The metabolism of Acetaminophen can be decreased when combined with Sertraline. Acetaminophen may increase the anticoagulant activities of Ethyl biscoumacetate. The serum concentration of Bosutinib can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Fluvastatin. The metabolism of Acetaminophen can be increased when combined with Methylphenobarbital. The metabolism of Acetaminophen can be decreased when combined with Clozapine. The serum concentration of Acetaminophen can be increased when it is combined with Probenecid. The metabolism of Acetaminophen can be decreased when combined with Lorcaserin. The serum concentration of Ledipasvir can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Fluvoxamine. The serum concentration of Acetaminophen can be decreased when it is combined with Tocilizumab. The serum concentration of Acetaminophen can be decreased when it is combined with Teriflunomide. Acetaminophen may increase the anticoagulant activities of Phenindione. The serum concentration of Saxagliptin can be decreased 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 Fluorouracil. The serum concentration of Acetaminophen can be increased when it is combined with Netupitant. The metabolism of Acetaminophen can be decreased when combined with Lobeglitazone. The metabolism of Acetaminophen can be decreased when combined with Efavirenz. The metabolism of Acetaminophen can be decreased when combined with Manidipine. The metabolism of Acetaminophen can be decreased when combined with Nefazodone. The metabolism of Acetaminophen can be decreased when combined with Dosulepin. The serum concentration of Acetaminophen can be increased when it is combined with Abiraterone. The risk or severity of adverse effects can be increased when Bromocriptine is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Metoprolol. The serum concentration of Vincristine can be increased when it is combined with Acetaminophen. The serum concentration of Acetaminophen can be increased when it is combined with Osimertinib. The metabolism of Acetaminophen can be decreased when combined with Tranylcypromine. The metabolism of Acetaminophen can be increased when combined with Rifapentine. The metabolism of Acetaminophen can be increased when combined with Thiopental. The metabolism of Acetaminophen can be decreased when combined with Telaprevir. The metabolism of Acetaminophen can be decreased when combined with Verapamil. The metabolism of Acetaminophen can be decreased when combined with Lopinavir. The risk or severity of adverse effects can be increased when Methysergide is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Cholecalciferol. The serum concentration of Conivaptan can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Ritonavir. The serum concentration of Ubidecarenone can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Midostaurin. Ethanol may increase the hepatotoxic activities of Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Clobazam. The serum concentration of Acetaminophen can be decreased when it is combined with St. John's Wort. The metabolism of Acetaminophen can be decreased when combined with Atomoxetine. The serum concentration of Simvastatin can be increased when it is combined with Acetaminophen. The risk or severity of adverse effects can be increased when Acetaminophen is combined with Atorvastatin. The metabolism of Acetaminophen can be decreased when combined with Topiroxostat. The metabolism of Acetaminophen can be decreased when combined with Olaparib. The metabolism of Acetaminophen can be increased when combined with Nevirapine. The metabolism of Acetaminophen can be decreased when combined with Telithromycin. The metabolism of Acetaminophen can be decreased when combined with Boceprevir. The serum concentration of Acetaminophen can be increased when it is combined with Fusidic Acid. The metabolism of Acetaminophen can be decreased when combined with Tipranavir. The metabolism of Acetaminophen can be decreased when combined with Celecoxib. The metabolism of Acetaminophen can be decreased when combined with Lapatinib. The risk or severity of adverse effects can be increased when Nicergoline is combined with Acetaminophen. Cholestyramine can cause a decrease in the absorption of Acetaminophen resulting in a reduced serum concentration and potentially a decrease in efficacy. The risk or severity of adverse effects can be increased when Methylergometrine is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Nilotinib. The metabolism of Acetaminophen can be decreased when combined with Isradipine. The metabolism of Acetaminophen can be increased when combined with Hexobarbital. The serum concentration of Acetaminophen can be increased when it is combined with Simeprevir. The serum concentration of Naloxegol can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be increased when combined with Barbital. The metabolism of Acetaminophen can be decreased when combined with Ketoconazole. The metabolism of Acetaminophen can be decreased when combined with Nicotine. The metabolism of Acetaminophen can be decreased when combined with Valsartan. The metabolism of Acetaminophen can be decreased when combined with Thioridazine. The metabolism of Acetaminophen can be decreased when combined with Dihydroergotamine. 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 Carbamazepine. The serum concentration of Pravastatin can be increased when it is combined with Acetaminophen. Acetaminophen may increase the hepatotoxic activities of Mipomersen. The serum concentration of Tolvaptan can be increased when it is combined with Acetaminophen. The serum concentration of Brentuximab vedotin can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be increased when combined with Pentobarbital. The metabolism of Acetaminophen can be decreased when combined with Venlafaxine. The metabolism of Acetaminophen can be decreased when combined with Idelalisib. The serum concentration of Afatinib can be increased when it is combined with Acetaminophen. The serum concentration of Rilpivirine can be increased when it is combined with Acetaminophen. The serum concentration of Acetaminophen can be increased when it is combined with Darunavir. The metabolism of Acetaminophen can be decreased when combined with Lidocaine. The metabolism of Acetaminophen can be decreased when combined with Atazanavir. Acetaminophen may increase the hepatotoxic activities of Dasatinib. The metabolism of Acetaminophen can be decreased when combined with Eliglustat. The metabolism of Acetaminophen can be decreased when combined with Clarithromycin. The metabolism of Acetaminophen can be decreased when combined with Amiodarone. The metabolism of Acetaminophen can be increased when combined with Phenobarbital. The metabolism of Acetaminophen can be increased when combined with Primidone. The metabolism of Acetaminophen can be decreased when combined with Chlorpromazine. The metabolism of Acetaminophen can be decreased when combined with Rolapitant. The metabolism of Acetaminophen can be decreased when combined with Dronedarone. The serum concentration of Acetaminophen can be increased when it is combined with Stiripentol. The metabolism of Acetaminophen can be decreased when combined with Methadone. The serum concentration of Rifaximin can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Nicardipine. The metabolism of Acetaminophen can be decreased when combined with Chloroquine. The metabolism of Acetaminophen can be decreased when combined with Clomipramine. The serum concentration of Acetaminophen can be increased when it is combined with Aprepitant. The metabolism of Acetaminophen can be decreased when combined with Cimetidine. The metabolism of Acetaminophen can be decreased when combined with Theophylline. The metabolism of Acetaminophen can be increased when combined with Barbexaclone. The metabolism of Acetaminophen can be decreased when combined with Indinavir. The serum concentration of Acetaminophen can be increased when it is combined with Mifepristone. The metabolism of Acetaminophen can be decreased when combined with Ticlopidine. The risk or severity of adverse effects can be increased when Pergolide is combined with Acetaminophen. The metabolism of Acetaminophen can be increased when combined with Thiamylal. The risk or severity of adverse effects can be increased when Lysergic Acid Diethylamide is combined with Acetaminophen. Acetaminophen may increase the anticoagulant activities of Dicoumarol. The serum concentration of Phenylephrine can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Zucapsaicin. The therapeutic efficacy of Acetaminophen can be decreased when used in combination with Sarilumab. The metabolism of Acetaminophen can be decreased when combined with Itraconazole. The metabolism of Acetaminophen can be decreased when combined with Crisaborole. The metabolism of Acetaminophen can be decreased when combined with Floxuridine. The metabolism of Acetaminophen can be decreased when combined with Cocaine. The metabolism of Acetaminophen can be decreased when combined with Irbesartan. The serum concentration of Prucalopride can be increased when it is combined with Acetaminophen. The serum concentration of Acetaminophen can be decreased when it is combined with Fosphenytoin. The metabolism of Acetaminophen can be decreased when combined with Imipramine. The serum concentration of Colchicine can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Crizotinib. The metabolism of Acetaminophen can be decreased when combined with Lumefantrine. The metabolism of Acetaminophen can be decreased when combined with Clemastine. The metabolism of Acetaminophen can be decreased when combined with Gemfibrozil. The serum concentration of Topotecan can be increased when it is combined with Acetaminophen. The serum concentration of Acetaminophen can be increased when it is combined with Fosaprepitant. The metabolism of Acetaminophen can be decreased when combined with Sulfamethoxazole. The metabolism of Acetaminophen can be decreased when combined with Bortezomib. The serum concentration of Rosuvastatin can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Cinacalcet.