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Paracetamol + Caffeine interactions

Checked as Acetaminophen + Caffeine in this data source.

Full monograph for Paracetamol + CaffeineCheck it against another medicine

Medicines

675 documented

Medicines documented to interact with Paracetamol + Caffeine, worst severity first.
MedicineSeverityMechanismEffectSources
Ethanol + Isopropyl alcoholvia AcetaminophenMajorMetabolismChronic, excessive consumption of alcohol may increase the risk of acetaminophen-induced hepatotoxicity, which has included rare cases of fatal hepatitis and…12 sources — open the full entry
Leflunomidevia AcetaminophenMajorSynergyThe recent, concomitant, or subsequent use (without the recommended leflunomide washout period or procedure) of other agents known to induce hepatotoxicity may…3 sources — open the full entry
Lidocaine + Prilocainevia AcetaminophenMajorSynergyPrilocaine can cause dose-related methemoglobin formation via its ortho-toluidine metabolite. Coadministration with other oxidizing agents that can also induce…6 sources — open the full entry
Tizanidine Hydrochloridevia Acetaminophen, CaffeineMajorMetabolism · UnknownCoadministration with inhibitors of CYP450 1A2 may significantly increase the plasma concentrations and pharmacologic effects of tizanidine, which is a…2 documented mechanisms8 sources — open the full entry
Abametapirvia CaffeineModerateMetabolismBased on in vitro inhibition data, a single topical application of abametapir lotion may increase plasma concentrations of drugs that are substrates of CYP450…1 sources — open the full entry
Activated Charcoalvia AcetaminophenModerateAbsorptionCharcoal may reduce the absorption of many drugs and can absorb enterohepatically circulated drugs. Clinical utility may be the reduction either of the effects…25 sources — open the full entry
Adenosinevia Acetaminophen, CaffeineModerateAntagonism · UnknownINTERVAL: Methylxanthines (e.g., caffeine, theophylline) are nonspecific, competitive antagonists of adenosine receptors. As such, they may interfere with the…2 documented mechanisms10 sources — open the full entry
Adenosine + Cytochrome-C + Sodium Succinate + Nicotinamidevia Acetaminophen, CaffeineModerateAntagonism · UnknownINTERVAL: Methylxanthines (e.g., caffeine, theophylline) are nonspecific, competitive antagonists of adenosine receptors. As such, they may interfere with the…2 documented mechanisms10 sources — open the full entry
Apalutamidevia AcetaminophenModerateAbsorption · MetabolismCoadministration with apalutamide may decrease the plasma concentrations and therapeutic effects of drugs that are substrates of CYP450 3A4, 2C9, 2C19, breast…5 sources — open the full entry
Aspirin + Dipyridamolevia Acetaminophen, CaffeineModerateAntagonism · Others · UnknownINTERVAL: Methylxanthines (e.g., caffeine, theophylline) are nonspecific, competitive antagonists of adenosine receptors. As such, they may interfere with the…4 documented mechanisms13 sources — open the full entry
Bendamustinevia CaffeineModerateMetabolismCoadministration with inhibitors of CYP450 1A2 may increase the plasma concentrations of bendamustine, which has been shown in vitro to be metabolized by the…1 sources — open the full entry
Benzocaine + Butamben + Tetracaine Hydrochloridevia AcetaminophenModerateSynergySome topical anesthetics can be systemically absorbed and cause methemoglobinemia, particularly when applied to mucous membranes. Coadministration with other…7 sources — open the full entry
Bupropion Hydrochloridevia Caffeine, AcetaminophenModerateSynergy · UnknownTranslated with DeepL2 documented mechanisms4 sources — open the full entry
Capmatinib Hydrochloridevia CaffeineModerateMetabolismCoadministration with capmatinib may increase the plasma concentrations and risk of adverse effects of drugs that are substrates of CYP450 1A2. The proposed…1 sources — open the full entry
Carbamazepinevia AcetaminophenModerateMetabolismLimited data suggest that carbamazepine may increase the potential hepatotoxicity of acetaminophen and decrease its pharmacologic effects. The mechanism may be…6 sources — open the full entry
Ceritinibvia AcetaminophenModerateMetabolismCoadministration with ceritinib may increase the plasma concentration and the risk of adverse effects of drugs that are substrates of CYP450 2A6 and/or 2E1…8 sources — open the full entry
Cinchocaine + Hydrocortisone + Framycetin + Esculinvia AcetaminophenModerateSynergy · UnknownSome topical anesthetics can be systemically absorbed and cause methemoglobinemia, particularly when applied to mucous membranes. Coadministration with other…3 documented mechanisms7 sources — open the full entry
Cinchocaine + Hydrocortisone + Neomycin + Esculinvia AcetaminophenModerateSynergy · UnknownSome topical anesthetics can be systemically absorbed and cause methemoglobinemia, particularly when applied to mucous membranes. Coadministration with other…3 documented mechanisms7 sources — open the full entry
CiprofloxacinbaseOphthalmicvia Acetaminophen, CaffeineModerateMetabolism · UnknownCoadministration with certain quinolones may increase the plasma concentrations and pharmacologic effects of caffeine due to inhibition of the CYP450 1A2…2 documented mechanisms26 sources — open the full entry
Ciprofloxacin + Dexamethasonevia Acetaminophen, CaffeineModerateMetabolism · UnknownCoadministration with certain quinolones may increase the plasma concentrations and pharmacologic effects of caffeine due to inhibition of the CYP450 1A2…3 documented mechanisms26 sources — open the full entry
Ciprofloxacin + Hydrocortisone Acetatevia Acetaminophen, CaffeineModerateMetabolism · UnknownCoadministration with certain quinolones may increase the plasma concentrations and pharmacologic effects of caffeine due to inhibition of the CYP450 1A2…2 documented mechanisms26 sources — open the full entry
Dapsonevia AcetaminophenModerateSynergyCoadministration of oral or topical dapsone with other agents associated with methemoglobinemia may have additive effects and theoretically increase the risk…2 sources — open the full entry
Deferasiroxvia Acetaminophen, CaffeineModerateMetabolismCoadministration with deferasirox may increase the plasma concentrations of drugs that are substrates of the CYP450 1A2 isoenzyme. The mechanism is decreased…2 documented mechanisms2 sources — open the full entry
Dextromethorphan + Bupropionvia Caffeine, AcetaminophenModerateSynergy · UnknownTranslated with DeepL2 documented mechanisms4 sources — open the full entry
Dipyridamolevia Acetaminophen, CaffeineModerateAntagonism · UnknownINTERVAL: Methylxanthines (e.g., caffeine, theophylline) are nonspecific, competitive antagonists of adenosine receptors. As such, they may interfere with the…2 documented mechanisms10 sources — open the full entry
Duloxetine Hydrochloridevia Acetaminophen, CaffeineModerateMetabolism · UnknownCoadministration with inhibitors of CYP450 1A2 may increase the plasma concentrations of duloxetine, which is a substrate of the isoenzyme. Theoretically, high…2 documented mechanisms5 sources — open the full entry
Efavirenzvia AcetaminophenModerateSynergyCoadministration of efavirenz with other agents known to induce hepatotoxicity may potentiate the risk of liver injury. Efavirenz has been associated with…7 sources — open the full entry
Epirubicin Hydrochloridevia AcetaminophenModerateSynergyThe concomitant or sequential use of epirubicin with agents known to induce hepatotoxicity may potentiate the risk of liver injury. Epirubicin undergoes…4 sources — open the full entry
Fenofibratevia AcetaminophenModerateMetabolismCoadministration with fenofibrate may increase the plasma concentrations and risk of adverse effects of drugs that are substrates of CYP450 2C19, 2A6, and 2C9…37 sources — open the full entry
Fluvoxamine Maleatevia Acetaminophen, CaffeineModerateMetabolism · UnknownCoadministration with fluvoxamine may increase the plasma concentrations of caffeine in a dose-dependent manner. The proposed mechanism is fluvoxamine…2 documented mechanisms49 sources — open the full entry
Fosphenytoin Sodiumvia AcetaminophenModerateMetabolismHydantoins may increase the potential hepatotoxicity of acetaminophen and decrease its pharmacologic effects. The mechanism may be related to induction of…22 sources — open the full entry
Hydroxyprogesterone Caproatevia Acetaminophen, CaffeineModerateMetabolismCoadministration with hydroxyprogesterone may decrease the plasma concentrations of drugs that are metabolized by CYP450 1A2, 2A6, and/or 2B6.2 documented mechanisms1 sources — open the full entry
Imatinib Mesylatevia AcetaminophenModerateSynergyIn vitro inhibition data suggest that coadministration with imatinib may increase the plasma concentrations of acetaminophen. The proposed mechanism is…5 sources — open the full entry
L-Asparginasevia AcetaminophenModerateSynergyConcomitant use of asparaginase with other hepatotoxic agents may potentiate the risk of liver injury. Hepatomegaly, acute severe hepatotoxicity, and fatal…13 sources — open the full entry
Lidocaine Hydrochloride (Jelly)via AcetaminophenModerateSynergySome topical anesthetics can be systemically absorbed and cause methemoglobinemia, particularly when applied to mucous membranes. Coadministration with other…7 sources — open the full entry
Lithium Carbonatevia CaffeineModerateExcretionOne study has suggested that caffeine withdrawal may significantly increase blood lithium levels. The mechanism may be involve reversal of a caffeine-induced…47 sources — open the full entry
Lorlatinibvia AcetaminophenModerateMetabolismCoadministration with lorlatinib may decrease the plasma concentrations of drugs that are substrates of the uridine diphosphate glucuronosyl transferase (UGT)…5 sources — open the full entry
Methotrexatevia Acetaminophen, CaffeineModerateAntagonism · SynergyCoadministration of methotrexate with other agents known to induce hepatotoxicity may potentiate the risk of liver injury. Methotrexate, especially at higher…2 documented mechanisms7 sources — open the full entry
Nalidixic Acidvia CaffeineModerateMetabolismCoadministration with certain quinolones may increase the plasma concentrations and pharmacologic effects of caffeine due to inhibition of the CYP450 1A2…26 sources — open the full entry
Obeticholic Acidvia CaffeineModerateMetabolismCoadministration with obeticholic acid may increase the plasma concentrations of drugs that are substrates of the CYP450 1A2 isoenzyme. The mechanism is…1 sources — open the full entry
Olaparibvia CaffeineModerateMetabolismCoadministration with olaparib may decrease the plasma concentrations and therapeutic effects of drugs that are substrates of CYP450 1A2 and/or 2B6. The…10 sources — open the full entry
Osimertinibvia CaffeineModerateMetabolismCoadministration with osimertinib may decrease the plasma concentrations of drugs that are primarily metabolized by CYP450 1A2. In vitro, osimertinib has been…1 sources — open the full entry
Ospemifenevia AcetaminophenModerateExcretionOspemifene and its major metabolite, 4-hydroxyospemifene, may increase the plasma concentrations and the risk of adverse effects of drugs that are substrates…3 sources — open the full entry
Oxybuprocaine Hydrochloridevia AcetaminophenModerateSynergySome topical anesthetics can be systemically absorbed and cause methemoglobinemia, particularly when applied to mucous membranes. Coadministration with other…7 sources — open the full entry
Phenobarbitalvia AcetaminophenModerateMetabolismBarbiturates may increase the hepatotoxic potential of acetaminophen and decrease its therapeutic effects. The mechanism may be related to accelerated CYP450…4 sources — open the full entry
Phenytoin Sodiumvia AcetaminophenModerateMetabolismHydantoins may increase the potential hepatotoxicity of acetaminophen and decrease its pharmacologic effects. The mechanism may be related to induction of…22 sources — open the full entry
Primidonevia AcetaminophenModerateMetabolismBarbiturates may increase the hepatotoxic potential of acetaminophen and decrease its therapeutic effects. The mechanism may be related to accelerated CYP450…4 sources — open the full entry
Proparacaine Hydrochloridevia AcetaminophenModerateSynergySome topical anesthetics can be systemically absorbed and cause methemoglobinemia, particularly when applied to mucous membranes. Coadministration with other…7 sources — open the full entry
Ramelteonvia CaffeineModerateMetabolismCoadministration with inhibitors of CYP450 1A2 may increase the plasma concentrations and pharmacologic effects of ramelteon, which is primarily metabolized by…2 sources — open the full entry
Rasagilinevia CaffeineModerateMetabolismCoadministration with inhibitors of CYP450 1A2 may increase the plasma concentrations of rasagiline, which is primarily metabolized by the isoenzyme.14 sources — open the full entry

Food & lifestyle

Conditions

Conditions in which Paracetamol + Caffeine needs care, as documented in this source.