Tirzepatide interactions

Tirzepatide (Mounjaro, Zepbound), a GLP-1 receptor agonist has 184 documented interactions across the FDA labels and fact sheets we index: 17 major, 143 moderate, 21 minor, and 3 where a label reports no significant interaction. Each entry below quotes the sentence behind it. This drug page is a starting point, not a verdict for your situation.

Interactions from the label

Major interactions (17)

  • ChloroquineantimalarialMajor

    Hypoglycemia Chloroquine has been shown to cause severe hypoglycemia including loss of consciousness that could be life-threatening in patients treated with or without antidiabetic medications (see PRECAUTIONS , Drug Interactions ). (Chloroquine label, Warnings)

  • CiprofloxacinfluoroquinoloneMajor

    Antidiabetic agents Hypoglycemia including fatal outcomes have been reported. (Ciprofloxacin label, Drug interactions)

  • Dapagliflozin and metforminSGLT2 inhibitorMajor

    Diabetic ketoacidosis should be treated with insulin [see Warnings and Precautions (5.1) and Warnings and Precautions (5.2) ] . (Dapagliflozin and metformin label, Contraindications)

  • Fluconazoleazole antifungalMajor

    Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)

  • Glipizide and metforminsulfonylureaMajor

    Diabetic ketoacidosis should be treated with insulin. (Glipizide and metformin label, Contraindications)

  • GlyburidesulfonylureaMajor

    These conditions should be treated with insulin. (Glyburide label, Contraindications)

  • HydroxychloroquineQT-prolonging drugMajor

    Hypoglycemia PLAQUENIL can cause severe and potentially life-threatening hypoglycemia, in the presence or absence of antidiabetic agents [see Drug Interactions (7) ]. (Hydroxychloroquine label, Warnings and precautions)

  • Insulin detemirinsulinMajor

    To avoid medication errors between LEVEMIR and other insulins, instruct patients to always check the insulin label before each injection. (Insulin detemir label, Warnings and precautions)

  • Insulin lisproinsulinMajor

    To avoid medication errors between LYUMJEV and other insulins, instruct patients to always check the insulin label before each injection. (Insulin lispro label, Warnings and precautions)

  • Levothyroxinethyroid hormoneMajor

    WARNING: RISK OF THYROID C-CELL TUMORS In rats, tirzepatide causes dose-dependent and treatment-duration-dependent thyroid C-cell tumors at clinically relevant exposures. (Tirzepatide label, Boxed warning)

  • Levothyroxine and liothyroninethyroid hormoneMajor

    WARNING: RISK OF THYROID C-CELL TUMORS In rats, tirzepatide causes dose-dependent and treatment-duration-dependent thyroid C-cell tumors at clinically relevant exposures. (Tirzepatide label, Boxed warning)

  • Liothyroninethyroid hormoneMajor

    WARNING: RISK OF THYROID C-CELL TUMORS In rats, tirzepatide causes dose-dependent and treatment-duration-dependent thyroid C-cell tumors at clinically relevant exposures. (Tirzepatide label, Boxed warning)

  • Methimazoleantithyroid drugMajor

    WARNING: RISK OF THYROID C-CELL TUMORS In rats, tirzepatide causes dose-dependent and treatment-duration-dependent thyroid C-cell tumors at clinically relevant exposures. (Tirzepatide label, Boxed warning)

  • Propylthiouracilantithyroid drugMajor

    WARNING: RISK OF THYROID C-CELL TUMORS In rats, tirzepatide causes dose-dependent and treatment-duration-dependent thyroid C-cell tumors at clinically relevant exposures. (Tirzepatide label, Boxed warning)

  • Risk factors include high dose or overdose, rapid administration (see WARNINGS and DOSAGE AND ADMINISTRATION ), repeated doses, previous administration of protamine, and current or previous use of protamine-containing drugs (NPH insulin, protamine zinc insulin, and certain beta-blockers). (Protamine label, Boxed warning)

  • Saxagliptin and metforminDPP-4 inhibitorMajor

    Diabetic ketoacidosis should be treated with insulin. (Saxagliptin and metformin label, Contraindications)

  • Teriparatidethyroid hormoneMajor

    WARNING: RISK OF THYROID C-CELL TUMORS In rats, tirzepatide causes dose-dependent and treatment-duration-dependent thyroid C-cell tumors at clinically relevant exposures. (Tirzepatide label, Boxed warning)

Moderate interactions (143)

  • AbirateroneCYP2D6 inhibitorModerate

    Monitor blood glucose in patients with diabetes and assess if antidiabetic agent dose modifications are required. (Abiraterone label, Warnings and precautions)

  • AcarboseantidiabeticModerate

    When such drugs are withdrawn from patients receiving acarbose tablets in combination with sulfonylureas or insulin, patients should be observed closely for any evidence of hypoglycemia. (Acarbose label, Drug interactions)

  • Acebutololbeta blockerModerate

    Diabetes and Hypoglycemia β-blockers may potentiate insulin-induced hypoglycemia and mask some of its manifestations such as tachycardia; however, dizziness and sweating are usually not significantly affected. (Acebutolol label, Warnings)

  • Acetazolamidecarbonic anhydrase inhibitorModerate

    Consideration should be taken in patients being treated with antidiabetic agents. (Acetazolamide label, Drug interactions)

  • AcitretinretinoidModerate

    Glyburide: In a trial of 7 healthy male volunteers, acitretin treatment potentiated the blood glucose-lowering effect of glyburide (a sulfonylurea similar to chlorpropamide) in 3 of the 7 subjects. (Acitretin label, Drug interactions)

  • AlcoholAlcoholModerate

    Alcohol can cause low blood sugar with insulin or sulfonylureas, and heavy drinking with metformin raises the risk of lactic acidosis. (NIAAA, Harmful Interactions: Mixing Alcohol with Medicines)

  • AlogliptinDPP-4 inhibitorModerate

    Hypoglycemia: Consider lowering the dosage of insulin secretagogue or insulin to reduce the risk of hypoglycemia when initiating Alogliptin tablets. (Alogliptin label, Warnings and precautions)

  • Alogliptin and metforminDPP-4 inhibitorModerate

    Hypoglycemia: Consider lowering the dosage of insulin secretagogue or insulin to reduce the risk of hypoglycemia when initiating Alogliptin and metformin HCl tablets. (Alogliptin and metformin label, Warnings and precautions)

  • Amlodipine and benazeprildihydropyridine calcium channel blockerModerate

    Antidiabetic Agents: In rare cases, diabetic patients receiving an ACE inhibitor (including benazepril) concomitantly with insulin or oral antidiabetics may develop hypoglycemia. (Amlodipine and benazepril label, Drug interactions)

  • Aspirin and dipyridamoleantiplatelet agentModerate

    Oral Hypoglycemics Moderate doses of aspirin may increase the effectiveness of oral hypoglycemic drugs, leading to hypoglycemia. (Aspirin and dipyridamole label, Drug interactions)

  • AtazanavirantiretroviralModerate

    Some patients required either initiation or dose adjustments of insulin or oral hypoglycemic agents for treatment of these events. (Atazanavir label, Warnings and precautions)

  • Atenolol and chlorthalidonebeta blockerModerate

    At recommended doses atenolol does not potentiate insulin-induced hypoglycemia and, unlike nonselective beta- blockers, does not delay recovery of blood glucose to normal levels. (Atenolol and chlorthalidone label, Warnings)

  • BenazeprilACE inhibitorModerate

    Antidiabetics: Increased risk of hypoglycemia ( 7.2 ) (Benazepril label, Drug interactions)

  • Antidiabetic agents: Dosage adjustment of antidiabetic drug may be required. (Benazepril and hydrochlorothiazide label, Drug interactions)

  • Betaxololbeta blockerModerate

    Unlike nonselective beta-blockers, betaxolol does not prolong insulin-induced hypoglycemia. (Betaxolol label, Warnings)

  • BexagliflozinSGLT2 inhibitorModerate

    Hypoglycemia: Consider a lower dose of insulin or insulin secretagogue to reduce risk of hypoglycemia when used in combination with bexagliflozin tablets. (Bexagliflozin label, Warnings and precautions)

  • BexaroteneretinoidModerate

    Hypoglycemia Risk in Patients with Diabetes Mellitus In patients using insulin, agents enhancing insulin secretion (e.g., sulfonylureas), or insulin sensitizers (e.g., thiazolidinedione class), based on the mechanism of action, TARGRETIN could enhance the action of these agents, resulting in hypoglycemia. (Bexarotene label, Warnings and precautions)

  • Bisoprololbeta blockerModerate

    Nonselective beta-blockers may potentiate insulin-induced hypoglycemia and delay recovery of serum glucose levels. (Bisoprolol label, Warnings)

  • Also, latent diabetes mellitus may become manifest and diabetic patients given thiazides may require adjustment of their insulin dose. (Bisoprolol and hydrochlorothiazide label, Warnings)

  • Brimonidine and timololalpha-adrenergic agonistModerate

    Masking of Hypoglycemic Symptoms in Patients with Diabetes Mellitus Beta-adrenergic blocking agents should be administered with caution in patients subject to spontaneous hypoglycemia or to diabetic patients (especially those with labile diabetes) who are receiving insulin or oral hypoglycemic agents. (Brimonidine and timolol label, Warnings and precautions)

  • Oral antidiabetic agents and insulin, causing hypoglycemia by contributing an additive effect, if dosage of Butalbital, Aspirin, and Caffeine Capsules exceeds maximum recommended daily dosage. (Butalbital, aspirin, and caffeine label, Drug interactions)

  • Evaluate the blood pressure and renal function of patients Examples: Metoprolol, propranolol Hypoglycemic Agents Clinical Impact: Aspirin may increase the serum glucose-lowering action of insulin and sulfonylureas leading to hypoglycemia. (Butalbital, aspirin, caffeine, and codeine label, Drug interactions)

  • CanagliflozinSGLT2 inhibitorModerate

    • Hypoglycemia with Concomitant Use with Insulin or Insulin Secretagogues : Consider a lower dose of insulin or the insulin secretagogue to reduce the risk of hypoglycemia when used in combination with INVOKANA ( 5.5 ). (Canagliflozin label, Warnings and precautions)

  • Candesartan and hydrochlorothiazideangiotensin II receptor blocker (ARB)Moderate

    Antidiabetic drugs (oral agents and insulin) − Dosage adjustment of the antidiabetic drug may be required. (Candesartan and hydrochlorothiazide label, Drug interactions)

  • CapecitabineantimetaboliteModerate

    Closely monitor for adverse reactions of CYP2C9 substrates where minimal concentration changes may lead to serious adverse reactions when used concomitantly with XELODA (e.g., anticoagulants, antidiabetic drugs). (Capecitabine label, Drug interactions)

  • CariprazineantipsychoticModerate

    During the 8-week trial, serum insulin levels increased by 12 pmol/L in the VRAYLAR 1 mg to 2 mg per day group, 20 pmol/L in the VRAYLAR 2 mg to 4.5 mg per day group, and 8.5 pmol/L in the placebo group. (Cariprazine label, Warnings and precautions)

  • Carvedilolbeta blockerModerate

    Insulin and oral hypoglycemics action may be enhanced. (Carvedilol label, Drug interactions)

  • Chlorothiazidethiazide diureticModerate

    Antidiabetic Drugs (Oral Agents and Insulin) - dosage adjustment of the antidiabetic drug may be required. (Chlorothiazide label, Drug interactions)

  • Clarithromycinmacrolide antibioticModerate

    Oral Hypoglycemic Agents/Insulin: The concomitant use of clarithromycin tablets and oral hypoglycemic agents and/or insulin can result in significant hypoglycemia. (Clarithromycin label, Warnings and precautions)

  • Colesevelambile acid sequestrantModerate

    …placebo) and when colesevelam hydrochloride was used in combination with pioglitazone (median increase 11% compared to placebo in combination with pioglitazone), sulfonylureas (median increase 18% compared to placebo in combination with sulfonylureas), and insulin (median increase 22% compared to placebo in combination with insulin) [see Adverse Reactions (6.1) ]. (Colesevelam label, Warnings and precautions)

  • Conjugated estrogensestrogenModerate

    Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • DanazolandrogenModerate

    Caution should be exercised when used with antidiabetic drugs. (Danazol label, Drug interactions)

  • DapagliflozinSGLT2 inhibitorModerate

    • Hypoglycemia: Consider a lower dose of insulin or the insulin secretagogue to reduce the risk of hypoglycemia when used in combination with DAPAGLIFLOZIN TABLETS. (Dapagliflozin label, Warnings and precautions)

  • DarunavirantiretroviralModerate

    Initiation or dose adjustments of insulin or oral hypoglycemic agents may be required. (Darunavir label, Warnings and precautions)

  • Darunavir and cobicistatantiretroviralModerate

    Some patients required either initiation or dose adjustments of insulin or oral hypoglycemic agents for treatment of these events. (Darunavir and cobicistat label, Warnings and precautions)

  • Desogestrel and ethinyl estradioloral contraceptiveModerate

    Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • DexamethasonecorticosteroidModerate

    Hyperglycemia Corticosteroids can increase blood glucose, worsen pre-existing diabetes, and predispose those on long-term therapy to diabetes mellitus, and may reduce the effect of the antidiabetic drugs. (Dexamethasone label, Warnings and precautions)

  • Dorzolamide and timololcarbonic anhydrase inhibitorModerate

    Masking of Hypoglycemic Symptoms in Patients with Diabetes Mellitus Beta-adrenergic blocking agents should be administered with caution in patients subject to spontaneous hypoglycemia or to diabetic patients (especially those with labile diabetes) who are receiving insulin or oral hypoglycemic agents. (Dorzolamide and timolol label, Warnings and precautions)

  • Drospirenone and ethinyl estradioloral contraceptiveModerate

    Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • DulaglutideGLP-1 receptor agonistModerate

    Hypoglycemia: Concomitant use with an insulin secretagogue or insulin may increase the risk of hypoglycemia, including severe hypoglycemia. (Dulaglutide label, Warnings and precautions)

  • The effects of increases in the concentration of the progestational component norgestimate are not fully known and can include increased risk of insulin resistance, dyslipidemia, acne, and venous thrombosis. (Elvitegravir, cobicistat, emtricitabine, and tenofovir label, Drug interactions)

  • EmpagliflozinSGLT2 inhibitorModerate

    Hypoglycemia: Adult patients taking an insulin secretagogue or insulin may have an increased risk of hypoglycemia. (Empagliflozin label, Warnings and precautions)

  • Empagliflozin and metforminSGLT2 inhibitorModerate

    Hypoglycemia: Adult patients taking an insulin secretagogue or insulin may have an increased risk of hypoglycemia. (Empagliflozin and metformin label, Warnings and precautions)

  • Anti-diabetic drugs (oral agents and insulin) Dosage adjustment of the anti-diabetic drug may be required. (Enalapril and hydrochlorothiazide label, Drug interactions)

  • Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • EstradiolestrogenModerate

    Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • Estradiol and dienogestoral contraceptiveModerate

    Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • ExenatideGLP-1 receptor agonistModerate

    • Hypoglycemia with Concomitant Use of Insulin Secretagogues or Insulin: Patients taking an insulin secretagogue or insulin may have an increased risk of hypoglycemia, including severe hypoglycemia. (Exenatide label, Warnings and precautions)

  • FludrocortisonecorticosteroidModerate

    Monitor for symptoms of hyperglycemia; adjust dosage of antidiabetic drug upward if necessary. (Fludrocortisone label, Drug interactions)

  • FluoxetineSSRIModerate

    As is true with many other types of medication when taken concurrently by patients with diabetes, insulin and/or oral hypoglycemic, dosage may need to be adjusted when therapy with PROZAC is instituted or discontinued. (Fluoxetine label, Warnings and precautions)

  • FosamprenavirantiretroviralModerate

    Some patients required either initiation or dose adjustments of insulin or oral hypoglycemic agents for treatment of these events. (Fosamprenavir label, Warnings and precautions)

  • Insulin requirements in diabetic patients may be increased, decreased, or unchanged. (Fosinopril and hydrochlorothiazide label, Drug interactions)

  • FulvestrantestrogenModerate

    Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • GlimepiridesulfonylureaModerate

    Hypoglycemia: Concomitant use with insulin or an insulin secretagogue may increase the risk of hypoglycemia, including severe hypoglycemia. (Tirzepatide label, Warnings and precautions)

  • GlipizidesulfonylureaModerate

    Hypoglycemia: Concomitant use with insulin or an insulin secretagogue may increase the risk of hypoglycemia, including severe hypoglycemia. (Tirzepatide label, Warnings and precautions)

  • GlucagonModerate

    Hypoglycemia in Patients with Insulinoma: In patients with insulinoma, administration may produce an initial increase in blood glucose; however, glucagon may stimulate exaggerated insulin release from an insulinoma and cause hypoglycemia. (Glucagon label, Warnings and precautions)

  • Glyburide and metforminsulfonylureaModerate

    Hypoglycemia: Concomitant use with insulin or an insulin secretagogue may increase the risk of hypoglycemia, including severe hypoglycemia. (Tirzepatide label, Warnings and precautions)

  • Hydrochlorothiazidethiazide diureticModerate

    Antidiabetic drugs: Dosage adjustment of antidiabetic may be required (7.2) (Hydrochlorothiazide label, Drug interactions)

  • HydrocortisonecorticosteroidModerate

    Antidiabetic Agents Clinical Impact: Corticosteroids in supraphysiologic doses may increase blood glucose concentrations. (Hydrocortisone label, Drug interactions)

  • HydroxyureaantimetaboliteModerate

    Hydroxyurea may falsely elevate sensor glucose results from certain continuous glucose monitoring (CGM) systems and may lead to hypoglycemia if sensor glucose results are relied upon to dose insulin. (Hydroxyurea label, Warnings and precautions)

  • Insulin aspartinsulinModerate

    Increase frequency of glucose monitoring with changes to: insulin dosage, concomitantly administered glucose lowering medications, meal pattern, physical activity; and in patients with renal or hepatic impairments and hypoglycemia unawareness ( 5. (Insulin aspart label, Warnings and precautions)

  • Insulin degludecinsulinModerate

    The risk of hypoglycemia after an injection is related to the duration of action of the insulin [see Clinical Pharmacology ( 12.2 )] and, in general, is highest when the glucose lowering effect of the insulin is maximal. (Insulin degludec label, Warnings and precautions)

  • Insulin glargineinsulinModerate

    For patients with type 2 diabetes, dosage adjustments of concomitant oral and antidiabetic products may be needed. (Insulin glargine label, Warnings and precautions)

  • For patients with type 2 diabetes mellitus, oral antidiabetic treatment dosage modifications may be needed. (Insulin regular (human) label, Warnings and precautions)

  • Irbesartan and hydrochlorothiazideangiotensin II receptor blocker (ARB)Moderate

    Antidiabetic drugs: Dosage adjustment of antidiabetic may be required. (Irbesartan and hydrochlorothiazide label, Drug interactions)

  • Itraconazoleazole antifungalModerate

    Antidiabetic Drugs Repaglinide Saxagliptin Monitor for adverse reactions. (Itraconazole label, Drug interactions)

  • Ketoconazoleazole antifungalModerate

    Antidiabetics repaglinide, saxagliptin Antihelmintics and Antiprotozoals praziquantel Antimigraine Drugs ergot alkaloids, such as dihydroergotamine, ergometrine (ergonovine), ergotamine, methylergometrine (methylergonovine) eletriptan Ergot alkaloids: The potential increase in plasma concentrations of ergot alkaloids when coadministered with ketoconazole tablets… (Ketoconazole label, Drug interactions)

  • LanreotideModerate

    Hyperglycemia and Hypoglycemia : Glucose monitoring is recommended and antidiabetic treatment adjusted accordingly. (Lanreotide label, Warnings and precautions)

  • LevofloxacinfluoroquinoloneModerate

    Blood Glucose Disturbances Fluoroquinolones, including Levofloxacin in 5% Dextrose Injection, have been associated with disturbances of blood glucose, including symptomatic hyperglycemia and hypoglycemia, usually in diabetic patients receiving concomitant treatment with an oral hypoglycemic agent (e.g., glyburide) or with insulin. (Levofloxacin label, Warnings and precautions)

  • LevonorgestrelprogestinModerate

    Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • Levonorgestrel and ethinyl estradioloral contraceptiveModerate

    Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • LinagliptinDPP-4 inhibitorModerate

    Hypoglycemia: Consider lowering the dosage of insulin secretagogue or insulin to reduce the risk of hypoglycemia when initiating TRADJENTA ( 5.2 ) (Linagliptin label, Warnings and precautions)

  • Linagliptin and metforminDPP-4 inhibitorModerate

    Hypoglycemia: Consider lowering the dosage of insulin secretagogue or insulin to reduce the risk of hypoglycemia when initiating JENTADUETO XR. (Linagliptin and metformin label, Warnings and precautions)

  • LinezolidantibioticModerate

    • Hypoglycemia: Postmarketing cases of symptomatic hypoglycemia have been reported in patients with diabetes mellitus receiving insulin or oral hypoglycemic agents. (Linezolid label, Warnings and precautions)

  • LiraglutideGLP-1 receptor agonistModerate

    • Hypoglycemia : Adult patients taking an insulin secretagogue or insulin may have an increased risk of hypoglycemia, including severe hypoglycemia. (Liraglutide label, Warnings and precautions)

  • LisinoprilACE inhibitorModerate

    Antidiabetics Concomitant administration of Zestril and antidiabetic medicines (insulins, oral hypoglycemic agents) may cause an increased blood-glucose-lowering effect with risk of hypoglycemia. (Lisinopril label, Drug interactions)

  • Antidiabetic drugs (oral agents and insulin) - dosage adjustment of the antidiabetic drug may be required. (Lisinopril and hydrochlorothiazide label, Drug interactions)

  • Lopinavir and ritonavirantiretroviralModerate

    Some patients required either initiation or dose adjustments of insulin or oral hypoglycemic agents for treatment of these events. (Lopinavir and ritonavir label, Warnings and precautions)

  • Losartan and hydrochlorothiazideangiotensin II receptor blocker (ARB)Moderate

    Antidiabetic drugs: dosage adjustment of antidiabetic may be required. (Losartan and hydrochlorothiazide label, Drug interactions)

  • MedroxyprogesteroneprogestinModerate

    Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • MegestrolprogestinModerate

    Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • MetforminbiguanideModerate

    Hypoglycemia with Concomitant Use with Insulin and Insulin Secretagogues : Increased risk of hypoglycemia when used in combination with insulin and/or an insulin secretagogue. (Metformin label, Warnings and precautions)

  • MethylprednisolonecorticosteroidModerate

    Antidiabetics : Because corticosteroids may increase blood glucose concentrations, dosage adjustments of antidiabetic agents may be required. (Methylprednisolone label, Drug interactions)

  • MethyltestosteroneandrogenModerate

    Insulin: In diabetic patients the metabolic effects of androgens may decrease blood glucose and insulin requirements. (Methyltestosterone label, Drug interactions)

  • Metoclopramidedopamine antagonistModerate

    Insulin Clinical Impact Increased GI motility by metoclopramide may increase delivery of food to the intestines and increase blood glucose. (Metoclopramide label, Drug interactions)

  • Metolazonethiazide diureticModerate

    Insulin And Oral Antidiabetic Agents See Glucose Tolerance under PRECAUTIONS , General . (Metolazone label, Drug interactions)

  • Antidiabetic drugs: Dosage adjustment may be required. (Metoprolol and hydrochlorothiazide label, Drug interactions)

  • MifepristoneCYP3A4 inhibitorModerate

    Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • MoxifloxacinfluoroquinoloneModerate

    Antidiabetic agents Carefully monitor blood glucose. (Moxifloxacin label, Drug interactions)

  • Nadololbeta blockerModerate

    Beta-blockade also reduces the release of insulin in response to hyperglycemia; therefore, it may be necessary to adjust the dose of antidiabetic drugs. (Nadolol label, Warnings)

  • Naltrexone and bupropionopioid antagonistModerate

    Use of Antidiabetic Medications: Weight loss may cause hypoglycemia. (Naltrexone and bupropion label, Warnings and precautions)

  • NateglinidemeglitinideModerate

    Hypoglycemia: Concomitant use with insulin or an insulin secretagogue may increase the risk of hypoglycemia, including severe hypoglycemia. (Tirzepatide label, Warnings and precautions)

  • Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • NorethindroneprogestinModerate

    Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • Norethindrone and ethinyl estradioloral contraceptiveModerate

    Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • Norgestimate and ethinyl estradioloral contraceptiveModerate

    Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • Norgestrel and ethinyl estradioloral contraceptiveModerate

    Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • OctreotideModerate

    Hypoglycemia or Hyperglycemia: Monitor glucose and adjust antidiabetic treatment as needed (‎ 5.2 ). (Octreotide label, Warnings and precautions)

  • OfloxacinfluoroquinoloneModerate

    Fluoroquinolones have been associated with disturbances of blood glucose, including symptomatic hyperglycemia and hypoglycemia, usually in diabetic patients receiving concomitant treatment with an oral hypoglycemic agent (e.g., glyburide) or with insulin. (Ofloxacin label, Warnings)

  • Olmesartan and hydrochlorothiazideangiotensin II receptor blocker (ARB)Moderate

    • Antidiabetic drugs: Dosage adjustment may be required. (Olmesartan and hydrochlorothiazide label, Drug interactions)

  • Olmesartan, amlodipine, and hydrochlorothiazideangiotensin II receptor blocker (ARB)Moderate

    • Increased amlodipine exposure when coadministered with CYP3A inhibitors Hydrochlorothiazide ( 7.3 ): • Antidiabetic drugs: Dosage adjustment of antidiabetic may be required. (Olmesartan, amlodipine, and hydrochlorothiazide label, Drug interactions)

  • OrlistatModerate

    A reduction in dose of oral hypoglycemic medication (e.g., sulfonylureas) or insulin may be required in some patients [see Clinical Studies (14) ] . (Orlistat label, Warnings and precautions)

  • PhentermineCNS stimulantModerate

    • A reduction in dose of insulin or oral hypoglycemic medication may be required in some patients. (Phentermine label, Warnings and precautions)

  • Pindololbeta blockerModerate

    Beta-blockade also reduces the release of insulin in response to hyperglycemia; therefore, it may be necessary to adjust the dose of antidiabetic drugs. (Pindolol label, Warnings)

  • PioglitazonethiazolidinedioneModerate

    Combination use with insulin and use in congestive heart failure NYHA Class I and II may increase risk. (Pioglitazone label, Warnings and precautions)

  • Pioglitazone and glimepiridethiazolidinedioneModerate

    Hypoglycemia: Concomitant use with insulin or an insulin secretagogue may increase the risk of hypoglycemia, including severe hypoglycemia. (Tirzepatide label, Warnings and precautions)

  • Pioglitazone and metforminthiazolidinedioneModerate

    Combination use with insulin and use in congestive heart failure NYHA Class I and II may increase risk. (Pioglitazone and metformin label, Warnings and precautions)

  • PrednisolonecorticosteroidModerate

    Antidiabetic Agents: Because corticosteroids may increase blood glucose concentrations, dosage adjustments of antidiabetic agents may be required. (Prednisolone label, Drug interactions)

  • PrednisonecorticosteroidModerate

    Antidiabetic agents: May increase blood glucose concentrations. (Prednisone label, Drug interactions)

  • PregabalinanticonvulsantModerate

    Monitor patients for the development of edema when co-administering LYRICA CR and thiazolidinedione antidiabetic agents. (Pregabalin label, Warnings and precautions)

  • ProgesteroneprogestinModerate

    Advise patients using oral hormonal contraceptives to switch to a non-oral contraceptive method, or add a barrier method of contraception for 4 weeks after initiation with ZEPBOUND and for 4 weeks after each dose escalation. (Tirzepatide label, Drug interactions)

  • QuinineantimalarialModerate

    Hypoglycemia Quinine stimulates release of insulin from the pancreas, and patients, especially pregnant women, may experience clinically significant hypoglycemia. (Quinine label, Warnings and precautions)

  • RepaglinidemeglitinideModerate

    Hypoglycemia: Concomitant use with insulin or an insulin secretagogue may increase the risk of hypoglycemia, including severe hypoglycemia. (Tirzepatide label, Warnings and precautions)

  • RifampinantibioticModerate

    Decrease exposure Digitoxin Decrease exposure Fluoroquinolones Pefloxacin Administered with rifampin 900 mg daily Decrease exposure Moxifloxacin , Decrease exposure Oral Hypoglycemic Agents (e.g., sulfonylureas) Glyburide Decrease exposure Rifampin may worsen glucose control of glyburide. (Rifampin label, Drug interactions)

  • RifapentineantibioticModerate

    …Diazepam Beta-Blockers Propranolol Calcium Channel Blockers Diltiazem, nifedipine, verapamil Cardiac Glycoside Preparations Digoxin Corticosteroids Prednisone Fibrates Clofibrate Oral Hypoglycemics Sulfonylureas (e.g., glyburide, glipizide) Hormonal Contraceptives/Progestins Ethinyl estradiol, levonorgestrel Immunosuppressants Cyclosporine, tacrolimus Methylxanthines… (Rifapentine label, Drug interactions)

  • RitonavirantiretroviralModerate

    Some patients required either initiation or dose adjustments of insulin or oral hypoglycemic agents for treatment of these events. (Ritonavir label, Warnings and precautions)

  • SalsalateNSAIDModerate

    Salicylates may enhance the hypoglycemic effect of oral antidiabetic drugs of the sulfonylurea class. (Salsalate label, Drug interactions)

  • SaxagliptinDPP-4 inhibitorModerate

    • Hypoglycemia with Concomitant Use of Insulin or Insulin Secretagogues: Consider a lower dosage of insulin or insulin secretagogue when used in combination wtih Saxagliptin tablets ( 5.3 ) (Saxagliptin label, Warnings and precautions)

  • SemaglutideGLP-1 receptor agonistModerate

    • Hypoglycemia with Concomitant Use of Insulin Secretagogues or Insulin : May increase the risk of hypoglycemia, including severe hypoglycemia. (Semaglutide label, Warnings and precautions)

  • SitagliptinDPP-4 inhibitorModerate

    Hypoglycemia with Concomitant Use with Insulin or Insulin Secretagogues: Increased risk of hypoglycemia when used in combination with insulin and/or an insulin secretagogue. (Sitagliptin label, Warnings and precautions)

  • Sitagliptin and metforminDPP-4 inhibitorModerate

    Hypoglycemia with Concomitant Use with Insulin or Insulin Secretagogues: Increased risk of hypoglycemia when used in combination with insulin and/or an insulin secretagogue. (Sitagliptin and metformin label, Warnings and precautions)

  • SomatropinModerate

    Glucose Intolerance and Diabetes Mellitus: HUMATROPE may decrease insulin sensitivity, particularly at higher doses. (Somatropin label, Warnings and precautions)

  • Sotalolbeta blockerModerate

    Insulin and Oral Antidiabetics Hyperglycemia may occur, and the dosage of insulin or antidiabetic drugs may require adjustment. (Sotalol label, Drug interactions)

  • Spironolactone and hydrochlorothiazidealdosterone antagonistModerate

    Antidiabetic drugs (e.g., oral agents, insulin): Dosage adjustment of the antidiabetic drug may be required (see Precautions ). (Spironolactone and hydrochlorothiazide label, Drug interactions)

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

  • SunitinibModerate

    • Hypoglycemia : Check blood glucose levels regularly and assess if antidiabetic drug dose modifications are required. (Sunitinib label, Warnings and precautions)

  • Telmisartan and hydrochlorothiazideangiotensin II receptor blocker (ARB)Moderate

    Antidiabetic drugs: Dosage adjustment may be required ( 7.6 ) (Telmisartan and hydrochlorothiazide label, Drug interactions)

  • TemsirolimusModerate

    This may result in the need for an increase in the dose of, or initiation of, insulin and/or oral hypoglycemic agent therapy. (Temsirolimus label, Warnings and precautions)

  • TestosteroneandrogenModerate

    Insulin: In patients with diabetes, concomitant use with TLANDO may decrease blood glucose and insulin requirements ( 7.1) . (Testosterone label, Drug interactions)

  • Timololbeta blockerModerate

    Masking of Hypoglycemic Symptoms in Patients with Diabetes Mellitus Beta-adrenergic blocking agents should be administered with caution in patients subject to spontaneous hypoglycemia or to diabetic patients (especially those with labile diabetes) who are receiving insulin or oral hypoglycemic agents. (Timolol label, Warnings and precautions)

  • TrandolaprilACE inhibitorModerate

    (See PRECAUTIONS . ) Antidiabetic Agents Concomitant use of ACE inhibitors and antidiabetic medicines (insulin or oral hypoglycemic agents) may cause an increased blood glucose lowering effect with greater risk of hypoglycemia. (Trandolapril label, Drug interactions)

  • TranylcypromineMAO inhibitorModerate

    Hypoglycemia in Diabetic Patients Some MAOIs have contributed to hypoglycemic episodes in diabetic patients receiving insulin or other blood-glucose-lowering agents. (Tranylcypromine label, Warnings and precautions)

  • TriamcinolonecorticosteroidModerate

    Antidiabetics: Because corticosteroids may increase blood glucose concentrations, dosage adjustments of antidiabetic agents may be required. (Triamcinolone label, Drug interactions)

  • Triamterenepotassium-sparing diureticModerate

    Infusion of glucose and insulin has also been used to treat hyperkalemia. (Triamterene label, Warnings and precautions)

  • Triamterene and hydrochlorothiazidepotassium-sparing diureticModerate

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

  • Valsartan and hydrochlorothiazideangiotensin II receptor blocker (ARB)Moderate

    Hydrochlorothiazide: When administered concurrently, the following drugs may interact with thiazide diuretics: Antidiabetic Drugs (oral agents and insulin) - Dosage adjustment of the antidiabetic drug may be required. (Valsartan and hydrochlorothiazide label, Drug interactions)

  • VareniclineModerate

    • Effect of Smoking Cessation on Other Drugs: Pharmacokinetics or pharmacodynamics of certain drugs (e.g., theophylline, warfarin, insulin) may be altered, necessitating dose adjustment. (Varenicline label, Drug interactions)

  • Voriconazoleazole antifungalModerate

    Sulfonylurea Oral Hypoglycemics (CYP2C9 Inhibition) Not Studied In Vivo or In Vitro , but Drug Plasma Exposure Likely to be Increased Frequent monitoring of blood glucose and for signs and symptoms of hypoglycemia. (Voriconazole label, Drug interactions)

  • WarfarinanticoagulantModerate

    Monitor patients on oral medications dependent on threshold concentrations for efficacy and those with a narrow therapeutic index (e.g., warfarin) when concomitantly administered with ZEPBOUND. (Tirzepatide label, Drug interactions)

Minor mentions (21)

  • Amiloridepotassium-sparing diureticMinor

    Such measures include the intravenous administration of sodium bicarbonate solution or oral or parenteral glucose with a rapid-acting insulin preparation. (Amiloride label, Warnings)

  • BupropionantidepressantMinor

    Additional predisposing conditions include diabetes mellitus treated with oral hypoglycemic drugs or insulin, use of anorectic drugs, excessive use of alcohol, use of benzodiazepines, sedatives/hypnotics, or opiates. (Bupropion label, Warnings and precautions)

  • ClozapineantipsychoticMinor

    In some cases, hyperglycemia has resolved when the atypical antipsychotic was discontinued; however, some patients required continuation of antidiabetic treatment despite discontinuation of the suspect drug. (Clozapine label, Warnings and precautions)

  • DiethylpropionCNS stimulantMinor

    Antidiabetic drug requirements (i.e., insulin) may be altered. (Diethylpropion label, Drug interactions)

  • FosphenytoinanticonvulsantMinor

    Hyperglycemia Hyperglycemia, resulting from the inhibitory effect of phenytoin (the active metabolite of CEREBYX) on insulin release, has been reported. (Fosphenytoin label, Warnings and precautions)

  • LovastatinstatinMinor

    Oral Hypoglycemic Agents In pharmacokinetic studies of lovastatin in hypercholesterolemic non-insulin dependent diabetic patients, there was no drug interaction with glipizide or with chlorpropamide (see CLINICAL PHARMACOLOGY , Clinical Studies in Adults ). (Lovastatin label, Drug interactions)

  • LumateperoneantipsychoticMinor

    In an uncontrolled open-label trial of CAPLYTA for up to 1 year in adult patients with stable schizophrenia, the percentages of patients with shifts in fasting glucose and insulin values from normal to high were 8% and 12%, respectively. (Lumateperone label, Warnings and precautions)

  • Administer INCRELEX shortly before or after a meal or snack, because it has insulin-like hypoglycemic effects. (Mecasermin label, Warnings and precautions)

  • MethamphetamineCNS stimulantMinor

    Insulin requirements in diabetes mellitus may be altered in association with the use of methamphetamine and the concomitant dietary regimen. (Methamphetamine label, Drug interactions)

  • Miconazoleazole antifungalMinor

    Although the systemic absorption of miconazole following ORAVIG administration is minimal and plasma concentrations of miconazole are substantially lower than when given intravenously, the potential for interaction with drugs metabolized through CYP2C9 and CYP3A4 such as oral hypoglycemics, phenytoin, or ergot alkaloids cannot be ruled out. (Miconazole label, Drug interactions)

  • MilrinonePDE3 inhibitorMinor

    …been observed in limited experience with patients in whom milrinone was used concurrently with the following drugs: digitalis glycosides; lidocaine, quinidine; hydralazine, prazosin; isosorbide dinitrate, nitroglycerin; chlorthalidone, furosemide, hydrochlorothiazide, spironolactone; captopril; heparin, warfarin, diazepam, insulin; and potassium supplements. (Milrinone label, Drug interactions)

  • MoexiprilACE inhibitorMinor

    Moexipril hydrochloride has been used in clinical trials concomitantly with calcium-channel-blocking agents, diuretics, H 2 blockers, digoxin, oral hypoglycemic agents, and cholesterol-lowering agents. (Moexipril label, Drug interactions)

  • Nifedipinedihydropyridine calcium channel blockerMinor

    Glucose Lowering Drugs Pioglitazone: Co-administration of pioglitazone for 7 days with 30 mg nifedipine ER administered orally q.d. for 4 days to male and female volunteers resulted in least square mean (90% CI) values for unchanged nifedipine of 0.83 (0.73-0.95) for C max and 0.88 (0.80-0.96) for AUC relative to nifedipine monotherapy. (Nifedipine label, Precautions)

  • PhendimetrazineCNS stimulantMinor

    Insulin and Oral Hypoglycemic Medications Requirements may be altered. (Phendimetrazine label, Drug interactions)

  • PhenytoinanticonvulsantMinor

    Hyperglycemia Hyperglycemia, resulting from the drug’s inhibitory effects on insulin release, has been reported. (Phenytoin label, Warnings and precautions)

  • Prazosinalpha blockerMinor

    …been administered without any adverse drug interaction in limited clinical experience to date with the following: (1) cardiac glycosides– digitalis and digoxin; (2) hypoglycemics–insulin, chlorpropamide, phenformin, tolazamide, and tolbutamide; (3) tranquilizers and sedatives–chlordiazepoxide, diazepam, and phenobarbital; (4) antigout–allopurinol, colchicine,… (Prazosin label, Drug interactions)

  • Succinylcholineneuromuscular blockerMinor

    Administration of intravenous calcium, bicarbonate, and glucose with insulin, with hyperventilation have resulted in successful resuscitation in some of the reported cases. (Succinylcholine label, Warnings and precautions)

  • SulfadiazinesulfonamideMinor

    Potentiation of the action of sulfonylurea hypoglycemic agents, thiazide diuretics and uricosuric agents may also be noted. (Sulfadiazine label, Drug interactions)

  • Telmisartan and amlodipineangiotensin II receptor blocker (ARB)Minor

    Drug Interactions with Amlodipine In clinical trials, amlodipine has been safely administered with thiazide diuretics, beta-blockers, angiotensin-converting enzyme inhibitors, long-acting nitrates, sublingual nitroglycerin, digoxin, warfarin, non-steroidal anti-inflammatory drugs, antibiotics, and oral hypoglycemic drugs. (Telmisartan and amlodipine label, Drug interactions)

  • TolmetinNSAIDMinor

    Hypoglycemic Agents: In adult diabetic patients under treatment with either sulfonylureas or insulin there is no change in the clinical effects of either TOLECTIN or the hypoglycemic agents. (Tolmetin label, Drug interactions)

  • ZiprasidoneantipsychoticMinor

    In some cases, hyperglycemia has resolved when the atypical antipsychotic was discontinued; however, some patients required continuation of antidiabetic treatment despite discontinuation of the suspect drug. (Ziprasidone label, Warnings and precautions)

No significant interaction reported (3)

  • OxaprozinNSAIDNo interaction

    Glyburide Clinical Impact: While oxaprozin does alter the pharmacokinetics of glyburide, coadministration of oxaprozin to type II non-insulin dependent diabetic patients did not affect the area under the glucose concentration curve nor the magnitude or duration of control. (Oxaprozin label, Drug interactions)

  • SulindacNSAIDNo interaction

    Oral hypoglycemic agents Although sulindac and its sulfide metabolite are highly bound to protein, studies in which sulindac was given at a dose of 400 mg daily, have shown no clinically significant interaction with oral hypoglycemic agents. (Sulindac label, Drug interactions)

  • VardenafilPDE5 inhibitorNo interaction

    Other interactions: Vardenafil hydrochloride tablets had no effect on the pharmacodynamics of glyburide (glucose and insulin concentrations) and warfarin (prothrombin time or other pharmacodynamic parameters). (Vardenafil label, Drug interactions)

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Not medical advice. Severity reflects the label's wording, not your circumstances. A "major" flag can be routine under supervision and a "minor" one can matter at high doses. Ask a pharmacist.