The metabolism of Bupropion can be decreased when combined with Clarithromycin. The therapeutic efficacy of Clarithromycin can be decreased when used in combination with Alpha-1-proteinase inhibitor. The serum concentration of Bedaquiline can be increased when it is combined with Clarithromycin. The metabolism of Clarithromycin can be decreased when combined with Zucapsaicin. The metabolism of Clomipramine can be decreased when combined with Clarithromycin. The serum concentration of Quetiapine can be increased when it is combined with Clarithromycin. The metabolism of Bexarotene can be decreased when combined with Clarithromycin. The serum concentration of Zuclopenthixol can be increased when it is combined with Clarithromycin. The metabolism of Clofibrate can be decreased when combined with Clarithromycin. The metabolism of Diltiazem can be decreased when combined with Clarithromycin. The metabolism of Vinblastine can be decreased when combined with Clarithromycin. The metabolism of Zalcitabine can be decreased when combined with Clarithromycin. The serum concentration of Terfenadine can be increased when it is combined with Clarithromycin. The metabolism of Letrozole can be decreased when combined with Clarithromycin. Protriptyline may increase the QTc-prolonging activities of Clarithromycin. The serum concentration of Bortezomib can be increased when it is combined with Clarithromycin. The serum concentration of Hydrocodone can be increased when it is combined with Clarithromycin. The serum concentration of Anecortave can be increased when it is combined with Clarithromycin. Isoflurane may increase the QTc-prolonging activities of Clarithromycin. The serum concentration of Medroxyprogesterone acetate can be increased when it is combined with Clarithromycin. The serum concentration of Clarithromycin can be decreased when it is combined with Enzalutamide. The serum concentration of Tolterodine can be increased when it is combined with Clarithromycin. The serum concentration of Simvastatin can be increased when it is combined with Clarithromycin. The metabolism of Rimonabant can be decreased when combined with Clarithromycin. The metabolism of Celiprolol can be decreased when combined with Clarithromycin. Chlorpromazine may increase the QTc-prolonging activities of Clarithromycin. The metabolism of Amitriptyline can be decreased when combined with Clarithromycin. The therapeutic efficacy of Clarithromycin can be decreased when used in combination with Faldaprevir. The metabolism of Zaleplon can be decreased when combined with Clarithromycin. The metabolism of Chlorzoxazone can be decreased when combined with Clarithromycin. The metabolism of Prasterone can be decreased when combined with Clarithromycin. The serum concentration of Flurandrenolide can be increased when it is combined with Clarithromycin. The therapeutic efficacy of Clarithromycin can be decreased when used in combination with Ramipril. The serum concentration of Alfuzosin can be increased when it is combined with Clarithromycin. The metabolism of Benzphetamine can be decreased when combined with Clarithromycin. The therapeutic efficacy of Clarithromycin can be decreased when used in combination with Saxagliptin. The metabolism of Galantamine can be decreased when combined with Clarithromycin. The serum concentration of Macitentan can be increased when it is combined with Clarithromycin. The metabolism of Clopidogrel can be decreased when combined with Clarithromycin. The metabolism of Fulvestrant can be decreased when combined with Clarithromycin. The metabolism of Famciclovir can be decreased when combined with Clarithromycin. The metabolism of Etoricoxib can be decreased when combined with Clarithromycin. The metabolism of Dorzolamide can be decreased when combined with Clarithromycin. The therapeutic efficacy of Clarithromycin can be decreased when used in combination with Ulinastatin. Promethazine may increase the QTc-prolonging activities of Clarithromycin. The serum concentration of Brentuximab vedotin can be increased when it is combined with Clarithromycin. The serum concentration of Aldosterone can be increased when it is combined with Clarithromycin. Amoxapine may increase the QTc-prolonging activities of Clarithromycin. The metabolism of Ropinirole can be decreased when combined with Clarithromycin. The metabolism of Clarithromycin can be decreased when combined with Eslicarbazepine acetate. The metabolism of Esomeprazole can be decreased when combined with Clarithromycin. The serum concentration of Sildenafil can be increased when it is combined with Clarithromycin. The metabolism of Ethosuximide can be decreased when combined with Clarithromycin. The metabolism of Apremilast can be decreased when combined with Clarithromycin. The metabolism of Estrone sulfate can be decreased when combined with Clarithromycin. The serum concentration of the active metabolites of Iloperidone can be increased when Iloperidone is used in combination with Clarithromycin. The metabolism of Clarithromycin can be decreased when combined with Ketoconazole. The metabolism of Mirabegron can be decreased when combined with Clarithromycin. Clarithromycin may increase the QTc-prolonging activities of Tetrabenazine. The metabolism of Sulfinpyrazone can be decreased when combined with Clarithromycin. The metabolism of Flutamide can be decreased when combined with Clarithromycin. The metabolism of Norethisterone can be decreased when combined with Clarithromycin. The serum concentration of Fluocinolone Acetonide can be increased when it is combined with Clarithromycin. The metabolism of Etoposide can be decreased when combined with Clarithromycin. The metabolism of Busulfan can be decreased when combined with Clarithromycin. Clarithromycin may increase the QTc-prolonging activities of Procainamide. The therapeutic efficacy of Clarithromycin can be decreased when used in combination with 4-(2-Aminoethyl)Benzenesulfonyl Fluoride. The serum concentration of Prednisone can be increased when it is combined with Clarithromycin. The serum concentration of Eletriptan can be increased when it is combined with Clarithromycin. The metabolism of Sunitinib can be decreased when combined with Clarithromycin. The metabolism of Brompheniramine can be decreased when combined with Clarithromycin. The metabolism of Voxilaprevir can be decreased when combined with Clarithromycin. The metabolism of Salmeterol can be decreased when combined with Clarithromycin. The metabolism of Nortriptyline can be decreased when combined with Clarithromycin. Pasireotide may increase the QTc-prolonging activities of Clarithromycin. The therapeutic efficacy of Clarithromycin can be decreased when used in combination with Cilazapril. The metabolism of Prenylamine can be decreased when combined with Clarithromycin. The serum concentration of HE3286 can be increased when it is combined with Clarithromycin. The metabolism of Clarithromycin can be decreased when combined with Topiramate. The serum concentration of Nilotinib can be increased when it is combined with Clarithromycin. The serum concentration of Corticosterone can be increased when it is combined with Clarithromycin. The serum concentration of Ulobetasol can be increased when it is combined with Clarithromycin. The metabolism of Desvenlafaxine can be decreased when combined with Clarithromycin. The serum concentration of Boceprevir can be increased when it is combined with Clarithromycin. The metabolism of Pomalidomide can be decreased when combined with Clarithromycin. The risk or severity of adverse effects can be increased when Metergoline is combined with Clarithromycin. Ofloxacin may increase the QTc-prolonging activities of Clarithromycin. The serum concentration of Clarithromycin can be decreased when it is combined with Dabrafenib. The metabolism of Ambrisentan can be decreased when combined with Clarithromycin. The metabolism of Carvedilol can be decreased when combined with Clarithromycin. The metabolism of Amrinone can be decreased when combined with Clarithromycin. The metabolism of Fendiline can be decreased when combined with Clarithromycin. The serum concentration of Androstenedione can be increased when it is combined with Clarithromycin. The serum concentration of Silodosin can be increased when it is combined with Clarithromycin. Formoterol may increase the QTc-prolonging activities of Clarithromycin. The serum concentration of Cabozantinib can be increased when it is combined with Clarithromycin. The serum concentration of Oleoyl-estrone can be increased when it is combined with Clarithromycin. Flecainide may increase the QTc-prolonging activities of Clarithromycin. The therapeutic efficacy of Clarithromycin can be decreased when used in combination with Apixaban. The serum concentration of Imidafenacin can be increased when it is combined with Clarithromycin. The therapeutic efficacy of Clarithromycin can be decreased when used in combination with Argatroban. Terbutaline may increase the QTc-prolonging activities of Clarithromycin. The metabolism of Indapamide can be decreased when combined with Clarithromycin. The metabolism of Ketobemidone can be decreased when combined with Clarithromycin. The metabolism of Cyclobenzaprine can be decreased when combined with Clarithromycin. The metabolism of Clorazepate can be decreased when combined with Clarithromycin. The serum concentration of Clarithromycin can be increased when it is combined with Fusidic Acid. The metabolism of Canagliflozin can be decreased when combined with Clarithromycin. The metabolism of Ergonovine can be decreased when combined with Clarithromycin. The therapeutic efficacy of Clarithromycin can be decreased when used in combination with Ubenimex. The metabolism of Chlordiazepoxide can be decreased when combined with Clarithromycin. The serum concentration of Salmeterol can be increased when it is combined with Clarithromycin. The serum concentration of 19-norandrostenedione can be increased when it is combined with Clarithromycin. The serum concentration of Maraviroc can be increased when it is combined with Clarithromycin. The metabolism of Tinidazole can be decreased when combined with Clarithromycin. The therapeutic efficacy of Clarithromycin can be decreased when used in combination with Omapatrilat. The serum concentration of the active metabolites of Clarithromycin can be increased when Clarithromycin is used in combination with Phenobarbital. The metabolism of Cocaine can be decreased when combined with Clarithromycin. The serum concentration of the active metabolites of Prasugrel can be reduced when Prasugrel is used in combination with Clarithromycin resulting in a loss in efficacy. The metabolism of Cephalexin can be decreased when combined with Clarithromycin. The therapeutic efficacy of Clarithromycin can be decreased when used in combination with 3,4-Dichloroisocoumarin. The serum concentration of Quinine can be increased when it is combined with Clarithromycin. The metabolism of Enasidenib can be decreased when combined with Clarithromycin. The metabolism of Gefitinib can be decreased when combined with Clarithromycin. The serum concentration of Alprazolam can be increased when it is combined with Clarithromycin. The risk or severity of adverse effects can be increased when Methysergide is combined with Clarithromycin. The therapeutic efficacy of Clarithromycin can be decreased when used in combination with Amprenavir. The metabolism of Podofilox can be decreased when combined with Clarithromycin. The therapeutic efficacy of Clarithromycin can be decreased when used in combination with Sarilumab. The metabolism of Banoxantrone can be decreased when combined with Clarithromycin.