503 (Tizanidine 4 mg)
Pill imprint 503 has been identified as Tizanidine hydrochloride 4 mg.
Tizanidine is used in the treatment of muscle spasm; cluster headaches and belongs to the drug class skeletal muscle relaxants. Risk cannot be ruled out during pregnancy. Tizanidine 4 mg is not a controlled substance under the Controlled Substance Act (CSA).
- 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
- Manufacturer:
- Caraco Pharmaceutical Laboratories
- National Drug Code (NDC):
- 57664-0503
- Inactive Ingredients:
- silicon dioxide
stearic acid
microcrystalline cellulose
lactose monohydrate
lactose anhydrous
| NDC Code | Manufacturer / Repackager |
|---|---|
| 42291-0809 | AvKare, Inc. |
| 68387-0140 | Keltman Pharmaceuticals Inc (repackager) |
| 55045-3721 | Dispensing Solutions Inc. (repackager) |
| 54868-4939 | Physicians Total Care Inc (repackager) |
| 66336-0843 | Dispensing Solutions Inc. (repackager) |
Note: Inactive ingredients may vary.
More about tizanidine
Consumer resources
- Other brands: Zanaflex
Professional resources
Related treatment guides
Disclaimer:
Every effort has been made to ensure that the information provided is accurate, up-to-date, and complete, but no guarantee is made to that effect. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.
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