Skip to content

OpenRx Open Medications Explorer

Browse Drugs Ingredients Biologics Veterinary Safety Reports AI Co-Pilot

Browse Filter by letter, class, form, route or application type
Drugs The complete A–Z catalogue
Ingredients Monographs grouped by active ingredient
Biologics Licensed biological products
Veterinary Approved animal drugs and adverse events
Safety Recalls, shortages and post-market signals
Reports Independent research reports and their sources
AI Co-Pilot Regulatory Q&A, MedDRA/VeDDRA coding and openFDA query help
About & data sources

© 2026 OpenRx · public-domain U.S. government data

This resource is provided to you free, as a public benefit.

It does not serve as medical advice, and by using this site you explicitly forfeit your right to sue, hold liable, or in any way blame, Jon "Mike" Schlottig, Leverage AI LLC, and any and all partners and subsidiaries, past present and future, as it relates to information and subsequent decisions made as a result of using this informational resource. Read the full disclaimer

I built this site and unified these databases because I hate when companies obscure valuable and potentially life saving information like this, and thought: "I'm actually fully capable of changing this with a minimal amount of time and effort, I should probably quit complaining and just do it." — Jon "Mike" Schlottig

Leverage AI LLC

Home
Browse
Pharmacologic classes
Antihistamine

Antihistamine

15 medication records in the pharmacologic class “Antihistamine [EPC]”.

15 medications

benztropine mesylate Tablet
Rx ANDA TE AA Shortage 51 NDC
Benztropine Mesylate Injection
Rx ANDA TE AP 4 NDC
Doxylamine Succinate and Pyridoxine Hydrochloride Doxylamine Succinate and Pyridoxine Hydrochloride, Delayed release Tablets 10 mg/10 mg · Tablet, Delayed Release
Rx ANDA TE AB 2 recalls 6 NDC
Hydroxyzine HCL Tablet, Film Coated
Rx ANDA TE AB 2 NDC
Hydroxyzine Hydrochloride Tablet, Film Coated
Rx ANDA TE AB 3 recalls 113 NDC
Hydroxyzine hydrochloride Tablet
Rx ANDA TE AB 62 NDC
Hydroxyzine Hydrochloride Solution
Rx ANDA TE AA 2 recalls 9 NDC
Hydroxyzine Hydrochloride Injection, Solution
Rx ANDA 5 NDC
HYDROXYZINE HYDROCHLORIDE Hydroxyzine Hydrochloride · Syrup
Rx ANDA TE AA 4 NDC
hydroxyzine pamoate Capsule
Rx ANDA TE AB 3 recalls 82 NDC
Nighttime Sleep Aid Doxylamine succinate · Tablet
OTC ANDA 18 NDC
Sleep Aid Doxylamine succinate · Tablet
OTC ANDA 19 NDC
Sleep-Aid Doxylamine succinate · Tablet
OTC ANDA 2 NDC
TopCare Sleep Aid Doxylamine succinate · Tablet
OTC ANDA 2 NDC
Unisom SleepTabs Doxylamine Succinate · Tablet
OTC ANDA 2 NDC

OpenRx

A unified explorer for every publicly documented medication, assembled from fourteen open U.S. government datasets.

Data sources & licensing

Powered by Leverage AI LLC

Explore

Browse everything
Complete A–Z index
Active ingredients
Pharmacologic classes
Dosage forms
Routes of administration

Therapeutics

Human prescription
Over-the-counter
Biologics & biosimilars
Veterinary medicines
Recently approved

Safety

Recalls
Drug shortages
Most reported events
Search

About

About OpenRx
Data sources
Methodology
Disclaimer
Build changelog

Reports

Independent reports
FDA & veterinary databases

Not medical advice. OpenRx is an informational index of public regulatory data. It is not a substitute for the professional judgement of a qualified health professional, and it is not the official FDA labelling. Always consult the manufacturer's current prescribing information and your clinician.

© 2026 OpenRx

Full-text search across medication names, ingredients, manufacturers, pharmacologic classes and official prescribing information.

/ or Ctrl+K to open · Esc to close · dedicated search page