The serum concentration of Diclofenac can be increased when it is combined with Fluorouracil. The therapeutic efficacy of Alprostadil can be decreased when used in combination with Diclofenac. Diclofenac may increase the anticoagulant activities of Phenprocoumon. The metabolism of Diclofenac can be decreased when combined with Efavirenz. The therapeutic efficacy of Lubiprostone can be decreased when used in combination with Diclofenac. Colesevelam can cause a decrease in the absorption of Diclofenac resulting in a reduced serum concentration and potentially a decrease in efficacy. The metabolism of Diclofenac can be decreased when combined with Chloramphenicol. The risk or severity of adverse effects can be increased when Quinapril is combined with Diclofenac. The risk or severity of adverse effects can be increased when Diclofenac is combined with Droxicam. The metabolism of Diclofenac can be decreased when combined with Isradipine. Diclofenac may decrease the antihypertensive activities of Practolol. The risk or severity of adverse effects can be increased when Azilsartan medoxomil is combined with Diclofenac. The serum concentration of Bosutinib can be increased when it is combined with Diclofenac. The risk or severity of adverse effects can be increased when Diclofenac is combined with Acetylsalicylic acid. The risk or severity of adverse effects can be increased when Diclofenac is combined with Andrographolide. Diclofenac may increase the anticoagulant activities of Dextran 70. The risk or severity of adverse effects can be increased when Diclofenac is combined with Ibuproxam. The risk or severity of adverse effects can be increased when Treprostinil is combined with Diclofenac. Diclofenac may increase the anticoagulant activities of Heparin. Diclofenac may decrease the excretion rate of Sabarubicin which could result in a higher serum level. The metabolism of Diclofenac can be decreased when combined with Topiroxostat. The risk or severity of adverse effects can be increased when Diclofenac is combined with Curcumin. Colestipol can cause a decrease in the absorption of Diclofenac resulting in a reduced serum concentration and potentially a decrease in efficacy. Diclofenac may decrease the antihypertensive activities of Timolol. The metabolism of Diclofenac can be decreased when combined with Atomoxetine. The metabolism of Diclofenac can be decreased when combined with Clopidogrel. The serum concentration of Diclofenac can be decreased when it is combined with Mitotane. The risk or severity of adverse effects can be increased when Diclofenac is combined with Loteprednol. The risk or severity of adverse effects can be increased when Diclofenac is combined with Serrapeptase. The metabolism of Diclofenac can be decreased when combined with Lobeglitazone. The risk or severity of adverse effects can be increased when Diclofenac is combined with Nepafenac. The metabolism of Diclofenac can be decreased when combined with Boceprevir. The risk or severity of adverse effects can be increased when Diclofenac is combined with Prasterone sulfate. The serum concentration of Ranolazine can be increased when it is combined with Diclofenac. Diclofenac may increase the anticoagulant activities of Enoxaparin. The metabolism of Diclofenac can be decreased when combined with Venlafaxine. The risk or severity of adverse effects can be increased when Diclofenac is combined with Nabumetone. The risk or severity of adverse effects can be increased when Diclofenac is combined with ME-609. Cholestyramine can cause a decrease in the absorption of Diclofenac resulting in a reduced serum concentration and potentially a decrease in efficacy. The risk or severity of adverse effects can be increased when Diclofenac is combined with Dexamethasone. The metabolism of Diclofenac can be decreased when combined with Sulfamethoxazole. The risk or severity of adverse effects can be increased when Diclofenac is combined with Carbaspirin calcium. The serum concentration of Diclofenac can be decreased when it is combined with Carbamazepine. The risk or severity of adverse effects can be increased when Diclofenac is combined with Beclomethasone dipropionate. The therapeutic efficacy of Unoprostone can be decreased when used in combination with Diclofenac. The metabolism of Diclofenac can be increased when combined with Pentobarbital. The risk or severity of adverse effects can be increased when Dexketoprofen is combined with Diclofenac. The risk or severity of adverse effects can be increased when Diclofenac is combined with Ketorolac. Diclofenac may increase the neuroexcitatory activities of Prulifloxacin. The risk or severity of adverse effects can be increased when Diclofenac is combined with Indoprofen. The serum concentration of Diclofenac can be increased when it is combined with Amiodarone. The metabolism of Diclofenac can be decreased when combined with Valproic Acid. The serum concentration of Diclofenac can be increased when it is combined with Dasatinib. The metabolism of Diclofenac can be decreased when combined with Desipramine. The risk or severity of adverse effects can be increased when Diclofenac is combined with Atamestane. The risk or severity of adverse effects can be increased when Diclofenac is combined with Benoxaprofen. The risk or severity of adverse effects can be increased when Morniflumate is combined with Diclofenac. The risk or severity of adverse effects can be increased when Diclofenac is combined with Sulfasalazine. The serum concentration of Pazopanib can be increased when it is combined with Diclofenac. The risk or severity of adverse effects can be increased when Diclofenac is combined with Piroxicam. Diclofenac may decrease the excretion rate of Spectinomycin which could result in a higher serum level. Diclofenac may increase the anticoagulant activities of Edetic Acid. Diclofenac may decrease the antihypertensive activities of Carteolol. The therapeutic efficacy of Indapamide can be decreased when used in combination with Diclofenac. Diclofenac may decrease the excretion rate of Aclarubicin which could result in a higher serum level. The risk or severity of adverse effects can be increased when Diclofenac is combined with Pamidronate. The risk or severity of adverse effects can be increased when Diclofenac is combined with Celecoxib. The metabolism of Diclofenac can be decreased when combined with Azithromycin. The metabolism of Diclofenac can be decreased when combined with Mexiletine. The risk or severity of adverse effects can be increased when Diclofenac is combined with Formestane. Diclofenac may decrease the diuretic activities of Torasemide. Diclofenac may increase the anticoagulant activities of Phenindione. Diclofenac may decrease the excretion rate of SP1049C which could result in a higher serum level. The risk or severity of adverse effects can be increased when Diclofenac is combined with Carprofen. The risk or severity of adverse effects can be increased when Spirapril is combined with Diclofenac. Diclofenac may increase the anticoagulant activities of Danaparoid. The risk or severity of adverse effects can be increased when Diclofenac is combined with Alclometasone. The risk or severity of adverse effects can be increased when Diclofenac is combined with Cortisone acetate. The metabolism of Diclofenac can be decreased when combined with Crizotinib. The serum concentration of Diclofenac can be increased when it is combined with Dosulepin. The metabolism of Diclofenac can be decreased when combined with Atazanavir. The therapeutic efficacy of Bendroflumethiazide can be decreased when used in combination with Diclofenac. The metabolism of Diclofenac can be decreased when combined with Imatinib. The risk or severity of adverse effects can be increased when Diclofenac is combined with Parecoxib. The serum concentration of Pralatrexate can be increased when it is combined with Diclofenac. The risk or severity of adverse effects can be increased when Diclofenac is combined with Naftifine. The serum concentration of Diclofenac can be increased when it is combined with Fluconazole. Diclofenac may decrease the excretion rate of Daunorubicin which could result in a higher serum level. The risk or severity of adverse effects can be increased when Diclofenac is combined with Clonixin. Diclofenac may decrease the antihypertensive activities of Esmolol. The metabolism of Diclofenac can be decreased when combined with Cobicistat. The metabolism of Diclofenac can be decreased when combined with Olaparib. The risk or severity of adverse effects can be increased when Diclofenac is combined with Equilenin. The risk or severity of bleeding can be increased when Betrixaban is combined with Diclofenac. Diclofenac may decrease the diuretic activities of Etacrynic acid. The metabolism of Diclofenac can be decreased when combined with Clotrimazole. The risk or severity of adverse effects can be increased when Diclofenac is combined with Salsalate. The serum concentration of Diclofenac can be increased when it is combined with Fusidic Acid. Diclofenac may decrease the diuretic activities of Furosemide. The risk or severity of adverse effects can be increased when Diclofenac is combined with Prednisone. The risk or severity of adverse effects can be increased when Diclofenac is combined with Desoxycorticosterone Pivalate. The risk or severity of adverse effects can be increased when Diclofenac is combined with E-6201. The serum concentration of Diclofenac can be increased when it is combined with Netupitant. The risk or severity of adverse effects can be increased when Diclofenac is combined with Prednicarbate. Diclofenac may increase the anticoagulant activities of Fondaparinux sodium. The metabolism of Diclofenac can be decreased when combined with Zucapsaicin. The serum concentration of Edoxaban can be increased when it is combined with Diclofenac. The metabolism of Diclofenac can be decreased when combined with Pioglitazone. The risk or severity of adverse effects can be increased when Omapatrilat is combined with Diclofenac. The risk or severity of adverse effects can be increased when Diclofenac is combined with Omacetaxine mepesuccinate. The therapeutic efficacy of Trichlormethiazide can be decreased when used in combination with Diclofenac. The metabolism of Diclofenac can be decreased when combined with Manidipine. The metabolism of Diclofenac can be decreased when combined with Erythromycin. The metabolism of Diclofenac can be decreased when combined with Rosiglitazone. The risk or severity of adverse effects can be increased when Diclofenac is combined with Mometasone. The therapeutic efficacy of Polythiazide can be decreased when used in combination with Diclofenac. The metabolism of Diclofenac can be decreased when combined with Crisaborole. Diclofenac may decrease the antihypertensive activities of Landiolol. The metabolism of Diclofenac can be decreased when combined with Modafinil. The metabolism of Diclofenac can be decreased when combined with Dihydroergotamine. The serum concentration of Diclofenac can be decreased when it is combined with Rifapentine. Diclofenac may increase the anticoagulant activities of Pentosan Polysulfate. The serum concentration of Diclofenac can be increased when it is combined with Mifepristone. The risk or severity of adverse effects can be increased when Diclofenac is combined with Prednisolone. Diclofenac may increase the neuroexcitatory activities of Enoxacin. The serum concentration of Diclofenac can be increased when it is combined with Abiraterone. The serum concentration of Conivaptan can be increased when it is combined with Diclofenac. The risk or severity of adverse effects can be increased when Diclofenac is combined with Clobetasol propionate. The metabolism of Diclofenac can be decreased when combined with Dronedarone. The serum concentration of Diclofenac can be increased when it is combined with Midostaurin.