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Medicines
Singapore
Diphenhydramine

HSA 1999

Diphenhydramine

PAXIDORM TABLETS 25 mg

25 mg tablet, sugar coatedSingaporeAuthorisedAuthorised 1 Apr 1999

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On this page

In other countries
Sources and licences

In other countries

The same active substances on other registers, the same brand first.

Allergy FormulaCanada · 25 MG · Tablet · Vita Health Products INCSame form
Allergy Formula CapletsCanada · 25 MG · Tablet · Sigma Life Sciences INC.Same form
Allergy Formula CapletsCanada · 25 MG · Tablet · Perrigo InternationalSame form
SOÑODOR DIFENHIDRAMINA 50 mg COMPRIMIDOSSpain · 50 mg · comprimido · Laboratorios Urgo S.L.Same form
Difenhidramina Omega Pharma 50 MG ComprimidosSpain · 50 mg · comprimido · Omega Pharma España, S.A.Same form
LomarinItaly · Compressa · Pharmaday Pharmaceutical S.R.L. UnipersonaleSame form
NovagoItaly · Compressa · Industria Farmaceutica Nova Argentia S.R.L.

Two medicines in one question?

Name two or more medicines and Osler runs an interaction check. A severe interaction is stated at the very top of the answer.

Same form

🇮🇹TravelgumItaly · Compressa masticabile · New Pharmashop S.R.L.Same form

🇧🇷DifenidrinBrazil · Cristália Produtos Químicos Farmacêuticos Ltda.Same substance

🇧🇷dimenidrinatoBrazil · Brainfarma Indústria Química e Farmacêutica S.ASame substance

🇧🇷dimenidrinatoBrazil · União Química Farmacêutica Nacional S/ASame substance

🇪🇸NEOSAYOMOL 20 mg/ g CREMASpain · 2 g · crema · Laboratorios Cinfa S.A.Same substance

🇷🇴CALMABEN 50 mgRomania · 50mg · draj. · PHARMAZEUTISCHE FABRIK MONTAVIT Ges.m.b.H.Same substance

🇷🇸DermodrinSerbia · 20mg/g · krem · PredstavniŠTvo Pharmazeutische Fabrik Montavit Ges.M.B.H. Beograd (VraČAr)Same substance

🇸🇦Amydramine II Sugar Free SyrupSaudi Arabia · Gulf Pharmaceutical Industries (Julphar)Same substance

🇸🇦Benadryl Elixir 12.5MG-5MLSaudi Arabia · Park-DavisSame substance

🇸🇦Exylin Syrup 14MG-5MLSaudi Arabia · SpimacoSame substance

🇺🇸Diphenhydramine HydrochlorideUnited States · 12.5MG/5ML · elixir · LannettSame substance

🇺🇸Diphenhydramine HydrochlorideUnited States · 10MG/ML, 50MG/ML · injectable · Avet LifesciencesSame substance

🇺🇸Diphenhydramine Hydrochloride Preservative FreeUnited States · 50MG/ML · injectable · Fresenius Kabi USASame substance

Sources and licences

Compiled by Prognia from the public register below; the register’s text is the official one.

Health Sciences Authority / data.gov.sg

Contains information from HSA Listing of Registered Therapeutic Products accessed on 8 October 2026 from data.gov.sg, under Singapore Open Data Licence 1.0: https://data.gov.sg/open-data-licence

Licence: Singapore Open Data Licence 1.0 · Added 8 Oct 2026

Report an error or request removalCorrections from the holder or the register are welcome.

Prognia shows this product information for reference and learning. It is not treatment advice and can lag behind the official text. Always check the current product information and local protocols before prescribing.

At a glance

Active substance: Diphenhydramine
Strength: 25 mg
Dosage form: tablet, sugar coated
Route: oral
Register: Singapore (HSA)
Status: Authorised
Status in the register: Registered
Authorised: 1 Apr 1999
Registration: SIN10851P
Marketing authorisation holder: Polymedic Trading Enterprise Pte LTD
Manufacturer: PHARMASERVE LTD, UNITED KINGDOM
ATC code: R06AA02
Group: Respiratory system
Supply: Pharmacy Only