Data / Drug companies / Diphenhydramine hydrochloride

Diphenhydramine hydrochloride: 127 companies and 341 products in the FDA NDC directory

Updated November 6, 2026. Source: US Food and Drug Administration, National Drug Code Directory (openFDA).

Diphenhydramine hydrochloride is listed in the FDA National Drug Code Directory by 127 companies, with 341 products in commercial distribution. 39 of the products (11.4%) are marketed under an abbreviated new drug application (ANDA), the generic route. The most common dosage forms are capsule, liquid filled; liquid; tablet, film coated, and the newest product started marketing on October 15, 2026.

The request: Get every company that lists diphenhydramine hydrochloride in the FDA NDC directory, with headquarters, website and number of employees. $10 of work on sign-up, no card.

SpecStream is the live web data engine for teams and agents. It reads the National Drug Code Directory that FDA publishes, and this page is that reading. Ask for the companies that make a drug, a class or a dosage form, with their headquarters, website and size added from the web, and new listings and discontinued products arrive in your sheet, CRM, Slack or agent as FDA posts them.

Companies listing it

127

Products

341

Generic (ANDA) products

39 (11.4%)

Application numbers

19

Routes

Oral, Intramuscular, Intravenous, Topical

Brand names

Allergy Relief, Nighttime Sleep Aid, Benadryl, Diphenhydramine HCl, Rest Simply, Childrens Allergy, Diphenhydramine, M-Dryl

openFDA record search

api.fda.gov

Companies that list diphenhydramine hydrochloride

Ranked by number of products. Finished drugs in commercial distribution.

Dosage forms

Marketing categories

Pharmacologic classes

CC0 1.0 public domain dedication (openFDA). Counts are products in the FDA National Drug Code Directory on November 6, 2026: 138,262 products in commercial distribution, meaning without a marketing end date in the past. A company is a labeler code; one company can hold several codes, and the directory carries no address. Inclusion in the directory is not FDA approval, and the marketing category says under which kind of application or rule a product is sold. This page uses openFDA data and is not endorsed or certified by FDA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.