Cariprazine and Ranolazine interaction
Cariprazine and Ranolazine: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Cariprazine (Vraylar) label · effective 2025-12-18
Clinically Significant Drug Interactions with VRAYLAR Strong or Moderate CYP3A4 Inhibitors Clinical Impact: Concomitant use of VRAYLAR with a strong or moderate CYP3A4 inhibitor increases the exposures of cariprazine and its major active metabolite, didesmethylcariprazine (DDCAR), compared to use of VRAYLAR alone [see Clinical Pharmacology ( 12.3 ) ].
Intervention: If VRAYLAR is used with a strong or moderate CYP3A4 inhibitor, reduce VRAYLAR dosage [see D osage and A dministration ( 2.6 ) ] .
Strong and Moderate CYP3A4 inhibitors: Reduce VRAYLAR dosage ( 2.6 , 7 )
From the Ranolazine (ASPRUZYO SPRINKLE) label · effective 2025-01-29
Drugs Metabolized by CYP2D6 The exposure to CYP2D6 substrates, such as tricyclic antidepressants and antipsychotics, may be increased during co-administration with ASPRUZYO Sprinkle, and lower doses of these drugs may be required.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.