The metabolism of Acetaminophen can be decreased when combined with Chlorpromazine. 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 Methotrimeprazine. The serum concentration of Vincristine can be increased when it is combined with Acetaminophen. The risk or severity of adverse effects can be increased when Isoniazid is combined with Acetaminophen. The serum concentration of Rosuvastatin can be increased when it is combined with Acetaminophen. The serum concentration of Acetaminophen can be increased when it is combined with Panobinostat. The metabolism of Acetaminophen can be decreased when combined with Valsartan. The metabolism of Acetaminophen can be decreased when combined with Rucaparib. The metabolism of Acetaminophen can be decreased when combined with Ziprasidone. The serum concentration of Ubidecarenone can be increased when it 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 Mirabegron. The risk or severity of adverse effects can be increased when Ergonovine is combined with Acetaminophen. The risk or severity of adverse effects can be increased when Acetaminophen is combined with Prilocaine. The serum concentration of Acetaminophen can be increased when it is combined with Ceritinib. Acetaminophen may increase the anticoagulant activities of Phenprocoumon. The serum concentration of Prucalopride can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Lidocaine. The metabolism of Acetaminophen can be decreased when combined with Lopinavir. The metabolism of Acetaminophen can be decreased when combined with Rabeprazole. The risk or severity of adverse effects can be increased when Lisuride is combined with Acetaminophen. Acetaminophen may increase the hepatotoxic activities of Sorafenib. The serum concentration of Edoxaban can be increased when it is combined with Acetaminophen. The serum concentration of Acetaminophen can be increased when it is combined with Palbociclib. The serum concentration of Conivaptan can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be increased when combined with Barbexaclone. The metabolism of Acetaminophen can be decreased when combined with Tipranavir. The metabolism of Acetaminophen can be increased when combined with Primidone. The metabolism of Acetaminophen can be decreased when combined with Lobeglitazone. The serum concentration of Acetaminophen can be decreased when it is combined with Tocilizumab. 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 Amiodarone. The metabolism of Acetaminophen can be decreased when combined with Bupropion. The metabolism of Acetaminophen can be decreased when combined with Citalopram. Acetaminophen may increase the anticoagulant activities of Fluindione. The serum concentration of Acetaminophen can be increased when it is combined with Netupitant. The metabolism of Acetaminophen can be decreased when combined with Imipramine. Acetaminophen may increase the hepatotoxic activities of Mipomersen. The serum concentration of Ledipasvir can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Capecitabine. Acetaminophen may increase the hepatotoxic activities of Dasatinib. The risk or severity of adverse effects can be increased when Methylergometrine is combined with Acetaminophen. The serum concentration of Bosutinib can be increased when it is combined with Acetaminophen. The serum concentration of Acetaminophen can be increased when it is combined with Aprepitant. The serum concentration of Colchicine can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Lorcaserin. The metabolism of Acetaminophen can be decreased when combined with Promazine. The serum concentration of Acetaminophen can be decreased when it is combined with Teriflunomide. The metabolism of Acetaminophen can be decreased when combined with Itraconazole. The metabolism of Acetaminophen can be decreased when combined with Lumefantrine. The metabolism of Acetaminophen can be decreased when combined with Delavirdine. The serum concentration of Acetaminophen can be decreased when it is combined with Peginterferon alfa-2b. The serum concentration of Saxagliptin can be decreased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Nefazodone. The serum concentration of Acetaminophen can be decreased when it is combined with Phenytoin. The metabolism of Acetaminophen can be decreased when combined with Clarithromycin. The metabolism of Acetaminophen can be decreased when combined with Rosiglitazone. The metabolism of Acetaminophen can be decreased when combined with Saquinavir. The metabolism of Acetaminophen can be decreased when combined with Tranylcypromine. Acetaminophen may increase the anticoagulant activities of Phenindione. The metabolism of Acetaminophen can be decreased when combined with Clotrimazole. The metabolism of Acetaminophen can be decreased when combined with Erythromycin. The metabolism of Acetaminophen can be decreased when combined with Omeprazole. The metabolism of Acetaminophen can be decreased when combined with Diphenhydramine. 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 Nelfinavir. The metabolism of Acetaminophen can be decreased when combined with Manidipine. The metabolism of Acetaminophen can be decreased when combined with Sulfadiazine. The serum concentration of Acetaminophen can be decreased when it is combined with Dabrafenib. The metabolism of Acetaminophen can be decreased when combined with Haloperidol. The serum concentration of Pravastatin can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be increased when combined with Pentobarbital. The serum concentration of Doxorubicin can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Atazanavir. The metabolism of Acetaminophen can be increased when combined with Hexobarbital. The serum concentration of Acetaminophen can be increased when it is combined with Ivacaftor. The metabolism of Acetaminophen can be decreased when combined with Midostaurin. The serum concentration of Cerivastatin can be increased when it is combined with Acetaminophen. The serum concentration of Mevastatin can be increased when it is combined with Acetaminophen. The serum concentration of Everolimus can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Fluorouracil. The serum concentration of Ibrutinib can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Sulfisoxazole. The metabolism of Acetaminophen can be decreased when combined with Paroxetine. The metabolism of Acetaminophen can be decreased when combined with Dronedarone. The serum concentration of Acetaminophen can be decreased when it is combined with Cyproterone acetate. The risk or severity of adverse effects can be increased when Bromocriptine is combined with Acetaminophen. The metabolism of Acetaminophen can be increased when combined with Thiopental. The metabolism of Acetaminophen can be decreased when combined with Clomipramine. The metabolism of Acetaminophen can be increased when combined with Methylphenobarbital. The serum concentration of Acetaminophen can be increased when it is combined with Lumacaftor. The risk or severity of adverse effects can be increased when Dapsone is combined with Acetaminophen. The serum concentration of Phenylephrine can be increased when it 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 metabolism of Acetaminophen can be decreased when combined with Fluvastatin. The serum concentration of Rilpivirine can be increased when it is combined with Acetaminophen. The metabolism of Acetaminophen can be decreased when combined with Artemether. The metabolism of Acetaminophen can be decreased when combined with Fosamprenavir. The serum concentration of Topotecan can be increased when it is combined with Acetaminophen. The serum concentration of Acetaminophen can be decreased when it is combined with Deferasirox. The metabolism of Acetaminophen can be decreased when combined with Dosulepin. The metabolism of Acetaminophen can be decreased when combined with Cocaine. The metabolism of Acetaminophen can be increased when combined with Carbamazepine. The metabolism of Acetaminophen can be decreased when combined with Telaprevir. The metabolism of Acetaminophen can be decreased when combined with Desipramine. Acetaminophen may increase the hepatotoxic activities of Imatinib. The risk or severity of adverse effects can be increased when Pergolide 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 increased when combined with Amobarbital. The metabolism of Acetaminophen can be increased when combined with Nevirapine. 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 increased when combined with Rifapentine. The serum concentration of Acetaminophen can be increased when it is combined with Abiraterone. The metabolism of Acetaminophen can be decreased when combined with Ticlopidine. The metabolism of Acetaminophen can be decreased when combined with Quinidine. The risk or severity of adverse effects can be increased when Lysergic Acid Diethylamide is combined with Acetaminophen. The serum concentration of Acetaminophen can be decreased when it is combined with Siltuximab. The metabolism of Acetaminophen can be decreased when combined with Sulfamethoxazole. The serum concentration of Acetaminophen can be increased when it is combined with Metyrapone. Acetaminophen may increase the anticoagulant activities of Acenocoumarol. Acetaminophen may increase the anticoagulant activities of Ethyl biscoumacetate. The metabolism of Acetaminophen can be increased when combined with Thiamylal. The metabolism of Acetaminophen can be decreased when combined with Caffeine. The serum concentration of Acetaminophen can be decreased when it is combined with Enzalutamide. The serum concentration of Acetaminophen can be increased when it is combined with Darunavir. The metabolism of Acetaminophen can be decreased when combined with Floxuridine. The metabolism of Acetaminophen can be decreased when combined with Tolbutamide. The metabolism of Acetaminophen can be increased when combined with Barbital.