503 Pill: white, round, 9mm
The pill with imprint 503 (White, Round, 9mm) has been identified as Tizanidine Hydrochloride 4 mg and is used for Muscle Spasm, and Spasticity. It belongs to the drug class skeletal muscle relaxants and is not a controlled substance.
Images for 503

Tizanidine Hydrochloride
- Imprint
- 503
- Strength
- 4 mg
- Color
- White
- Size
- 9.00 mm
- Shape
- Round
- Availability
- Prescription only
- Drug Class
- Skeletal muscle relaxants
- Pregnancy Category
- C - Risk cannot be ruled out
- CSA Schedule
- Not a controlled drug
- Labeler / Supplier
- Caraco Pharmaceutical Laboratories
- Inactive Ingredients
-
lactose anhydrous,
lactose monohydrate,
silicon dioxide,
microcrystalline cellulose,
stearic acid
Note: Inactive ingredients may vary.
Labelers / Repackagers
NDC Code | Labeler / Repackager |
---|---|
42291-0809 | AvKare, Inc. |
57664-0503 | Caraco Pharmaceutical Laboratories, Ltd. |
54868-4939 (Discontinued) | Physicians Total Care Inc. (repackager) |
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- Drug class: skeletal muscle relaxants
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Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.