Data completeness
3/8 — Basic
BENYLIN (diphenhydramine hydrochloride) by Pfizer is clinical pharmacology diphenhydramine hydrochloride is an antihistamine with anticholinergic (drying) and sedative side effects. Approved for systemic lupus erythematosus, childhood idiopathic nephrotic syndrome, nasal congestion and 6 more indications.
Drug data last refreshed 2w ago
Mechanism of Action
CLINICAL PHARMACOLOGY Diphenhydramine hydrochloride is an antihistamine with anticholinergic (drying) and sedative side effects. Antihistamines appear to compete with histamine for cell receptor sites on effector cells. Diphenhydramine hydrochloride in the injectable form has a rapid onset of…
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Data Sources
- Drug label: DailyMed / FDA
- Clinical trials: ClinicalTrials.gov
- Patent data: FDA Orange Book
- Spending data: CMS Medicare
The information on this page is for informational purposes only and should not be used as a substitute for professional medical advice. Drug information is sourced from FDA, DailyMed, and other government databases. Adverse event data from FAERS does not establish causation. Always consult a healthcare professional for medical decisions.