S4 Pill - pink oval, 10mm
Pill with imprint S4 is Pink, Oval and has been identified as Diphenhydramine Hydrochloride 25 mg. It is supplied by Himprit Pharmachem Pvt Ltd.
Diphenhydramine is used in the treatment of Allergic Reactions; Insomnia; Allergic Rhinitis; Cold Symptoms; Allergies and belongs to the drug classes anticholinergic antiemetics, anticholinergic antiparkinson agents, antihistamines, miscellaneous anxiolytics, sedatives and hypnotics. There is no proven risk in humans during pregnancy. Diphenhydramine 25 mg is not a controlled substance under the Controlled Substances Act (CSA).
Images for S4

Diphenhydramine Hydrochloride
- Imprint
- S4
- Strength
- 25 mg
- Color
- Pink
- Size
- 10.00 mm
- 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
- Himprit Pharmachem Pvt Ltd
- National Drug Code (NDC)
- 65437-0036
- Inactive Ingredients
-
microcrystalline cellulose,
silicon dioxide,
calcium phosphate dibasic anhydrous,
croscarmellose sodium,
magnesium stearate,
polyethylene glycol,
polyvinyl alcohol,
titanium dioxide,
water,
D&C Red No. 27
Note: Inactive ingredients may vary.
Related images for "S4"
More about diphenhydramine
- Check interactions
- Compare alternatives
- Pricing & coupons
- Reviews (540)
- Drug images
- Latest FDA alerts (2)
- Side effects
- Dosage information
- Patient tips
- During pregnancy
- Support group
- Drug class: anticholinergic antiemetics
- Breastfeeding
Patient resources
Other brands
Benadryl, Banophen, Benadryl Allergy, ZzzQuil, ... +24 more
Professional resources
- DiphenhydrAMINE monograph
- Diphenhydramine (FDA)
- Diphenhydramine Capsules (FDA)
- Diphenhydramine Injection (FDA)
- Diphenhydramine Oral Solution (FDA)
Other brands
Benadryl, Benadryl Allergy, Diphen, Dicopanol
Related treatment guides
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.