United States · FDA National Drug Code directory
Allergy Relief
A source-listed medicine record.
Factual source checks only. This page is not a clinically reviewed monograph. Historical or discontinued records may be included; listing does not confirm approval, current availability or pharmacy stock.
Medicine identity
- Source reference
- 37808-590_24ff0b3b-4b09-5c0e-e063-6394a90ae140
- Product NDC
- 37808-590
- Form
- TABLET, COATED
- Composition / generic term
- DIPHENHYDRAMINE HYDROCHLORIDE
- Labeler
- HEB
- Marketing category
- OTC MONOGRAPH DRUG
- Marketing start / end (source format)
- 20210329
- Source listing expiry
- 20261231
Source-listed ingredients
- DIPHENHYDRAMINE HYDROCHLORIDE — 25 mg/1
These values do not establish equivalence or a dose recommendation.
Packages
- 4 BLISTER PACK in 1 CARTON (37808-590-02) / 12 TABLET, COATED in 1 BLISTER PACK · 37808-590-02
- 1 BOTTLE, PLASTIC in 1 CARTON (37808-590-03) / 100 TABLET, COATED in 1 BOTTLE, PLASTIC · 37808-590-03
Source and coverage
Open FDA National Drug Code directory →
Snapshot retrieved: 2026-09-17. This is the acquisition date, not a medical review date.
Clinical information, images and comparisons appear only when separately reviewed for this record. Coverage may be incomplete. Ask a pharmacist or clinician about your treatment.
Browse United States records →