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 subject to the Controlled Substances Act.

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Images for 503 (Tizanidine 4 mg)

Tizanidine hydrochloride 4 mg 503
Tizanidine hydrochloride
4 mg
9.00 mm
Prescription only
Drug Class:
Skeletal muscle relaxants
Pregnancy Category:
C - Risk cannot be ruled out
CSA Schedule:
N - Not a controlled drug
Caraco Pharmaceutical Laboratories
National Drug Code (NDC):
Inactive Ingredients:
silicon dioxide
stearic acid
microcrystalline cellulose
lactose monohydrate
lactose anhydrous
Other Manufacturers / Repackagers:
NDC CodeManufacturer / Repackager
68387-0140 Keltman Pharmaceuticals Inc (repackager)
58016-0730 Southwood Pharmaceuticals Inc (repackager)
55045-3721 Dispensing Solutions Inc. (repackager)
54868-4939 Physicians Total Care Inc (repackager)
23490-7040 Palmetto State Pharmaceuticals Inc (repackager)
10544-0350 Blenheim Pharmacal Inc (repackager)
66336-0843 Dispensing Solutions Inc. (repackager)

Note: Inactive ingredients may vary.

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