S4 Pill: pink, oval
The pill with imprint S4 (Pink, Oval, 0mm) has been identified as Diphenhydramine Hydrochloride 25 mg and is used for Allergic Reactions, Insomnia, Allergic Rhinitis, Cold Symptoms, and Allergies. It belongs to the drug classes anticholinergic antiemetics, anticholinergic antiparkinson agents, antihistamines, miscellaneous anxiolytics, sedatives and hypnotics and is not a controlled substance.
Images for S4
Diphenhydramine Hydrochloride
- Imprint
- S4
- Strength
- 25 mg
- Color
- Pink
- Shape
- Oval
- Availability
- Rx and/or OTC
- Drug Class
- Anticholinergic antiemetics, Anticholinergic antiparkinson agents, Antihistamines, Miscellaneous anxiolytics, sedatives and hypnotics
- Pregnancy Category
- B - No proven risk in humans
- CSA Schedule
- Not a controlled drug
- Labeler / Supplier
- Strategic Sourcing Services, LLC
- National Drug Code (NDC)
- 70677-1238
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- Support group
- Drug class: anticholinergic antiemetics
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Professional resources
- DiphenhydrAMINE monograph
- Diphenhydramine (FDA)
- Diphenhydramine Capsules (FDA)
- Diphenhydramine Injection (FDA)
- Diphenhydramine Oral Solution (FDA)
Other brands
Benadryl, Benadryl Allergy, Diphen, Dicopanol
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Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.