R1 Pill - white round
Pill with imprint R1 is White, Round and has been identified as Tiopronin Delayed Release 100 mg. It is supplied by Teva Pharmaceuticals USA, Inc.
Tiopronin is used in the treatment of Cystinuria and belongs to the drug class miscellaneous genitourinary tract agents. Risk cannot be ruled out during pregnancy. Tiopronin 100 mg is not a controlled substance under the Controlled Substances Act (CSA).
Images for R1

Tiopronin Delayed Release
- Imprint
- R1
- Strength
- 100 mg
- Color
- White (white to off-white)
- Shape
- Round (biconvex, film-coated)
- Availability
- Prescription only
- Drug Class
- Miscellaneous genitourinary tract agents
- Pregnancy Category
- C - Risk cannot be ruled out
- CSA Schedule
- Not a controlled drug
- Labeler / Supplier
- Teva Pharmaceuticals USA, Inc.
- Manufacturer
- Watson Pharma Private Limited
- National Drug Code (NDC)
- 00480-9227
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- Drug class: miscellaneous genitourinary tract agents
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