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 Lidocaine. The serum concentration of Mevastatin can be increased when it is combined with Acetaminophen. Acetaminophen may increase the anticoagulant activities of Acenocoumarol. The metabolism of Acetaminophen can be decreased when combined with Clemastine. The metabolism of Acetaminophen can be decreased when combined with Erythromycin. The serum concentration of Acetaminophen can be decreased when it is combined with Fosphenytoin. Cholestyramine can cause a decrease in the absorption of Acetaminophen resulting in a reduced serum concentration and potentially a decrease in efficacy. The serum concentration of Conivaptan can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Clomipramine. The metabolism of Acetaminophen can be decreased when combined with Lapatinib. The serum concentration of Acetaminophen can be decreased when it is combined with Tocilizumab. The metabolism of Acetaminophen can be decreased when combined with Verapamil. The metabolism of Acetaminophen can be increased when combined with Methylphenobarbital. The serum concentration of Acetaminophen can be increased when it is combined with Simeprevir. The metabolism of Acetaminophen can be increased when combined with Barbital. The metabolism of Acetaminophen can be decreased when combined with Ziprasidone. The metabolism of Acetaminophen can be decreased when combined with Losartan. The serum concentration of Ibrutinib can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Venlafaxine. 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 Amiodarone. The serum concentration of Afatinib can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Rosiglitazone. The metabolism of Acetaminophen can be decreased when combined with Fluorouracil. The metabolism of Acetaminophen can be decreased when combined with Itraconazole. The serum concentration of Acetaminophen can be increased when it is combined with Ceritinib. The risk or severity of adverse effects can be increased when Nicergoline is combined with Acetaminophen. The serum concentration of Edoxaban 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 Dosulepin. The serum concentration of Ranolazine can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Isavuconazonium. The metabolism of Acetaminophen can be decreased when combined with Isradipine. The risk or severity of adverse effects can be increased when Lysergic Acid Diethylamide is combined with Acetaminophen. The serum concentration of Saxagliptin can be decreased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be increased when combined with Secobarbital. The metabolism of Acetaminophen can be decreased when combined with Voriconazole. The metabolism of Acetaminophen can be decreased when combined with Cocaine. The serum concentration of Naloxegol can be increased when it is combined with Acetaminophen. Acetaminophen may increase the hepatotoxic activities of Mipomersen. Acetaminophen may increase the anticoagulant activities of Ethyl biscoumacetate. The serum concentration of Rifaximin can be increased when it is combined with Acetaminophen. 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 Tamoxifen. The metabolism of Acetaminophen can be decreased when combined with Mirabegron. The metabolism of Acetaminophen can be decreased when combined with Atazanavir. 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 serum concentration of Silodosin can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Fosamprenavir. The serum concentration of Acetaminophen can be decreased when it is combined with Peginterferon alfa-2b. The metabolism of Acetaminophen can be decreased when combined with Fluoxetine. The metabolism of Acetaminophen can be decreased when combined with Sulfamethoxazole. The metabolism of Acetaminophen can be decreased when combined with Quinine. The metabolism of Acetaminophen can be decreased when combined with Cyclosporine. The metabolism of Acetaminophen can be decreased when combined with Tenofovir disoproxil. The serum concentration of Everolimus 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 Irbesartan. The metabolism of Acetaminophen can be decreased when combined with Pyrimethamine. The metabolism of Acetaminophen can be increased when combined with Hexobarbital. The metabolism of Acetaminophen can be decreased when combined with Mexiletine. The serum concentration of Cerivastatin can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Terbinafine. The serum concentration of Acetaminophen can be increased when it is combined with Netupitant. The metabolism of Acetaminophen can be decreased when combined with Sildenafil. The serum concentration of Prucalopride can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Nefazodone. The serum concentration of Acetaminophen can be increased when it is combined with Aprepitant. The metabolism of Acetaminophen can be decreased when combined with Chlorpromazine. The serum concentration of Acetaminophen can be increased when it is combined with Metyrapone. The metabolism of Acetaminophen can be decreased when combined with Gemfibrozil. The metabolism of Acetaminophen can be decreased when combined with Olaparib. 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 Bortezomib. The metabolism of Acetaminophen can be decreased when combined with Duloxetine. The metabolism of Acetaminophen can be decreased when combined with Imipramine. The metabolism of Acetaminophen can be decreased when combined with Atomoxetine. The metabolism of Acetaminophen can be decreased when combined with Sulfisoxazole. The metabolism of Acetaminophen can be increased when combined with Barbexaclone. The metabolism of Acetaminophen can be decreased when combined with Clotrimazole. The risk or severity of adverse effects can be increased when Acetaminophen is combined with Atorvastatin. The metabolism of Acetaminophen can be increased when combined with Phenobarbital. The metabolism of Acetaminophen can be decreased when combined with Sulfadiazine. The metabolism of Acetaminophen can be increased when combined with Rifapentine. The serum concentration of Acetaminophen can be decreased when it is combined with Bosentan. The metabolism of Acetaminophen can be increased when combined with Rifampicin. The metabolism of Acetaminophen can be decreased when combined with Crizotinib. The risk or severity of adverse effects can be increased when Ergonovine is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Eliglustat. The metabolism of Acetaminophen can be decreased when combined with Posaconazole. 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 Telaprevir. The metabolism of Acetaminophen can be decreased when combined with Diltiazem. The risk or severity of adverse effects can be increased when Acetaminophen is combined with Sodium Nitrite. The metabolism of Acetaminophen can be increased when combined with Methohexital. The metabolism of Acetaminophen can be decreased when combined with Doxycycline. 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 Quinidine. The metabolism of Acetaminophen can be decreased when combined with Delavirdine. The metabolism of Acetaminophen can be decreased when combined with Tranylcypromine. The metabolism of Acetaminophen can be decreased when combined with Lumefantrine. The metabolism of Acetaminophen can be decreased when combined with Trimethoprim. The metabolism of Acetaminophen can be decreased when combined with Ketoconazole. The metabolism of Acetaminophen can be decreased when combined with Ticagrelor. The metabolism of Acetaminophen can be decreased when combined with Methadone. The metabolism of Acetaminophen can be decreased when combined with Ticlopidine. The metabolism of Acetaminophen can be decreased when combined with Azithromycin. The serum concentration of Simvastatin can be increased when it is combined with Acetaminophen. The serum concentration of Acetaminophen can be increased when it is combined with Palbociclib. The metabolism of Acetaminophen can be decreased when combined with Clozapine. Acetaminophen may increase the anticoagulant activities of Phenprocoumon. The serum concentration of Aripiprazole can be decreased when it is combined with Acetaminophen. Ethanol may increase the hepatotoxic activities of Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Valproic Acid. The metabolism of Acetaminophen can be decreased when combined with Cholecalciferol. The metabolism of Acetaminophen can be decreased when combined with Betaxolol. The metabolism of Acetaminophen can be decreased when combined with Rolapitant. The metabolism of Acetaminophen can be decreased when combined with Promazine. The serum concentration of Acetaminophen can be increased when it is combined with Fosaprepitant. The serum concentration of Pitavastatin can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Ritonavir. The serum concentration of Colchicine can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Fluconazole. The metabolism of Acetaminophen can be decreased when combined with Clobazam. The risk or severity of adverse effects can be increased when Cabergoline is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Celecoxib. The serum concentration of Acetaminophen can be increased when it is combined with Luliconazole. The serum concentration of Vincristine can be increased when it is combined with Acetaminophen.