3138 WPI Pill: brown, capsule/oblong, 22mm
The pill with imprint 3138 WPI (Brown, Capsule/Oblong, 22mm) has been identified as Nizatidine 300 mg and is used for GERD, Indigestion, Erosive Esophagitis, Stomach Ulcer, and Duodenal Ulcer. It belongs to the drug class H2 antagonists and is not a controlled substance.
Images for 3138 WPI

Nizatidine
- Imprint
- 3138 WPI
- Strength
- 300 mg
- Color
- Brown
- Size
- 22.00 mm
- Shape
- Capsule/Oblong
- Availability
- Rx and/or OTC
- Drug Class
- H2 antagonists
- Pregnancy Category
- B - No proven risk in humans
- CSA Schedule
- Not a controlled drug
- Labeler / Supplier
- Watson Pharmaceuticals
- National Drug Code (NDC)
- 00591-3138
- Inactive Ingredients
-
silicon dioxide,
corn starch,
croscarmellose sodium,
magnesium stearate,
ammonia,
ferrosoferric oxide,
gelatin,
potassium hydroxide,
propylene glycol,
shellac,
sodium lauryl sulfate,
titanium dioxide,
ferric oxide red,
ferric oxide yellow
Note: Inactive ingredients may vary.
See also:
More about nizatidine
- Check interactions
- Compare alternatives
- Pricing & coupons
- Reviews (14)
- Drug images
- Side effects
- Dosage information
- During pregnancy
- Drug class: H2 antagonists
- Breastfeeding
- En español
Patient resources
- Nizatidine drug information
- Nizatidine (Advanced Reading)
- Nizatidine Capsules and Tablets
- Nizatidine Oral Solution
Other brands
Professional resources
Related treatment guides
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.