Answer
For the Flamingo Pharma (UK) Ltd product, oral diphenhydramine hydrochloride 25 mg tablets, the elimination half-life is 2.4–9.3 hours in healthy adults, while the terminal elimination half-life is prolonged in liver cirrhosis.
Sources for this answer
- Diphenhydramine Hydrochloride 25 mg Tablets 20's (P) (PL 43461/0065)Flamingo Pharma (UK) Ltd · emc · SmPC §5.2 Pharmacokinetic properties · Version 3Document updated
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