Answer
After oral cinnarizine + dimenhydrinate, cinnarizine and diphenhydramine reach maximum plasma concentrations in humans within 2–4 hours.
Sources for this answer
- Cinnarizine/Dimenhydrinate 20 mg/40 mg tabletsBrown & Burk UK Ltd · emc · SmPC §5.2 Pharmacokinetic properties · Version 1Document updated
Sources checked