U 421 (Amitriptyline Hydrochloride 50 mg)
Pill with imprint U 421 is Brown, Round and has been identified as Amitriptyline Hydrochloride 50 mg. It is supplied by Unichem Pharmaceuticals (USA), Inc.
Amitriptyline is used in the treatment of chronic myofascial pain; anxiety and stress; burning mouth syndrome; fibromyalgia; depression and belongs to the drug class tricyclic antidepressants. Risk cannot be ruled out during pregnancy. Amitriptyline 50 mg is not a controlled substance under the Controlled Substances Act (CSA).
Images for U 421

Amitriptyline Hydrochloride
- Imprint
- U 421
- Strength
- 50 mg
- Color
- Brown
- Shape
- Round
- Availability
- Prescription only
- Drug Class
- Tricyclic antidepressants
- Pregnancy Category
- C - Risk cannot be ruled out
- CSA Schedule
- Not a controlled drug
- Labeler / Supplier
- Unichem Pharmaceuticals (USA), Inc.
- National Drug Code (NDC)
- 29300-0421
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- Drug class: tricyclic antidepressants
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Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.