United States · FDA National Drug Code directory
Allergy Medicine
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
- 63981-329_87e7d8ca-ee63-4f68-ae33-aafb9c670b2e
- Product NDC
- 63981-329
- Form
- TABLET, FILM COATED
- Composition / generic term
- Diphenhydramine HCl
- Labeler
- COSTCO WHOLESALE CORPORATION
- Marketing category
- OTC MONOGRAPH DRUG
- Marketing start / end (source format)
- 19900302
- Source listing expiry
- 20271231
Source-listed ingredients
- DIPHENHYDRAMINE HYDROCHLORIDE — 25 mg/1
These values do not establish equivalence or a dose recommendation.
Packages
- 600 TABLET, FILM COATED in 1 BOTTLE, PLASTIC (63981-329-78) · 63981-329-78
Source and coverage
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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.
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