The metabolism of Acetaminophen can be decreased when combined with Boceprevir. The metabolism of Acetaminophen can be decreased when combined with Midostaurin. The metabolism of Acetaminophen can be decreased when combined with Lobeglitazone. The serum concentration of Vincristine can be increased when it is combined with Acetaminophen. The serum concentration of Busulfan can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be increased when combined with Nevirapine. The metabolism of Acetaminophen can be increased when combined with Rifapentine. The metabolism of Acetaminophen can be decreased when combined with Nefazodone. The metabolism of Acetaminophen can be decreased when combined with Nelfinavir. The metabolism of Acetaminophen can be decreased when combined with Itraconazole. The metabolism of Acetaminophen can be decreased when combined with Rolapitant. The serum concentration of Acetaminophen can be decreased when it is combined with Bosentan. The metabolism of Acetaminophen can be decreased when combined with Nicotine. The serum concentration of Acetaminophen can be decreased when it is combined with Tocilizumab. The metabolism of Acetaminophen can be increased when combined with Methohexital. The metabolism of Acetaminophen can be increased when combined with Rifampicin. Acetaminophen may increase the hepatotoxic activities of Dasatinib. The metabolism of Acetaminophen can be decreased when combined with Lumefantrine. The serum concentration of Phenylephrine can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Lopinavir. The metabolism of Acetaminophen can be increased when combined with Thiamylal. The risk or severity of adverse effects can be increased when Dapsone is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Haloperidol. The serum concentration of Doxorubicin can be increased when it is combined with Acetaminophen. The risk or severity of adverse effects can be increased when Cabergoline is combined with Acetaminophen. The serum concentration of Acetaminophen can be decreased when it is combined with Cyproterone acetate. The metabolism of Acetaminophen can be decreased when combined with Voriconazole. The metabolism of Acetaminophen can be decreased when combined with Tamoxifen. The metabolism of Acetaminophen can be decreased when combined with Amiodarone. The metabolism of Acetaminophen can be decreased when combined with Telaprevir. The serum concentration of Naloxegol can be increased when it is combined with Acetaminophen. Acetaminophen may increase the anticoagulant activities of Phenprocoumon. The metabolism of Acetaminophen can be decreased when combined with Nicardipine. The serum concentration of Acetaminophen can be decreased when it is combined with Deferasirox. The serum concentration of Acetaminophen can be increased when it is combined with Stiripentol. The metabolism of Acetaminophen can be decreased when combined with Cocaine. The metabolism of Acetaminophen can be decreased when combined with Fluorouracil. The metabolism of Acetaminophen can be decreased when combined with Atomoxetine. The metabolism of Acetaminophen can be decreased when combined with Diltiazem. The metabolism of Acetaminophen can be decreased when combined with Clomipramine. The metabolism of Acetaminophen can be decreased when combined with Indinavir. The metabolism of Acetaminophen can be decreased when combined with Tipranavir. The risk or severity of adverse effects can be increased when Isoniazid is combined with Acetaminophen. The risk or severity of adverse effects can be increased when Nitric Oxide is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Leflunomide. The metabolism of Acetaminophen can be decreased when combined with Paroxetine. The risk or severity of adverse effects can be increased when Methylergometrine is combined with Acetaminophen. The serum concentration of Acetaminophen can be decreased when it is combined with Phenytoin. The serum concentration of Acetaminophen can be increased when it is combined with Luliconazole. The metabolism of Acetaminophen can be increased when combined with Secobarbital. The metabolism of Acetaminophen can be decreased when combined with Sulfadiazine. The serum concentration of Acetaminophen can be increased when it is combined with Ceritinib. The serum concentration of Afatinib can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Desipramine. The metabolism of Acetaminophen can be decreased when combined with Dosulepin. The metabolism of Acetaminophen can be decreased when combined with Chlorpromazine. The metabolism of Acetaminophen can be decreased when combined with Crizotinib. The risk or severity of adverse effects can be increased when Metergoline is combined with Acetaminophen. The metabolism of Acetaminophen can be increased when combined with Hexobarbital. The metabolism of Acetaminophen can be decreased when combined with Manidipine. The serum concentration of Tolvaptan can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Diphenhydramine. The metabolism of Acetaminophen can be decreased when combined with Ritonavir. The serum concentration of Acetaminophen can be decreased when it is combined with Mitotane. The metabolism of Acetaminophen can be decreased when combined with Artemether. The serum concentration of Acetaminophen can be increased when it is combined with Aprepitant. The serum concentration of Prucalopride can be increased when it is combined with Acetaminophen. Acetaminophen may increase the anticoagulant activities of Warfarin. The metabolism of Acetaminophen can be decreased when combined with Cinacalcet. The metabolism of Acetaminophen can be decreased when combined with Metoprolol. The metabolism of Acetaminophen can be decreased when combined with Atazanavir. The metabolism of Acetaminophen can be increased when combined with Barbital. The serum concentration of Acetaminophen can be increased when it is combined with Panobinostat. The metabolism of Acetaminophen can be decreased when combined with Quinine. The metabolism of Acetaminophen can be decreased when combined with Pioglitazone. The serum concentration of Ranolazine can be increased when it is combined with Acetaminophen. The risk or severity of adverse effects can be increased when Acetaminophen is combined with Prilocaine. The metabolism of Acetaminophen can be decreased when combined with Sildenafil. The serum concentration of Ubidecarenone can be increased when it is combined with Acetaminophen. The serum concentration of Pitavastatin can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Omeprazole. The metabolism of Acetaminophen can be decreased when combined with Caffeine. The serum concentration of Acetaminophen can be decreased when it is combined with Fosphenytoin. The metabolism of Acetaminophen can be decreased when combined with Valproic Acid. The serum concentration of Acetaminophen can be decreased when it is combined with Enzalutamide. Acetaminophen may increase the hepatotoxic activities of Sorafenib. The metabolism of Acetaminophen can be decreased when combined with Dihydroergotamine. The serum concentration of Brentuximab vedotin can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Theophylline. The metabolism of Acetaminophen can be decreased when combined with Lidocaine. The serum concentration of Conivaptan can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Capecitabine. The risk or severity of adverse effects can be increased when Lisuride is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Fosamprenavir. The metabolism of Acetaminophen can be decreased when combined with Tolbutamide. The serum concentration of Acetaminophen can be increased when it is combined with Simeprevir. The metabolism of Acetaminophen can be decreased when combined with Irbesartan. The serum concentration of Ibrutinib can be increased when it is combined with Acetaminophen. The serum concentration of Aripiprazole can be decreased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Clarithromycin. The serum concentration of Ledipasvir can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be increased when combined with Thiopental. The metabolism of Acetaminophen can be increased when combined with Barbexaclone. The risk or severity of adverse effects can be increased when Lysergic Acid Diethylamide is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Felodipine. The metabolism of Acetaminophen can be decreased when combined with Darifenacin. The metabolism of Acetaminophen can be decreased when combined with Verapamil. The metabolism of Acetaminophen can be increased when combined with Methylphenobarbital. The metabolism of Acetaminophen can be decreased when combined with Saquinavir. The serum concentration of Nintedanib can be increased when it is combined with Acetaminophen. The serum concentration of the active metabolites of Dabigatran etexilate can be increased when Dabigatran etexilate is used in combination with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Fluvoxamine. The metabolism of Acetaminophen can be decreased when combined with Sertraline. The metabolism of Acetaminophen can be decreased when combined with Rosiglitazone. The metabolism of Acetaminophen can be decreased when combined with Dronedarone. The metabolism of Acetaminophen can be increased when combined with Carbamazepine. The metabolism of Acetaminophen can be decreased when combined with Sulfamethoxazole. The risk or severity of adverse effects can be increased when Nicergoline is combined with Acetaminophen. The risk or severity of adverse effects can be increased when Ergotamine is combined with Acetaminophen. The serum concentration of Acetaminophen can be decreased when it is combined with Peginterferon alfa-2b. The serum concentration of Acetaminophen can be increased when it is combined with Mifepristone. The serum concentration of Bosutinib can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Valsartan. The metabolism of Acetaminophen can be decreased when combined with Clozapine. The metabolism of Acetaminophen can be decreased when combined with Isavuconazonium. The metabolism of Acetaminophen can be decreased when combined with Duloxetine. The metabolism of Acetaminophen can be decreased when combined with Idelalisib. The metabolism of Acetaminophen can be decreased when combined with Ziprasidone. The risk or severity of adverse effects can be increased when Pergolide is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Methadone.