Perflutren may increase the QTc-prolonging activities of Granisetron. The metabolism of Granisetron can be decreased when combined with Delavirdine. Granisetron may increase the serotonergic activities of Lorcaserin. Granisetron may increase the QTc-prolonging activities of Paliperidone. Oxytocin may increase the QTc-prolonging activities of Granisetron. The metabolism of Granisetron can be increased when combined with Carbamazepine. The metabolism of Granisetron can be decreased when combined with Paroxetine. Mefloquine may increase the QTc-prolonging activities of Granisetron. Granisetron may increase the QTc-prolonging activities of Pazopanib. Granisetron may increase the serotonergic activities of Duloxetine. Famotidine may increase the QTc-prolonging activities of Granisetron. The serum concentration of Granisetron can be increased when it is combined with Mifepristone. The serum concentration of Granisetron can be decreased when it is combined with Bosentan. The metabolism of Granisetron can be decreased when combined with Lopinavir. Granisetron may increase the QTc-prolonging activities of Arsenic trioxide. The metabolism of Granisetron can be increased when combined with Nevirapine. The metabolism of Granisetron can be decreased when combined with Ropinirole. Maprotiline may increase the QTc-prolonging activities of Granisetron. Tolterodine may increase the QTc-prolonging activities of Granisetron. Sulfisoxazole may increase the QTc-prolonging activities of Granisetron. Granisetron may increase the QTc-prolonging activities of Gemifloxacin. Granisetron may increase the serotonergic activities of Buspirone. Atomoxetine may increase the QTc-prolonging activities of Granisetron. Mirabegron may increase the QTc-prolonging activities of Granisetron. The metabolism of Granisetron can be decreased when combined with Ketoconazole. Olanzapine may increase the QTc-prolonging activities of Granisetron. Granisetron may increase the QTc-prolonging activities of Toremifene. The metabolism of Granisetron can be decreased when combined with Idelalisib. Sorafenib may increase the QTc-prolonging activities of Granisetron. The metabolism of Granisetron can be decreased when combined with Betaxolol. Granisetron may increase the QTc-prolonging activities of Pimozide. Clozapine may increase the QTc-prolonging activities of Granisetron. Granisetron may increase the QTc-prolonging activities of Dofetilide. Vorinostat may increase the QTc-prolonging activities of Granisetron. Goserelin may increase the QTc-prolonging activities of Granisetron. Felbamate may increase the QTc-prolonging activities of Granisetron. The serum concentration of Granisetron can be increased when it is combined with Palbociclib. The serum concentration of Granisetron can be increased when it is combined with Simeprevir. The serum concentration of Granisetron can be decreased when it is combined with Dabrafenib. The metabolism of Granisetron can be decreased when combined with Ticlopidine. The serum concentration of Conivaptan can be increased when it is combined with Granisetron. The metabolism of Granisetron can be decreased when combined with Quinine. The metabolism of Granisetron can be decreased when combined with Terbinafine. Diphenhydramine may increase the QTc-prolonging activities of Granisetron. Granisetron may increase the serotonergic activities of Ergonovine. Arformoterol may increase the QTc-prolonging activities of Granisetron. Formoterol may increase the QTc-prolonging activities of Granisetron. Fluconazole may increase the QTc-prolonging activities of Granisetron. The metabolism of Granisetron can be increased when combined with Fosphenytoin. Granisetron may increase the serotonergic activities of Citalopram. The serum concentration of Granisetron can be increased when it is combined with Luliconazole. The metabolism of Granisetron can be decreased when combined with Posaconazole. Alfuzosin may increase the QTc-prolonging activities of Granisetron. The serum concentration of the active metabolites of Fesoterodine can be increased when Fesoterodine is used in combination with Granisetron. The metabolism of Granisetron can be decreased when combined with Rucaparib. Indapamide may increase the QTc-prolonging activities of Granisetron. Granisetron may increase the serotonergic activities of Cabergoline. The metabolism of Granisetron can be decreased when combined with Clemastine. Granisetron may increase the serotonergic activities of Vortioxetine. The metabolism of Granisetron can be decreased when combined with Boceprevir. Granisetron may increase the QTc-prolonging activities of Flupentixol. The metabolism of Granisetron can be decreased when combined with Imatinib. Foscarnet may increase the QTc-prolonging activities of Granisetron. The serum concentration of Granisetron can be increased when it is combined with Fusidic Acid. Risperidone may increase the QTc-prolonging activities of Granisetron. The metabolism of Granisetron can be decreased when combined with Isoniazid. Nicardipine may increase the QTc-prolonging activities of Granisetron. Amitriptyline may increase the QTc-prolonging activities of Granisetron. Granisetron may increase the QTc-prolonging activities of Lenvatinib. Sulfamethoxazole may increase the QTc-prolonging activities of Granisetron. Thiothixene may increase the QTc-prolonging activities of Granisetron. The metabolism of Granisetron can be decreased when combined with Fluoxetine. Granisetron may increase the QTc-prolonging activities of Flecainide. Trazodone may increase the QTc-prolonging activities of Granisetron. Granisetron may increase the QTc-prolonging activities of Primaquine. Chlorpromazine may increase the QTc-prolonging activities of Granisetron. Vilanterol may increase the QTc-prolonging activities of Granisetron. The metabolism of Granisetron can be decreased when combined with Itraconazole. The metabolism of Granisetron can be increased when combined with Phenobarbital. The metabolism of Granisetron can be decreased when combined with Cimetidine. The metabolism of Granisetron can be increased when combined with Rifabutin. Pentamidine may increase the QTc-prolonging activities of Granisetron. The metabolism of Granisetron can be decreased when combined with Clobazam. Aripiprazole may increase the QTc-prolonging activities of Granisetron. Treprostinil may increase the QTc-prolonging activities of Granisetron. Leuprolide may increase the QTc-prolonging activities of Granisetron. Granisetron may increase the serotonergic activities of Milnacipran. Mifepristone may increase the QTc-prolonging activities of Granisetron. Granisetron may increase the QTc-prolonging activities of Iloperidone. Ibandronate may increase the QTc-prolonging activities of Granisetron. The serum concentration of Granisetron can be increased when it is combined with Aprepitant. Granisetron may increase the serotonergic activities of Selegiline. Venlafaxine may increase the QTc-prolonging activities of Granisetron. The serum concentration of Granisetron can be decreased when it is combined with Vemurafenib. The serum concentration of Granisetron can be increased when it is combined with Cobicistat. Ciprofloxacin may increase the QTc-prolonging activities of Granisetron. The metabolism of Granisetron can be decreased when combined with Sildenafil. Granisetron may increase the QTc-prolonging activities of Ibutilide. Galantamine may increase the QTc-prolonging activities of Granisetron. The serum concentration of Granisetron can be decreased when it is combined with Enzalutamide. The metabolism of Granisetron can be decreased when combined with Clotrimazole. Lithium may increase the QTc-prolonging activities of Granisetron. The serum concentration of Granisetron can be decreased when it is combined with St. John's Wort. Hydroxyzine may increase the QTc-prolonging activities of Granisetron. Metronidazole may increase the QTc-prolonging activities of Granisetron. Granisetron may increase the serotonergic activities of Tranylcypromine. Ranolazine may increase the QTc-prolonging activities of Granisetron. Granisetron may increase the serotonergic activities of Almotriptan. The metabolism of Granisetron can be decreased when combined with Isavuconazonium. Granisetron may increase the serotonergic activities of Tedizolid Phosphate. Granisetron may increase the serotonergic activities of Pethidine. The metabolism of Granisetron can be decreased when combined with Manidipine. Sunitinib may increase the QTc-prolonging activities of Granisetron. Nortriptyline may increase the QTc-prolonging activities of Granisetron. Granisetron may increase the QTc-prolonging activities of Clarithromycin. Isoflurane may increase the QTc-prolonging activities of Granisetron. Trimethoprim may increase the QTc-prolonging activities of Granisetron. Granisetron may increase the QTc-prolonging activities of Crizotinib. The metabolism of Granisetron can be decreased when combined with Cinacalcet. The metabolism of Granisetron can be decreased when combined with Cholecalciferol. Norfloxacin may increase the QTc-prolonging activities of Granisetron. The metabolism of Granisetron can be decreased when combined with Cocaine. The serum concentration of Metoprolol can be increased when it is combined with Granisetron. Granisetron may increase the serotonergic activities of Ergotamine. The risk or severity of adverse effects can be increased when Dapoxetine is combined with Granisetron. Solifenacin may increase the QTc-prolonging activities of Granisetron. Salmeterol may increase the QTc-prolonging activities of Granisetron. Granisetron may increase the serotonergic activities of Sumatriptan. Imipramine may increase the QTc-prolonging activities of Granisetron. Moexipril may increase the QTc-prolonging activities of Granisetron.