use of antihypertensive medications (2.9%) compared to patients on placebo (1.8%). (Armodafinil label, Warnings and precautions)

Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (elderly patients, patients with dehydration, hypovolemia, concomitant treatment with antihypertensive medications, patients with known cardiovascular disease (history of myocardial infarction or ischemic heart disease, heart failure, or conduction abnormalities), and patients… (Asenapine label, Warnings and precautions)

Caution is advised in administering nonsteroidal anti-inflammatory agents with triamterene and hydrochlorothiazide. (Triamterene and hydrochlorothiazide label, Drug interactions)

Caution is advised in administering nonsteroidal anti-inflammatory agents with triamterene and hydrochlorothiazide. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Antihypertensive Drugs Prevention or Management Increase the frequency of monitoring blood pressure and adjust atomoxetine oral solution dosage as clinically appropriate. (Atomoxetine label, Drug interactions)

• Use of avanafil with alpha-blockers, other antihypertensives, or substantial amounts of alcohol (greater than 3 units) may lead to hypotension ( 2.3 , 5.6 , 5.7 ) (Avanafil label, Warnings and precautions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides have also been shown to increase the paralyzing effect of nondepolarizing muscle relaxants such as tubocurarine (an effect attributed to potassium loss); consequently, caution should be observed in patients undergoing surgery. (Triamterene and hydrochlorothiazide label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Drug Interactions Angiotensin-Converting Enzyme Inhibitors Potassium-sparing agents should be used with caution in conjunction with angiotensin-converting enzyme (ACE) inhibitors due to an increased risk of hyperkalemia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Chronic or overuse of laxatives may reduce serum potassium levels by promoting excessive potassium loss from the intestinal tract; laxatives may interfere with the potassium-retaining effects of triamterene. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, concomitant treatment with antihypertensive medication), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Brexpiprazole label, Warnings and precautions)

Antihypertensives/Cardiac Glycosides Because brimonidine tartrate ophthalmic solution 0.1% and 0.15% may reduce blood pressure, caution in using drugs such as antihypertensives and/or cardiac glycosides with brimonidine tartrate ophthalmic solution 0.1% and 0.15% is advised. (Brimonidine label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Examples: cyclobenzaprine, metaxalone Diuretics Clinical Impact: Opioids can reduce the efficacy of diuretics by inducing the release of antidiuretic hormone. (Buprenorphine label, Drug interactions)

Examples: Cyclobenzaprine, metaxalone Diuretics Clinical Impact: Opioids can reduce the efficacy of diuretics by inducing the release of antidiuretic hormone. (Buprenorphine and naloxone label, Drug interactions)

Thiazides Thiazides are known to induce hypercalcemia by the reduction of calcium excretion in urine. (Calcitriol label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Drug Interactions Angiotensin-Converting Enzyme Inhibitors Potassium-sparing agents should be used with caution in conjunction with angiotensin-converting enzyme (ACE) inhibitors due to an increased risk of hyperkalemia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Elderly patients and patients treated with diuretics are at greater risk of developing hyponatremia. (Carbamazepine label, Warnings and precautions)

Antihypertensive drugs: May cause symptomatic postural hypotension. (Carbidopa and levodopa label, Drug interactions)

Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Cariprazine label, Warnings and precautions)

Thiazides have also been shown to increase the paralyzing effect of nondepolarizing muscle relaxants such as tubocurarine (an effect attributed to potassium loss); consequently, caution should be observed in patients undergoing surgery. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Caution is advised in administering nonsteroidal anti-inflammatory agents with triamterene and hydrochlorothiazide. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazide diuretics may accentuate the orthostatic hypotension that may occur with phenothiazines. (Chlorpromazine label, Precautions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Drug Interactions Cholestyramine for Oral Suspension USP may delay or reduce the absorption of concomitant oral medication such as phenylbutazone, warfarin, thiazide diuretics (acidic), or propranolol (basic), as well as tetracycline, penicillin G, phenobarbital, thyroid and thyroxine preparations, estrogens and progestins, and digitalis. (Cholestyramine label, Drug interactions)

Elderly patients, patients taking diuretics, and those who are volume depleted may be at greater risk for developing hyponatremia with SSRIs [see Use in Specific Populations ( 8.5 )] . (Citalopram label, Warnings and precautions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Diuretics Clinical Impact: Opioids can reduce the efficacy of diuretics by inducing the release of antidiuretic hormone. (Codeine label, Drug interactions)

Thiazides have also been shown to increase the paralyzing effect of nondepolarizing muscle relaxants such as tubocurarine (an effect attributed to potassium loss); consequently, caution should be observed in patients undergoing surgery. (Triamterene and hydrochlorothiazide label, Drug interactions)

The effect of oral anticoagulants may be decreased when used concurrently with hydrochlorothiazide; dosage adjustments may be necessary. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides have also been shown to increase the paralyzing effect of nondepolarizing muscle relaxants such as tubocurarine (an effect attributed to potassium loss); consequently, caution should be observed in patients undergoing surgery. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

…Hyponatremia Concomitant administration of DESMODA with other drugs that may increase the risk of water intoxication with hyponatremia, (e.g., tricyclic antidepressants, selective serotonin re-uptake inhibitors, chlorpromazine, opiate analgesics, thiazide diuretics, NSAIDs, lamotrigine, sulfonylureas, particularly chlorpropamide, oxybutynin and carbamazepine). (Desmopressin label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk [see Use in Specific Populations (8.5) and Clinical Pharmacology (12.3) ] . (Desvenlafaxine label, Warnings and precautions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ] . (Dexlansoprazole label, Warnings and precautions)

• Antihypertensive Drugs: Monitor blood pressure. (Dexmethylphenidate label, Drug interactions)

Caution is advised in administering nonsteroidal anti-inflammatory agents with triamterene and hydrochlorothiazide. (Triamterene and hydrochlorothiazide label, Drug interactions)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Triamterene and hydrochlorothiazide label, Warnings)

Serum potassium levels should be carefully monitored when digoxin is given to patients at high risk of hypokalemia ( e.g. , those receiving diuretics, corticosteroids, or other drugs that commonly lead to potassium loss; those with gastrointestinal losses through diarrhea, vomiting, or nasogastric suction; or those with potassium-losing endocrinopathies or nephropathies). (Digoxin label, Warnings and precautions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Chronic or overuse of laxatives may reduce serum potassium levels by promoting excessive potassium loss from the intestinal tract; laxatives may interfere with the potassium-retaining effects of triamterene. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Medications that may increase serum potassium concentration include ACE inhibitors, angiotensin-II receptor antagonists, potassium-sparing diuretics, potassium supplementation, heparin, aldosterone antagonists, and NSAIDS. (Drospirenone and ethinyl estradiol label, Warnings and precautions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

The risk of BP decreases may be greater in patients taking concomitant medications that induce orthostatic hypotension (such as antihypertensives) or are potent CYP1A2 inhibitors [see Warnings and Precautions ( 5.12 ) and Drug Interactions ( 7.1 )] and in patients taking CYMBALTA at doses above 60 mg daily. (Duloxetine label, Warnings and precautions)

The effect of oral anticoagulants may be decreased when used concurrently with hydrochlorothiazide; dosage adjustments may be necessary. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

The effect of oral anticoagulants may be decreased when used concurrently with hydrochlorothiazide; dosage adjustments may be necessary. (Triamterene and hydrochlorothiazide label, Drug interactions)

…Precautions (5.6) and Adverse Reactions (6) ]. β-blockers, such as propranolol Cyclopropane or halogenated hydrocarbon anesthetics, such as halothane Antihistamines Thyroid hormones Diuretics Cardiac glycosides, such as digitalis glycosides Quinidine Drugs potentiating hypokalemic effects of epinephrine • Potassium depleting diuretics • Corticosteroids • Theophylline… (Epinephrine label, Drug interactions)

Following initiation and titration of Epogen, approximately 25% of patients on dialysis required initiation of or increases in antihypertensive therapy; hypertensive encephalopathy and seizures have been reported in patients with CKD receiving Epogen. (Epoetin alfa label, Warnings and precautions)

Also, patients taking diuretics or who are otherwise volume depleted may be at greater risk. (Escitalopram label, Warnings and precautions)

• Antihypertensive agents clonidine, guanfacine, or moxonidine: Beta blockers also increase the risk of clonidine-, guanfacine-, or moxonidine-withdrawal rebound hypertension. (Esmolol label, Drug interactions)

For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ] . (Esomeprazole label, Warnings and precautions)

Caution is advised in administering nonsteroidal anti-inflammatory agents with triamterene and hydrochlorothiazide. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

…treatment with Class 1 and Class III antiarrhythmics, 4) treatment with monoamine oxidase inhibitors (MAOI's), 5) concomitant treatment with other drug products known to prolong the QT interval and 6) electrolyte imbalance, in particular hypokalemia and hypomagnesemia, or concomitant treatment with drugs (e.g., diuretics) that may cause electrolyte imbalance. (Fentanyl label, Warnings and precautions)

Hydrochlorothiazide In a pharmacokinetic interaction study, coadministration of multiple-dose hydrochlorothiazide to healthy volunteers receiving fluconazole increased plasma concentrations of fluconazole by 40%. (Fluconazole label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted may be at greater risk [see Use in Specific Populations ( 8.5 )] . (Fluoxetine label, Warnings and precautions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted may be at greater risk. (Fluvoxamine label, Warnings and precautions)

The effect of oral anticoagulants may be decreased when used concurrently with hydrochlorothiazide; dosage adjustments may be necessary. (Triamterene and hydrochlorothiazide label, Drug interactions)

• Xanthine derivatives, steroids, diuretics, or non-potassium sparing diuretics may potentiate hypokalemia or ECG changes. (Formoterol label, Drug interactions)

Drug Interactions Angiotensin-Converting Enzyme Inhibitors Potassium-sparing agents should be used with caution in conjunction with angiotensin-converting enzyme (ACE) inhibitors due to an increased risk of hyperkalemia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Orthostatic vital signs should be monitored in patients who are at risk for hypotension (e.g., geriatric patients, patients with dehydration, hypovolemia, and concomitantly treated with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Haloperidol label, Warnings and precautions)

The effect of oral anticoagulants may be decreased when used concurrently with hydrochlorothiazide; dosage adjustments may be necessary. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Diuretics Opioids can reduce the efficacy of diuretics by inducing the release of antidiuretic hormone. (Hydrocodone and acetaminophen label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Examples: cyclobenzaprine, metaxalone Diuretics Clinical Impact: Opioids can reduce the efficacy of diuretics by inducing the release of antidiuretic hormone. (Hydromorphone label, Drug interactions)

Caution is advised in administering nonsteroidal anti-inflammatory agents with triamterene and hydrochlorothiazide. (Triamterene and hydrochlorothiazide label, Drug interactions)

Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive medications), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and… (Iloperidone label, Warnings and precautions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Diuretics eplerenone The potential increase in plasma concentrations of eplerenone when coadministered with ketoconazole tablets may increase the risk of hyperkalemia and hypotension. (Ketoconazole label, Drug interactions)

Caution is advised in administering nonsteroidal anti-inflammatory agents with triamterene and hydrochlorothiazide. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Chronic or overuse of laxatives may reduce serum potassium levels by promoting excessive potassium loss from the intestinal tract; laxatives may interfere with the potassium-retaining effects of triamterene. (Triamterene and hydrochlorothiazide label, Drug interactions)

For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ] . (Lansoprazole label, Warnings and precautions)

Diuretics The ECG changes or hypokalemia that may result from the administration of non-potassium-sparing diuretics (such as loop and thiazide diuretics) can be acutely worsened by beta-agonists, especially when the recommended dose of the beta-agonist is exceeded. (Levalbuterol label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume depleted can be at greater risk. (Levomilnacipran label, Warnings and precautions)

Diuretics Opioids can reduce the efficacy of diuretics by inducing the release of antidiuretic hormone. (Levorphanol label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Monitor serum sodium levels regularly in the elderly, in patients taking diuretics, and in other patients at risk of hyponatremia and/or SIADH while taking Linezolid injection. (Linezolid label, Warnings and precautions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Drug Interactions Angiotensin-Converting Enzyme Inhibitors Potassium-sparing agents should be used with caution in conjunction with angiotensin-converting enzyme (ACE) inhibitors due to an increased risk of hyperkalemia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Lithium Lithium generally should not be given with diuretics because they reduce its renal clearance and increase the risk of lithium toxicity. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Orthostatic vital signs should be monitored in patients who are vulnerable to hypotension (e.g., elderly patients, patients with dehydration, hypovolemia, and concomitant treatment with antihypertensive drugs), patients with known cardiovascular disease (history of myocardial infarction, ischemic heart disease, heart failure, or conduction abnormalities), and patients… (Lumateperone label, Warnings and precautions)

Patients at increased risk of these adverse reactions or at increased risk of developing complications from hypotension include those with dehydration, hypovolemia, treatment with antihypertensive medication, history of cardiovascular disease (e.g., heart failure, myocardial infarction, ischemia, or conduction abnormalities), history of cerebrovascular disease,… (Lurasidone label, Warnings and precautions)

Caution is advised in administering nonsteroidal anti-inflammatory agents with triamterene and hydrochlorothiazide. (Triamterene and hydrochlorothiazide label, Drug interactions)

Examples: Cyclobenzaprine, metaxalone Diuretics Clinical Impact: Opioids can reduce the efficacy of diuretics by inducing the release of antidiuretic hormone. (Meperidine label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Closely monitor patients with risk factors for development of prolonged QT interval (e.g., cardiac hypertrophy, concomitant diuretic use, hypokalemia, hypomagnesemia), a history of cardiac conduction abnormalities, and those taking medications affecting cardiac conduction. (Methadone label, Warnings and precautions)

Thiazides have also been shown to increase the paralyzing effect of nondepolarizing muscle relaxants such as tubocurarine (an effect attributed to potassium loss); consequently, caution should be observed in patients undergoing surgery. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Antihypertensive Drugs: Monitor blood pressure. (Methylphenidate label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Elderly patients, patients taking diuretics, and those who are volume-depleted may be at greater risk of developing hyponatremia [see Use in Specific Populations (8.5) ] . (Mirtazapine label, Warnings and precautions)

However, a retrospective analysis of the use of antihypertensive medication in these studies showed that a greater proportion of patients on PROVIGIL required new or increased use of antihypertensive medications (2.4%) compared to patients on placebo (0.7%). (Modafinil label, Warnings and precautions)

Drug Interactions Angiotensin-Converting Enzyme Inhibitors Potassium-sparing agents should be used with caution in conjunction with angiotensin-converting enzyme (ACE) inhibitors due to an increased risk of hyperkalemia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Diuretics Clinical Impact: Opioids can reduce the efficacy of diuretics by inducing the release of antidiuretic hormone. (Morphine label, Drug interactions)

Caution is advised in administering nonsteroidal anti-inflammatory agents with triamterene and hydrochlorothiazide. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Diuretics Opioids can reduce the efficacy of diuretics by inducing the release of antidiuretic hormone. (Nalbuphine label, Drug interactions)

Caution is advised in administering nonsteroidal anti-inflammatory agents with triamterene and hydrochlorothiazide. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Antihypertensive Therapy Niacin may potentiate the effects of ganglionic blocking agents and vasoactive drugs resulting in postural hypotension. (Niacin label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Antihypertensives: Possible additive hypotensive effects. (Nitroglycerin label, Drug interactions)

…of myocardial infarction or ischemia, heart failure, or conduction abnormalities), cerebrovascular disease, and conditions which would predispose patients to hypotension (dehydration, hypovolemia, and treatment with antihypertensive medications) where the occurrence of syncope, or hypotension and/or bradycardia might put the patient at increased medical risk. (Olanzapine label, Warnings and precautions)

Examples: cyclobenzaprine, metaxalone Diuretics Clinical Impact: Opioids can reduce the efficacy of diuretics by inducing the release of antidiuretic hormone. (Oliceridine label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions ( 6.2 )] . (Omeprazole label, Warnings and precautions)

Examples: cyclobenzaprine, metaxalone Diuretics Clinical Impact: Opioids can reduce the efficacy of diuretics by inducing the release of antidiuretic hormone. (Oxycodone label, Drug interactions)

Diuretics Clinical Impact: Opioids can reduce the efficacy of diuretics by inducing the release of antidiuretic hormone. (Oxycodone and acetaminophen label, Drug interactions)

Examples: butorphanol, nalbuphine, pentazocine, buprenorphine Diuretics Clinical Impact: Opioids can reduce the efficacy of diuretics by inducing the release of antidiuretic hormone. (Oxymorphone label, Drug interactions)

Use ERZOFRI with caution in patients with known cardiovascular disease (e.g., heart failure, history of myocardial infarction or ischemia, conduction abnormalities), cerebrovascular disease, or conditions that predispose the patient to hypotension (e.g., dehydration, hypovolemia, and treatment with antihypertensive medications). (Paliperidone label, Warnings and precautions)

For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Pantoprazole label, Warnings and precautions)

Geriatric patients, patients taking diuretics, and those who are volume-depleted may be at greater risk of developing hyponatremia with SSRIs [see Use in Specific Populations ( 8.5 )] . (Paroxetine label, Warnings and precautions)

…with renal insufficiency: blood from blood bank (may contain potassium up to 30 mEq/L of plasma or up to 65 mEq/L of whole blood when stored for more than 10 days); low-salt milk (may contain potassium up to 60 mEq/L); potassium-containing medications (such as parenteral penicillin G potassium); salt substitutes (most contain substantial amounts of potassium). (Triamterene and hydrochlorothiazide label, Drug interactions)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Triamterene and hydrochlorothiazide label, Warnings)

Diuretics Opioids can reduce the efficacy of diuretics by inducing the release of antidiuretic hormone. (Pentazocine and naloxone label, Drug interactions)

Small decreases in blood pressure have been observed in some patients treated with pentoxifylline extended-release tablets; periodic systemic blood pressure monitoring is recommended for patients receiving concomitant antihypertensive therapy. (Pentoxifylline label, Drug interactions)

Drug Interactions Angiotensin-Converting Enzyme Inhibitors Potassium-sparing agents should be used with caution in conjunction with angiotensin-converting enzyme (ACE) inhibitors due to an increased risk of hyperkalemia. (Triamterene and hydrochlorothiazide label, Drug interactions)

…hydrochloride desipramine hydrochloride imipramine hydrochloride doxepin carbamazepine cyclobenzaprine HCl amoxapine maprotiline HCl trimipramine maleate protriptyline HCl mirtazapine Phenelzine sulfate should be used with caution in combination with antihypertensive drugs, including thiazide diuretics and β-blockers, since exaggerated hypotensive effects may result. (Phenelzine label, Warnings)

Concomitant administration of hydrochlorothiazide alone with topiramate alone has been shown to increase the C max and AUC of topiramate by 27% and 29%, respectively. (Phentermine and topiramate label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Chronic or overuse of laxatives may reduce serum potassium levels by promoting excessive potassium loss from the intestinal tract; laxatives may interfere with the potassium-retaining effects of triamterene. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazide diuretics may accentuate the orthostatic hypotension that may occur with phenothiazines. (Prochlorperazine label, Precautions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Quetiapine should be used with particular caution in patients with known cardiovascular disease (history of myocardial infarction or ischemic heart disease, heart failure, or conduction abnormalities), cerebrovascular disease, or conditions which would predispose patients to hypotension (dehydration, hypovolemia, and treatment with antihypertensive medications). (Quetiapine label, Warnings and precautions)

For patients expected to be on prolonged treatment or who take PPIs with medications such as digoxin or drugs that may cause hypomagnesemia (e.g., diuretics), health care professionals may consider monitoring magnesium levels prior to initiation of PPI treatment and periodically [see Adverse Reactions (6.2) ]. (Rabeprazole label, Warnings and precautions)

Drug Interactions Angiotensin-Converting Enzyme Inhibitors Potassium-sparing agents should be used with caution in conjunction with angiotensin-converting enzyme (ACE) inhibitors due to an increased risk of hyperkalemia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Consider the potential for symptomatic hypotension or ischemia in patients with hypovolemia, severe left ventricular outflow obstruction, resting hypotension, autonomic dysfunction, or concomitant treatment with antihypertensives or strong CYP and P-gp/BCRP inhibitors [see Drug Interactions (7.2) and Clinical Pharmacology (12.3) ] . (Riociguat label, Warnings and precautions)

Clinically significant hypotension has been observed with concomitant use of oral RISPERDAL and antihypertensive medication. (Risperidone label, Warnings and precautions)

The effect of oral anticoagulants may be decreased when used concurrently with hydrochlorothiazide; dosage adjustments may be necessary. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

• Diuretics: Use with caution. (Salmeterol label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Chronic or overuse of laxatives may reduce serum potassium levels by promoting excessive potassium loss from the intestinal tract; laxatives may interfere with the potassium-retaining effects of triamterene. (Triamterene and hydrochlorothiazide label, Drug interactions)

Elderly patients, patients taking diuretics, and those who are volume-depleted may be at greater risk of developing hyponatremia with SSRIs [see Use in Specific Populations ( 8.5 )] . (Sertraline label, Warnings and precautions)

Caution is advised when SILDENAFIL ORAL FILM is co-administered with alpha-blockers or antihypertensives. (Sildenafil label, Warnings and precautions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Special attention should be given to electrolyte and acid-base balance in patients experiencing severe or prolonged diarrhea or patients receiving concomitant diuretic drugs. (Sotalol label, Warnings and precautions)

Caution is advised in administering nonsteroidal anti-inflammatory agents with triamterene and hydrochlorothiazide. (Triamterene and hydrochlorothiazide label, Drug interactions)

• Hypertension: May require antihypertensive therapy; monitor relevant drug interactions. (Tacrolimus label, Warnings and precautions)

…use of skeletal muscle relaxants and opioids, consider prescribing naloxone for the emergency treatment of opioid overdose [see Dosage and Administration (2.2) , Warnings and Precautions (5.2 , 5.3) ] Examples: cyclobenzaprine, metaxalone Diuretics Clinical Impact: Opioids can reduce the efficacy of diuretics by inducing the release of antidiuretic hormone. (Tapentadol label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Diuretics The ECG changes and/or hypokalemia that may result from the administration of non-potassium sparing diuretics (such as loop or thiazide diuretics) can be acutely worsened by beta-agonists, especially when the recommended dose of the beta-agonist is exceeded. (Terbutaline label, Precautions)

In patients with hypertension on antihypertensive therapy, KYZATREX® increased the mean systolic/diastolic BP by 3.4/0.7 mm Hg from baseline after 4 months of treatment and 3.1/1.0 mm Hg from baseline after 6 months of treatment. [see Adverse Reactions (6.1) ]. (Testosterone label, Warnings and precautions)

Oral Hypoglycemic Drugs Concurrent use with chlorpropamide may increase the risk of severe hyponatremia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Thiazides have also been shown to increase the paralyzing effect of nondepolarizing muscle relaxants such as tubocurarine (an effect attributed to potassium loss); consequently, caution should be observed in patients undergoing surgery. (Triamterene and hydrochlorothiazide label, Drug interactions)

Some diuretics can enhance aminoglycoside toxicity by altering antibiotic concentrations in serum and tissue. (Tobramycin label, Drug interactions)

Hydrochlorothiazide (HCTZ) Topiramate C max and AUC increased when HCTZ was added to immediate-release topiramate. (Topiramate label, Drug interactions)

Diuretics Clinical Impact: Opioids can reduce the efficacy of diuretics by inducing the release of antidiuretic hormone. (Tramadol label, Drug interactions)

Drug Interactions Angiotensin-Converting Enzyme Inhibitors Potassium-sparing agents should be used with caution in conjunction with angiotensin-converting enzyme (ACE) inhibitors due to an increased risk of hyperkalemia. (Triamterene and hydrochlorothiazide label, Drug interactions)

Concomitant use with an antihypertensive may require a reduction in the dose of the antihypertensive drug. (Trazodone label, Warnings and precautions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

• Diuretics: Use with caution. (Umeclidinium and vilanterol label, Drug interactions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Other Considerations Concurrent use of hydrochlorothiazide with amphotericin B or corticosteroids or corticotropin (ACTH) may intensify electrolyte imbalance, particularly hypokalemia, although the presence of triamterene minimizes the hypokalemic effect. (Triamterene and hydrochlorothiazide label, Drug interactions)

Vardenafil hydrochloride tablets can potentiate the hypotensive effects of nitrates, alpha- blockers, and antihypertensives. (Vardenafil label, Drug interactions)

Also, patients taking diuretics or who are otherwise volume-depleted may be at greater risk [see Use in Specific Populations ( 8.5 )] . (Venlafaxine label, Warnings and precautions)

Thiazides may add to or potentiate the action of other antihypertensive drugs. (Triamterene and hydrochlorothiazide label, Drug interactions)

Elderly patients, patients taking diuretics, and those who are volume-depleted may be at greater risk of developing hyponatremia with SSRIs and SNRIs [see Use in Specific Populations ( 8.5 )] . (Vilazodone label, Warnings and precautions)

Thiazide diuretics reduce calcium excretion; combined with vitamin D and calcium supplements this can lead to hypercalcemia, especially in older adults. (NIH Office of Dietary Supplements, Vitamin D)

Also, patients taking diuretics or who are otherwise volume-depleted can be at greater risk. (Vortioxetine label, Warnings and precautions)

The effect of oral anticoagulants may be decreased when used concurrently with hydrochlorothiazide; dosage adjustments may be necessary. (Triamterene and hydrochlorothiazide label, Drug interactions)

Hypokalemia may result from diuretic therapy, diarrhea, and other causes. (Ziprasidone label, Warnings and precautions)

Patients required intervention with a diuretic, fluid management, or, in some cases, hospitalization for decompensating heart failure. (Ambrisentan label, Warnings and precautions)

Patients required intervention with a diuretic, fluid management, or hospitalization for decompensating heart failure. (Bosentan label, Warnings and precautions)

In such cases, butorphanol should be discontinued and the hypertension treated with antihypertensive drugs. (Butorphanol label, Warnings)

Thiazide diuretics reduce calcium excretion, so high calcium intake can raise blood calcium. (NIH Office of Dietary Supplements, Calcium)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (Dronedarone label, Warnings and precautions)

In Vivo Drug Interaction Studies Based on drug interaction studies in healthy patients, ULORIC does not have clinically significant interactions with colchicine, naproxen, indomethacin, hydrochlorothiazide, warfarin or desipramine [see Clinical Pharmacology (12.3) ]. (Febuxostat label, Drug interactions)

…clinical studies with acetaminophen, acetylsalicylic acid, α-blockers, angiotensin-converting enzyme (ACE) inhibitors, analgesics, anti-convulsants, beta-adrenergic blocking agents, diuretics, calcium channel blockers, cardiac nitrates, HMG-CoA reductase inhibitors, nonsteroidal anti-inflammatory drugs (NSAIDs), benzodiazepines, H 2 antagonists and quinolone anti-infectives… (Finasteride label, Drug interactions)

Flecainide acetate has been used in a large number of patients receiving diuretics without apparent interaction. (Flecainide label, Drug interactions)

Drug interactions may occur when anticholinergics are used with the following medications: antacids, antidiarrheals (adsorbent), other anticholinergics, antimyasthenics, cyclopropane, haloperidol, ketoconazole, metoclopramide, opioid (narcotic) analgesics, and potassium chloride. (Hyoscyamine label, Drug interactions)

Weigh patients regularly and manage unexpected rapid weight gain by drug interruption and diuretics. (Imatinib label, Warnings and precautions)

Postmarketing cases of edema and fluid retention occurring within weeks of starting OPSUMIT, some requiring intervention with a diuretic or hospitalization for decompensated heart failure, have been reported [see Adverse Reactions (6.2) ] . (Macitentan label, Warnings and precautions)

Long-term use of loop and thiazide diuretics increases magnesium loss in urine. (NIH Office of Dietary Supplements, Magnesium)

…for Drug Interactions It appears possible, although there is no supporting experimental evidence, that the high renal clearance of desglymidodrine (a base) is due to active tubular secretion by the base-secreting system also responsible for the secretion of such drugs as metformin, cimetidine, ranitidine, procainamide, triamterene, flecainide, and quinidine. (Midodrine label, Precautions)

The antihypertensive action of guanethidine and similar agents may be blocked. (Nortriptyline label, Warnings)

There is no information available from adequate drug-drug interaction studies with the following classes of drugs: oral contraceptives, hormone replacement therapies, hypoglycemics, phenytoins, thiazide diuretics, and calcium channel blockers. (Terbinafine label, Drug interactions)

Thiazide diuretics increase zinc loss in urine with long-term use. (NIH Office of Dietary Supplements, Zinc)

Commonly Administered Drugs: Population analysis showed that commonly administered drugs (e.g., selegiline, amantadine, tricyclic antidepressants, benzodiazepines, ibuprofen, thiazides, antihistamines, anticholinergics) did not affect the clearance of ropinirole. (Ropinirole label, Drug interactions)