Sulfasalazine interactions

Intervention: The concomitant use of ibuprofen with other NSAIDs or salicylates is not recommended. (Acetaminophen and ibuprofen label, Drug interactions)

CONTRAINDICATIONS Atenolol and chlorthalidone is contraindicated in patients with: sinus bradycardia; heart block greater than first degree; cardiogenic shock; overt cardiac failure (See WARNINGS ); anuria; hypersensitivity to this product or to sulfonamide-derived drugs. (Atenolol and chlorthalidone label, Contraindications)

Lotensin HCT is also contraindicated in patients who are hypersensitive to benazepril, to any other ACE inhibitor, to hydrochlorothiazide, or to other sulfonamide-derived drugs. (Benazepril and hydrochlorothiazide label, Contraindications)

CONTRAINDICATIONS Bisoprolol fumarate and hydrochlorothiazide tablets are contraindicated in patients in cardiogenic shock, overt cardiac failure (see WARNINGS ), second or third degree AV block, marked sinus bradycardia, anuria, and hypersensitivity to either component of this product or to other sulfonamide-derived drugs. (Bisoprolol and hydrochlorothiazide label, Contraindications)

CONTRAINDICATIONS Candesartan cilexetil and hydrochlorothiazide tablets are contraindicated in patients who are hypersensitive to candesartan, to hydrochlorothiazide or to other sulfonamide-derived drugs. (Candesartan and hydrochlorothiazide label, Contraindications)

• In patients who have demonstrated allergic-type reactions to sulfonamides [ see Warnings and Precautions (5.7) ]. (Celecoxib label, Contraindications)

Therefore, chloroprocaine should not be used in any condition in which a sulfonamide drug is being employed. (Chloroprocaine label, Precautions)

Hypersensitivity to this product or to other sulfonamide-derived drugs. (Chlorothiazide label, Contraindications)

THALITONE is contraindicated in patients with anuria or hypersensitivity to chlorthalidone or other sulfonamide-derived drugs. (Chlorthalidone label, Contraindications)

Cidofovir injection is contraindicated in patients with a history of clinically severe hypersensitivity to probenecid or other sulfa-containing medications. (Cidofovir label, Contraindications)

KEVEYIS is contraindicated in the following circumstances: Hypersensitivity to dichlorphenamide or other sulfonamides [see Warnings and Precautions (5.1) ] Concomitant use of KEVEYIS and high dose aspirin [see Warnings and Precautions (5.2) and Drug Interactions (7.1) ] Severe pulmonary disease, limiting compensation to metabolic acidosis caused by KEVEYIS [see… (Dichlorphenamide label, Contraindications)

Intervention: The concomitant use of diclofenac with other NSAIDs or salicylates is not recommended. (Diclofenac label, Drug interactions)

Intervention: The concomitant use of diclofenac sodium/misoprostol with other NSAIDs or salicylates is not recommended. (Diclofenac and misoprostol label, Drug interactions)

If a patient reports a serious or life-threatening sulfa allergy, caution is warranted when administering tamsulosin-containing products, including JALYN. (Dutasteride and tamsulosin label, Warnings and precautions)

Because of the hydrochlorothiazide component, this product is contraindicated in patients with anuria or hypersensitivity to other sulfonamide-derived drugs. (Enalapril and hydrochlorothiazide label, Contraindications)

Intervention: The concomitant use of fenoprofen with other NSAIDs or salicylates is not recommended. (Fenoprofen label, Drug interactions)

Intervention: The concomitant use of flurbiprofen with other NSAIDs or salicylates is not recommended. (Flurbiprofen label, Drug interactions)

Fosinopril sodium and hydrochlorothiazide is also contraindicated in patients who are hypersensitive to fosinopril, to any other ACE inhibitor, to hydrochlorothiazide, or other sulfonamide-derived drugs, or any other ingredient or component in the formulation. (Fosinopril and hydrochlorothiazide label, Contraindications)

• Sulfonamide derivatives: Patients who have developed an allergic reaction to sulfonamide derivatives may develop an allergic reaction to glimepiride tablets.Do not use glimepiride tablets in patients who have a history of an allergic reaction to sulfonamide derivatives. (Glimepiride label, Contraindications)

• Hypersensitivity to sulfonamide derivatives. ▪ Known hypersensitivity to glipizide or any of the product's ingredients ( 4 ). ▪ Hypersensitivity to sulfonamide derivatives ( 4 ). (Glipizide label, Contraindications)

In patients with hypersensitivity to sulfonamide-derived drugs. (Hydrochlorothiazide label, Contraindications)

The concomitant use of ibuprofen with other NSAIDs or salicylates is not recommended. (Hydrocodone and ibuprofen label, Drug interactions)

Intervention: The concomitant use of ibuprofen with other NSAIDs or salicylates is not recommended. (Ibuprofen label, Drug interactions)

Intervention: The concomitant use of ibuprofen and famotidine tablet with other NSAIDs or salicylates is not recommended. (Ibuprofen and famotidine label, Drug interactions)

Known hypersensitivity to indapamide or to other sulfonamide-derived drugs. (Indapamide label, Contraindications)

Intervention: The concomitant use of indomethacin with other NSAIDs or salicylates, especially diflunisal, is not recommended. (Indomethacin label, Drug interactions)

Because of the hydrochlorothiazide component, this product is contraindicated in patients with anuria or hypersensitivity to other sulfonamide-derived drugs. (Irbesartan and hydrochlorothiazide label, Contraindications)

Because of the hydrochlorothiazide component, this product is contraindicated in patients with anuria or hypersensitivity to other sulfonamide-derived drugs. (Lisinopril and hydrochlorothiazide label, Contraindications)

Patients receiving antibiotics and sulfonamides should generally not be treated with ganglion blockers. (Mecamylamine label, Contraindications)

Intervention: The concomitant use of mefenamic acid with other NSAIDs or salicylates is not recommended. (Mefenamic acid label, Drug interactions)

Intervention: The concomitant use of meloxicam with other NSAIDs or salicylates is not recommended. (Meloxicam label, Drug interactions)

Anuria Hypersensitivity to metoprolol tartrate or hydrochlorothiazide or to other sulfonamide- derived drugs. (Metoprolol and hydrochlorothiazide label, Contraindications)

Intervention: The concomitant use of naproxen with other NSAIDs or salicylates is not recommended. (Naproxen label, Drug interactions)

Intervention: The concomitant use of naproxen and esomeprazole magnesium delayed-release tablets with other NSAIDs or salicylates is not recommended. (Naproxen and esomeprazole label, Drug interactions)

Because of the hydrochlorothiazide component, olmesartan medoxomil, amlodipine and hydrochlorothiazide tablet is contraindicated in patients with anuria, hypersensitivity to any component, or hypersensitivity to other sulfonamide-derived drugs. (Olmesartan, amlodipine, and hydrochlorothiazide label, Contraindications)

Intervention: The concomitant use of oxaprozin with other NSAIDs or salicylates is not recommended. (Oxaprozin label, Drug interactions)

Contraindications: ANTICHOLIUM ® should not be used in the presence of hypersensitivity to physostigmine salicylate, bronchial asthma, ulcers associated with tissue destruction (gangrene), coronary heart disease, constipation (mechanical obstipation), mechanical ischuria (urinary retention), hereditary form of muscle atrophy (myotonic dystrophy), closed traumatic… (Physostigmine label, Contraindications)

Use in patients with known history of an allergic reaction to sulfonamide derivatives. (Pioglitazone and glimepiride label, Contraindications)

Intervention: The concomitant use of piroxicam with other NSAIDs or salicylates is not recommended. (Piroxicam label, Drug interactions)

In patients on probenecid the use of salicylates in either small or large doses is contraindicated because it antagonizes the uricosuric action of probenecid. (Probenecid label, Warnings)

In patients on probenecid and colchicine the use of salicylates in either small or large doses is contraindicated because it antagonizes the uricosuric action of probenecid. (Probenecid and colchicine label, Warnings)

Because of the hydrochlorothiazide components, this product is contraindicated in patients with anuria or hypersensitivity to other sulfonamide-derived drugs. (Quinapril and hydrochlorothiazide label, Contraindications)

Sepiapterin Reductase (SR) Inhibitors : Avoid concomitant use (e.g. sulfasalazine or sulfamethoxazole). (Sepiapterin label, Drug interactions)

Coadministration of VOSEVI with BCRP substrates (e.g., methotrexate, mitoxantrone, imatinib, irinotecan, lapatinib, rosuvastatin, sulfasalazine, topotecan) is not recommended [see Clinical Pharmacology (12.3) ]. (Sofosbuvir and velpatasvir label, Drug interactions)

CONTRAINDICATIONS Spironolactone and hydrochlorothiazide tablets are contraindicated in patients with anuria, acute renal insufficiency, significant impairment of renal excretory function, hypercalcemia, hyperkalemia, Addison's disease, and in patients who are allergic to thiazide diuretics or to other sulfonamide-derived drugs. (Spironolactone and hydrochlorothiazide label, Contraindications)

Intervention: The concomitant use of naproxen with other NSAIDs or salicylates is not recommended. (Sumatriptan and naproxen label, Drug interactions)

If a patient reports a serious or life-threatening sulfa allergy, caution is warranted when administering tamsulosin hydrochloride capsules. (Tamsulosin label, Warnings and precautions)

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

Because of the hydrochlorothiazide component, this product is contraindicated in patients with anuria or hypersensitivity to other sulfonamide-derived drugs. (Valsartan and hydrochlorothiazide label, Contraindications)

Particular caution should be exercised in using preparations containing sulfur, resorcinol, or salicylic acid in combination with Adapalene Cream, 0.1%. (Adapalene label, Drug interactions)

Use with caution in patients with a known hypersensitivity to sulfonamides ( 5.8 ) (Almotriptan label, Warnings and precautions)

…nitrofurantoin, para-aminosalicylic acid, sulfonamides Antimalarials chloroquine, primaquine Anticonvulsants phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine Monoamine Oxidase Inhibitors, Nonselective Beta-Adrenergic Antagonists, or Tricyclic Antidepressants: May produce severe, prolonged hypertension ( 7 ) (Articaine and epinephrine label, Drug interactions)

• Rare instances of acid-base alterations have occurred with high-dose salicylate therapy. (Brinzolamide label, Drug interactions)

Therefore, CYCLOSET may increase the unbound fraction of other concomitantly used highly protein-bound therapies (e.g., salicylates, sulfonamides, chloramphenicol and probenecid), which may alter their effectiveness and risk for side effects. (Bromocriptine label, Drug interactions)

…para-aminosalicylic acid, sulfonamides Antimalarials chloroquine, primaquine Anticonvulsants phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine 7.6 Potent Inhalation Anesthetics Serious dose-related cardiac arrhythmias may occur if preparations containing a vasoconstrictor such as epinephrine (e.g., MARCAINE WITH… (Bupivacaine and epinephrine label, Drug interactions)

NSAIDs Use with caution Non-steroidal anti-inflammatory drugs (but not acetyl salicylic acid) in combination of very high doses of quinolones have been shown to provoke convulsions in pre-clinical studies and in postmarketing. (Ciprofloxacin label, Drug interactions)

Use with caution in patients with a known sulfonamide allergy. (Darunavir label, Warnings and precautions)

Monitor in patients with a known sulfonamide allergy. (Darunavir and cobicistat label, Warnings and precautions)

COCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid, temazepam and lamotrigine. (Desogestrel and ethinyl estradiol label, Drug interactions)

The clearance of salicylates may be increased with concurrent use of corticosteroids. (Dexamethasone label, Drug interactions)

Drug Interactions: Reduced absorption of folic acid and digoxin have been reported when those agents were administered concomitantly with sulfasalazine. (Sulfasalazine label, Drug interactions)

High-Dose Salicylate Therapy Although acid-base and electrolyte disturbances were not reported in the clinical trials with dorzolamide hydrochloride ophthalmic solution, these disturbances have been reported with oral carbonic anhydrase inhibitors and have, in some instances, resulted in drug interactions (e.g., toxicity associated with high-dose salicylate therapy). (Dorzolamide label, Drug interactions)

High-Dose Salicylate Therapy Although acid-base and electrolyte disturbances were not reported in the clinical trials with dorzolamide hydrochloride ophthalmic solution, these disturbances have been reported with oral carbonic anhydrase inhibitors and have, in some instances, resulted in drug interactions (e.g., toxicity associated with high-dose salicylate therapy). (Dorzolamide and timolol label, Drug interactions)

…(e.g., atorvastatin, bosentan, ezetimibe, fluvastatin, glyburide, olmesartan, pitavastatin, pravastatin, rosuvastatin, repaglinide, rifampin, simvastatin acid, SN-38 [active metabolite of irinotecan], valsartan) or breast cancer resistance protein (BCRP) (e.g., imatinib, irinotecan, lapatinib, methotrexate, mitoxantrone, rosuvastatin, sulfasalazine, topotecan). (Eltrombopag label, Drug interactions)

Sulfasalazine Patients in a clinical study who were on established therapy with sulfasalazine, to which Enbrel was added, were noted to develop a mild decrease in mean neutrophil counts in comparison to groups treated with either Enbrel or sulfasalazine alone. (Etanercept label, Drug interactions)

CHCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid and temazepam. (Etonogestrel and ethinyl estradiol label, Drug interactions)

Rarely salicylate toxicity may occur in patients who discontinue steroids after concurrent high-dose aspirin therapy. (Fludrocortisone label, Drug interactions)

Drug Interactions: Reduced absorption of folic acid and digoxin have been reported when those agents were administered concomitantly with sulfasalazine. (Sulfasalazine label, Drug interactions)

Fosamprenavir calcium should be used with caution in patients with a known sulfonamide allergy. (Fosamprenavir label, Warnings and precautions)

…voriconazole Antineoplastic agents Capecitabine, fluorouracil Antidepressants Fluoxetine, fluvoxamine, sertraline Gastric acid reducing agents H 2 antagonists (cimetidine), omeprazole Sulfonamides Sulfamethizole, sulfaphenazole, sulfadiazine, sulfamethoxazole-trimethoprim Other Acute alcohol intake, amiodarone, chloramphenicol, chlordiazepoxide, disulfiram, estrogen,… (Fosphenytoin label, Drug interactions)

• Salicylates : Risk of salicylate toxicity ( 7.1 ) (Furosemide label, Drug interactions)

Glipizide: The hypoglycemic action of sulfonylureas may be potentiated by certain drugs, including nonsteroidal anti-inflammatory agents, some azoles, and other drugs that are highly protein bound, salicylates, sulfonamides, chloramphenicol, probenecid, coumarins, monoamine oxidase inhibitors, and beta-adrenergic blocking agents. (Glipizide and metformin label, Precautions)

…Interactions The hypoglycemic action of sulfonylureas may be potentiated by certain drugs including nonsteroidal anti-inflammatory agents, ACE inhibitors, disopyramide, fluoxetine, clarithromycin, and other drugs that are highly protein bound, salicylates, sulfonamides, chloramphenicol, probenecid, monoamine oxidase inhibitors, and beta adrenergic blocking agents. (Glyburide label, Drug interactions)

Serum salicylate concentrations may be decreased when griseofulvin is given concomitantly with salicylates. (Griseofulvin label, Drug interactions)

• Large doses of salicylates, cortisone, adrenocorticotropic hormone (ACTH), estrogens or antihistamines may require larger amounts of hyaluronidase for equivalent dispersing effect ( 7.4 ) (Hyaluronidase label, Drug interactions)

The clearance of salicylates may be increased with concurrent use of corticosteroids; this could lead to decreased salicylate serum levels or increase the risk of salicylate toxicity when corticosteroid is withdrawn. (Hydrocortisone label, Drug interactions)

Drugs That May Increase the Risk of Hypoglycemia Drugs: Antidiabetic agents, ACE inhibitors, angiotensin II receptor blocking agents, disopyramide, fibrates, fluoxetine, monoamine oxidase inhibitors, pentoxifylline, pramlintide, salicylates, somatostatin analog (e.g., octreotide), and sulfonamide antibiotics. (Insulin aspart label, Drug interactions)

…May Increase the Risk of Hypoglycemia Drugs: Antidiabetic agents, ACE inhibitors, angiotensin II receptor blocking agents, disopyramide, fibrates, fluoxetine, monoamine oxidase inhibitors, pentoxifylline, pramlintide, salicylates, somatostatin analogs (e.g., octreotide), and sulfonamide antibiotics, GLP-1 receptor agonists, DPP-4 inhibitors, SGLT-2 inhibitors. (Insulin degludec label, Drug interactions)

…May Increase the Risk of Hypoglycemia Drugs: Antidiabetic agents, ACE inhibitors, angiotensin II receptor blocking agents, disopyramide, fibrates, fluoxetine, monoamine oxidase inhibitors, pentoxifylline, pramlintide, salicylates, somatostatin analogs (e.g., octreotide), and sulfonamide antibiotics, GLP-1 receptor agonists, DPP-4 inhibitors, SGLT-2 inhibitors. (Insulin detemir label, Drug interactions)

…May Increase the Risk of Hypoglycemia Drugs: Antidiabetic agents, ACE inhibitors, angiotensin II receptor blocking agents, disopyramide, fibrates, fluoxetine, monoamine oxidase inhibitors, pentoxifylline, pramlintide, salicylates, somatostatin analogs (e.g., octreotide), sulfonamide antibiotics, GLP-1 receptor agonists, DPP-4 inhibitors, and SGLT-2 inhibitors. (Insulin glargine label, Drug interactions)

Clinically Significant Drug Interactions with LYUMJEV Drugs That May Increase the Risk of Hypoglycemia Drugs: Antidiabetic agents, ACE inhibitors, angiotensin II receptor blocking agents, disopyramide, fibrates, fluoxetine, monoamine oxidase inhibitors, pentoxifylline, pramlintide, salicylates, somatostatin analogs (e.g., octreotide), and sulfonamide antibiotics. (Insulin lispro label, Drug interactions)

…Receptor Blocking Agents, Disopyramide, Fibrates, Fluoxetine, Monoamine Oxidase Inhibitors, Pentoxifylline, Pramlintide, Salicylates, Somatostatin Analogs (e.g., octreotide), and Sulfonamide Antibiotics Prevention or Management Monitor blood glucose more frequently and modify AFREZZA dosage, as clinically indicated, when used concomitantly with these drugs. (Insulin regular (human) label, Drug interactions)

Warfarin, Digoxin, Salicylate, and Heparin The in vitro binding of warfarin to plasma proteins is only slightly reduced by ketorolac tromethamine (99.5% control vs 99.3%) when ketorolac plasma concentrations reach 5 to 10 mcg/mL. (Ketorolac label, Drug interactions)

Other Drugs Clinical effect Concomitant use of CHCs may decrease systemic exposure of acetaminophen, morphine, salicylic acid, and temazepam. (Levonorgestrel and ethinyl estradiol label, Drug interactions)

An initial increase in serum FT 4 is followed by return of FT 4 to normal levels with sustained therapeutic serum salicylate concentrations, although total T 4 levels may decrease by as much as 30%. (Levothyroxine label, Drug interactions)

…para-aminosalicylic acid, sulfonamides Antimalarials chloroquine, primaquine Anticonvulsants phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine 7.6 Potent Inhalation Anesthetics Serious dose-related cardiac arrhythmias may occur if preparations containing epinephrine are used in patients during or following the… (Lidocaine and epinephrine label, Drug interactions)

…prilocaine, procaine, ropivacaine, tetracaine Antineoplastic agents cyclophosphamide, flutamide, hydroxyurea, isofamide, rasburicase Antibiotics dapsone, nitrofurantoin, para-aminosalicylic acid, sufonamides Antimalarials chloroquine, primaquine Anticonvulsants Phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine (Lidocaine and prilocaine label, Drug interactions)

An initial increase in serum FT4 is followed by return of FT4 to normal levels with sustained therapeutic serum salicylate concentrations, although total T4 levels may decrease by as much as 30%. (Liothyronine label, Drug interactions)

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

…procaine, ropivacaine, tetracaine Antineoplastic agents cyclophosphamide, flutamide, hydroxyurea, ifosfamide, rasburicase Antibiotics dapsone, nitrofurantoin, para-aminosalicylic acid, sulfonamides Antimalarials chloroquine, primaquine Anticonvulsants phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine (Mepivacaine label, Drug interactions)

Aminosalicylates Aminosalicylates (e.g., mesalamine, olsalazine or sulfasalazine) may inhibit the TPMT enzyme, which may increase the risk of myelosuppression when coadministered with mercaptopurine tablets. (Mercaptopurine label, Drug interactions)

When daily doses of sulfasalazine 2 g and weekly doses of methotrexate 7.5 mg were coadministered to 15 rheumatoid arthritis patients in a drug-drug interaction study, the pharmacokinetic disposition of the drugs was not altered. (Sulfasalazine label, Drug interactions)

The clearance of salicylates may be increased with concurrent use of corticosteroids. (Methylprednisolone label, Drug interactions)

Salicylates And Other Non-Steroidal Anti-Inflammatory Drugs May decrease the antihypertensive effects of metolazone tablets, USP. (Metolazone label, Drug interactions)

…with Nateglinide Drugs That May Increase the Blood-Glucose-Lowering Effect of Nateglinide and Susceptibility to Hypoglycemia Drugs: Nonsteroidal anti-inflammatory drugs (NSAIDs), salicylates, monoamine oxidase inhibitors, non-selective beta-adrenergic-blocking agents, anabolic hormones (e.g., methandrostenolone), guanethidine, gymnema sylvestre, glucomannan,… (Nateglinide label, Drug interactions)

In patients given very high doses (3,900 mg) of aspirin daily, increases in serum salicylate levels were seen when nizatidine, 150 mg b.i.d., was administered concurrently. (Nizatidine label, Drug interactions)

CHCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid, and temazepam. (Norelgestromin and ethinyl estradiol label, Drug interactions)

COCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid, temazepam and lamotrigine. (Norgestimate and ethinyl estradiol label, Drug interactions)

COCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid, temazepam and lamotrigine. (Norgestrel and ethinyl estradiol label, Drug interactions)

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

…voriconazole Antineoplastic agents Capecitabine, fluorouracil Antidepressants Fluoxetine, fluvoxamine, sertraline Gastric acid reducing agents H 2 antagonists (cimetidine), omeprazole Sulfonamides Sulfamethizole, sulfaphenazole, sulfadiazine, sulfamethoxazole-trimethoprim Other Acute alcohol intake, amiodarone, chloramphenicol, chlordiazepoxide, disulfiram, estrogen,… (Phenytoin label, Drug interactions)

NSAIDS, including aspirin and salicylates: Concomitant use of aspirin or other non-steroidal anti-inflammatory agents and corticosteroids increases the risk of gastrointestinal side effects. (Prednisolone label, Drug interactions)

NSAIDs including aspirin and salicylates: Increased risk of gastrointestinal side effects. (Prednisone label, Drug interactions)

…para-aminosalicylic acid, sulfonamides Antimalarials chloroquine, primaquine Anticonvulsants phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine The administration of local anesthetic injections containing epinephrine or norepinephrine to patients receiving monoamine oxidase inhibitors, tricyclic antidepressants… (Prilocaine and epinephrine label, Drug interactions)

However, the concomitant use of other antifolic drugs or agents associated with myelosuppression including sulfonamides or trimethoprim- sulfamethoxazole combinations, proguanil, zidovudine, or cytostatic agents (e.g., methotrexate), while the patient is receiving pyrimethamine, may increase the risk of bone marrow suppression. (Pyrimethamine label, Drug interactions)

…para-aminosalicylic acid, sulfonamides Antimalarials chloroquine, primaquine Anticonvulsants Phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine NAROPIN should be used with caution in patients receiving other local anesthetics or agents structurally related to amide- type local anesthetics, since the toxic effects… (Ropivacaine label, Drug interactions)

ASPIRIN AND OTHER SALICYLATE DRUGS WILL BE ADDITIVE TO SALSALATE AND MAY INCREASE PLASMA CONCENTRATIONS OF SALICYLIC ACID TO TOXIC LEVELS. (Salsalate label, Drug interactions)

Hyperventilation and Metabolic Acidosis: Sodium Phenylacetate and Sodium Benzoate Injection may cause side effects typically associated with salicylate overdose, such as hyperventilation and metabolic acidosis. (Sodium phenylacetate and sodium benzoate label, Warnings and precautions)

Conversely, agents such as indomethacin, probenecid and salicylates may displace sulfonamides from plasma albumin and increase the concentrations of free drug in plasma. (Sulfadiazine label, Drug interactions)

Like other sulfonamide-containing drugs, sulfamethoxazole and trimethoprim potentiates the effect of oral hypoglycemics. (Sulfamethoxazole and trimethoprim label, Drug interactions)

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

Nonsteroidal Anti-Inflammatory Drugs Because torsemide and salicylates compete for secretion by renal tubules, patients receiving high doses of salicylates may experience salicylate toxicity when torsemide is concomitantly administered. (Torsemide label, Drug interactions)

The clearance of salicylates may be increased with concurrent use of corticosteroids. (Triamcinolone label, Drug interactions)

Coadministration of aspirin 150 mg/day with multiple daily doses of TRINTELLIX had no significant inhibitory effect on platelet aggregation or pharmacokinetics of aspirin and salicylic acid [see Clinical Pharmacology (12.3) ] . (Vortioxetine label, Drug interactions)

Other Antibacterials Chloramphenicol, macrolides, sulfonamides, and tetracyclines may interfere with the bactericidal effects of penicillin. (Amoxicillin label, Drug interactions)

Bacteriostatic Antibiotics : Chloramphenicol, erythromycins, sulfonamides, or tetracyclines may interfere with the bactericidal effect of penicillins. (Ampicillin label, Drug interactions)

Although the exact frequency of occurrence has not been determined, it has occurred in 3% of patients in controlled clinical trials of mesalamine or sulfasalazine. (Balsalazide label, Warnings and precautions)

Allergy to Sulfonamides Patients allergic to sulfonamides may show hypersensitivity to bumetanide. (Bumetanide label, Warnings)

These agents include medications such as: anticoagulants, platelet inhibitors including acetylsalicylic acid, salicylates, NSAIDs (including ketorolac tromethamine), dipyridamole, or sulfinpyrazone. (Enoxaparin label, Drug interactions)

In vitro studies have shown no binding displacement between entacapone and other highly bound drugs, such as warfarin, salicylic acid, phenylbutazone, and diazepam. (Entacapone label, Precautions)

Examples: Nonsteroidal anti-inflammatory agents and other highly protein-boind drugs, salicylcates, sulfonamides, chloramphenicol, probenecid, coumarins, monoamine oxidase inhibitors, beta-adrenergic blocking agents; potentially with ciprofloxacin, micronazole. (Glyburide and metformin label, Drug interactions)

Although the exact frequency of occurrence has not been determined, it has occurred in 3% of patients in controlled clinical trials of mesalamine or sulfasalazine. (Mesalamine label, Warnings and precautions)

Lack of Effectiveness Methemoglobinemia may not resolve or may rebound after response to treatment with PROVAYBLUE in patients with methemoglobinemia due to aryl amines such as aniline or sulfa drugs such as dapsone. (Methylene blue label, Warnings and precautions)

Drug Interactions Bacteriostatic antibacterials ( i.e. , chloramphenicol, erythromycins, sulfonamides or tetracyclines) may antagonize the bactericidal effect of penicillin, and concurrent use of these drugs should be avoided. (Penicillin G label, Drug interactions)

Examples: Antidiabetic agents, ACE inhibitors, angiotensin II receptor blocking agents, disopyramide, fibrates, fluoxetine, monoamine oxidase inhibitors, nonsteroidal anti-inflammatory agents (NSAIDs), pentoxifylline, pramlintide, propoxyphene, salicylates, somatostatin analogs (e.g., octreotide), and sulfonamide antibiotics. (Repaglinide label, Drug interactions)

Hepatotoxic Drugs Clinical trials in ALS patients excluded patients on concomitant medications which were potentially hepatotoxic (e.g., allopurinol, methyldopa, sulfasalazine). (Riluzole label, Drug interactions)

There is a potential cross-sensitivity between silver sulfadiazine and other sulfonamides. (Silver sulfadiazine label, Warnings and precautions)

Drug-drug interaction studies in healthy subjects have been conducted with zileuton immediate-release tablets and digoxin, phenytoin, sulfasalazine, and naproxen. (Zileuton label, Drug interactions)