Tafenoquine interactions

Tafenoquine (Krintafel, Arakoda), an antimalarial has 34 documented interactions across the FDA labels and fact sheets we index: 12 major, 19 moderate, 3 minor, and 0 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 (12)

  • Alogliptin and metforminDPP-4 inhibitorMajor

    Avoid coadministration of ARAKODA with OCT2 and MATE substrates (e.g., dofetilide, metformin). (Tafenoquine label, Drug interactions)

  • Dapagliflozin and metforminSGLT2 inhibitorMajor

    Avoid coadministration of ARAKODA with OCT2 and MATE substrates (e.g., dofetilide, metformin). (Tafenoquine label, Drug interactions)

  • DofetilideantiarrhythmicMajor

    Avoid coadministration of ARAKODA with OCT2 and MATE substrates (e.g., dofetilide, metformin). (Tafenoquine label, Drug interactions)

  • Empagliflozin and metforminSGLT2 inhibitorMajor

    Avoid coadministration of ARAKODA with OCT2 and MATE substrates (e.g., dofetilide, metformin). (Tafenoquine label, Drug interactions)

  • Glipizide and metforminsulfonylureaMajor

    Avoid coadministration of ARAKODA with OCT2 and MATE substrates (e.g., dofetilide, metformin). (Tafenoquine label, Drug interactions)

  • Glyburide and metforminsulfonylureaMajor

    Avoid coadministration of ARAKODA with OCT2 and MATE substrates (e.g., dofetilide, metformin). (Tafenoquine label, Drug interactions)

  • Linagliptin and metforminDPP-4 inhibitorMajor

    Avoid coadministration of ARAKODA with OCT2 and MATE substrates (e.g., dofetilide, metformin). (Tafenoquine label, Drug interactions)

  • MetforminbiguanideMajor

    Avoid coadministration of ARAKODA with OCT2 and MATE substrates (e.g., dofetilide, metformin). (Tafenoquine label, Drug interactions)

  • Penicillamine should not be used in patients who are receiving concurrently gold therapy, antimalarial or cytotoxic drugs, oxyphenbutazone or phenylbutazone because these drugs are also associated with similar serious hematologic and renal adverse reactions. (Penicillamine label, Precautions)

  • Pioglitazone and metforminthiazolidinedioneMajor

    Avoid coadministration of ARAKODA with OCT2 and MATE substrates (e.g., dofetilide, metformin). (Tafenoquine label, Drug interactions)

  • Saxagliptin and metforminDPP-4 inhibitorMajor

    Avoid coadministration of ARAKODA with OCT2 and MATE substrates (e.g., dofetilide, metformin). (Tafenoquine label, Drug interactions)

  • Sitagliptin and metforminDPP-4 inhibitorMajor

    Avoid coadministration of ARAKODA with OCT2 and MATE substrates (e.g., dofetilide, metformin). (Tafenoquine label, Drug interactions)

Moderate interactions (19)

  • Articaine and epinephrinelocal anestheticModerate

    …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 Monoamine Oxidase… (Articaine and epinephrine label, Drug interactions)

  • Bupivacainelocal anestheticModerate

    • Drugs Associated with Methemoglobinemia : Patients are at increased risk of developing methemoglobinemia when concurrently exposed to nitrates, nitrites, local anesthetics, antineoplastic agents, antibiotics, antimalarials, anticonvulsants, and other drugs. (Bupivacaine label, Drug interactions)

  • Bupivacaine and epinephrinelocal anestheticModerate

    • Drugs Associated with Methemoglobinemia : Patients are at increased risk of developing methemoglobinemia when concurrently exposed to nitrates, nitrites, local anesthetics, antineoplastic agents, antibiotics, antimalarials, anticonvulsants, and other drugs. (Bupivacaine and epinephrine label, Drug interactions)

  • Chloroprocainelocal anestheticModerate

    …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 (Chloroprocaine label, Precautions)

  • ChloroquineantimalarialModerate

    Patients infected with a resistant strain of plasmodia as shown by the fact that normally adequate doses have failed to prevent or cure clinical malaria or parasitemia should be treated with another form of antimalarial therapy. (Chloroquine label, Warnings)

  • DarunavirantiretroviralModerate

    Antimalarial : artemether/lumefantrine ↓ artemether ↓ dihydroartemisinin ↑ lumefantrine ↔ darunavir The combination of PREZISTA/ritonavir and artemether/lumefantrine can be used without dose adjustments. (Darunavir label, Drug interactions)

  • Darunavir and cobicistatantiretroviralModerate

    Antimalarial: artemether/lumefantrine artemether: effect unknown lumefantrine: effect unknown Monitor for a potential decrease of antimalarial efficacy or potential QT prolongation. (Darunavir and cobicistat label, Drug interactions)

  • Droperidoldopamine antagonistModerate

    Possible pharmacodynamic interactions can occur between droperidol and potentially arrhythmogenic agents such as class I or III antiarrhythmics, antihistamines that prolong the QT interval, antimalarials, calcium channel blockers, neuroleptics that prolong the QT interval, and antidepressants. (Droperidol label, Drug interactions)

  • EfavirenzantiretroviralModerate

    Antimalarials: Artemether/lumefantrine Atovaquone/ proguanil ↓ artemether * ↓ dihydroartemisinin * ↓ lumefantrine * ↓ atovaquone ↓ proguanil Consider alternatives to artemether/ lumefantrine because of the risk of QT interval prolongation. (Efavirenz label, Drug interactions)

  • Antimalarials: Artemether/lumefantrine ↓ artemether ↓ dihydroartemisinin ↓ lumefantrine Consider alternatives to artemether/lumefantrine because of the risk of QT interval prolongation [see Warnings and Precautions (5.16) ] . (Efavirenz, lamivudine, and tenofovir label, Drug interactions)

  • EtravirineantiretroviralModerate

    Antimalarial : artemether/lumefantrine ↔ etravirine ↓ artemether ↓ dihydroartemisinin ↓ lumefantrine Caution is warranted when co-administering Etravirine and artemether/lumefantrine as it is unknown whether the decrease in exposure of artemether or its active metabolite, dihydroartemisinin, could result in decreased antimalarial efficacy. (Etravirine label, Drug interactions)

  • HydroxychloroquineQT-prolonging drugModerate

    Co-administration of PLAQUENIL with other antimalarials known to lower the seizure threshold (e.g., mefloquine) may increase the risk of seizures. (Hydroxychloroquine label, Drug interactions)

  • Lidocaine and epinephrinelocal anestheticModerate

    Drugs Associated with Methemoglobinemia: Patients are at increased risk of developing methemoglobinemia when concurrently exposed to nitrates, nitrites, local anesthetics, antineoplastic agents, antibiotics, antimalarials, anticonvulsants, and other drugs. (Lidocaine and epinephrine label, Drug interactions)

  • Lidocaine and prilocainelocal anestheticModerate

    …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)

  • MefloquineantimalarialModerate

    Other Antimalarial Drugs Concomitant administration of mefloquine and other related antimalarial compounds (e.g., quinine, quinidine and chloroquine) may produce electrocardiographic abnormalities and increase the risk of convulsions (see WARNINGS ). (Mefloquine label, Drug interactions)

  • Mepivacainelocal anestheticModerate

    …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)

  • Prilocaine and epinephrinelocal anestheticModerate

    …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 The administration… (Prilocaine and epinephrine label, Drug interactions)

  • RifapentineantibioticModerate

    …quinidine, tocainide Antibiotics Chloramphenicol, clarithromycin, dapsone, doxycycline; Fluoroquinolones (such as ciprofloxacin) Oral Anticoagulants Warfarin Anticonvulsants Phenytoin Antimalarials Quinine Azole Antifungals Fluconazole, itraconazole, ketoconazole Antipsychotics Haloperidol Barbiturates Phenobarbital Benzodiazepines Diazepam Beta-Blockers Propranolol… (Rifapentine label, Drug interactions)

  • Ropivacainelocal anestheticModerate

    …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 NAROPIN should be… (Ropivacaine label, Drug interactions)

Minor mentions (3)

  • PyrimethamineantimalarialMinor

    Drug Interactions: Pyrimethamine may be used with sulfonamides, quinine and other antimalarials, and with other antibiotics. (Pyrimethamine label, Drug interactions)

  • QuinidineantiarrhythmicMinor

    Pediatric use In antimalarial trials, quinidine was as safe and effective in pediatric patients as in adults. (Quinidine label, Precautions)

  • QuinineantimalarialMinor

    Other antimalarials (e.g., halofantrine, mefloquine). (Quinine 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.