NDAINJECTIONINJECTABLE
Approved
Dec 1957
Lifecycle
LOE Approaching
Competitive Pressure
30/100
Clinical Trials
4
Data completeness
4/8 — Partial
BENADRYL PRESERVATIVE FREE (diphenhydramine hydrochloride) by Johnson & Johnson is clinical pharmacology diphenhydramine hydrochloride is an antihistamine with anticholinergic (drying) and sedative side effects. Approved for nasal congestion, pain. First approved in 1957.
Drug data last refreshed 21h 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…
Indications (2)
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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.