
Drugs Having No Clinically Important Interactions with Aripiprazole (Abilify): Based on pharmacokinetic studies, no dosage adjustment of Aripiprazole (Abilify) is required when administered concomitantly with famotidine, valproate, lithium, lorazepam.
In addition, no dosage adjustment is necessary for substrates of CYP2D6 (e.g., dextromethorphan, fluoxetine, paroxetine, or venlafaxine), CYP2C9 (e.g., warfarin), CYP2C19 (e.g., omeprazole, warfarin, escitalopram), or CYP3A4 (e.g., dextromethorphan) when co-administered with Aripiprazole (Abilify). Additionally, no dosage adjustment is necessary for valproate, lithium, lamotrigine, lorazepam, or sertraline when co-administered with Aripiprazole (Abilify) [see Pharmacology: Pharmacokinetics under Actions].