G 400 Pill - white capsule-shape
Pill with imprint G 400 is White, Capsule-shape and has been identified as Guaifenesin 400 mg. It is supplied by Marlex Pharmaceuticals Inc.
Guaifenesin is used in the treatment of bronchitis; bronchiectasis; cough and belongs to the drug class expectorants. Risk cannot be ruled out during pregnancy. Guaifenesin 400 mg is not a controlled substance under the Controlled Substances Act (CSA).
Images for G 400

Guaifenesin
- Imprint
- G 400
- Strength
- 400 mg
- Color
- White
- Shape
- Capsule-shape
- Availability
- Rx and/or OTC
- Drug Class
- Expectorants
- Pregnancy Category
- C - Risk cannot be ruled out
- CSA Schedule
- Not a controlled drug
- Labeler / Supplier
- Marlex Pharmaceuticals Inc.
- National Drug Code (NDC)
- 10135-0682
Related images for "G 400"
More about guaifenesin
- Pricing & coupons
- Reviews (292)
- Drug images
- Latest FDA alerts (4)
- Side effects
- Dosage information
- Patient tips
- During pregnancy
- Support group
- Drug class: expectorants
- Breastfeeding
Patient resources
- Drug Information
- Guaifenesin (Advanced Reading)
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Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.