503 Pill — WHITE ROUND, 9mm — Tizanidine
| Imprint | 503 |
|---|---|
| Colour | WHITE |
| Shape | ROUND |
| Size | 9 |
| Strength | TIZANIDINE HYDROCHLORIDE 4 mg |
| Dosage form | Tablet |
| Manufacturer | A-S Medication Solutions |
| NDC | 50090-2208 |
| Schedule | — |
| Availability | — |
| Ingredients | TIZANIDINE HYDROCHLORIDE[TIZANIDINE] |
What does this imprint mean?
The imprint "503" is a code stamped or printed on the tablet or capsule by the manufacturer, used to identify the drug, its strength and the maker.
Active ingredient
Tizanidine
Uses and warnings
Drug classA centrally acting "alpha2-adrenergic agonist" skeletal muscle relaxant that reduces spasticity by increasing presynaptic inhibition of motor neurons, believed to act mainly on polysynaptic pathways within the spinal cor...
Read the full drug profile →How to identify this pill
- • Check the imprint matches exactly: "503".
- • Confirm the colour (WHITE) and shape (ROUND).
- • Compare the size (9) against a ruler if possible.
- • When in doubt, confirm with a pharmacist before taking any medication.
Similar-looking pills
10
WHITE ROUND · Escitalopram
10
WHITE ROUND · Escitalopram
3972 V
WHITE ROUND · Lisinopril
54 373
WHITE ROUND · Quetiapine
NT 123
WHITE ROUND · Lamotrigine
H 106
WHITE ROUND · Hydroxyzine
T26
WHITE ROUND · Carbamazepine
5093 V
WHITE ROUND · Prednisone
500
WHITE ROUND · Aspirin
WPI 867
WHITE ROUND · Bupropion
746
WHITE ROUND · Glipizide
GG263
WHITE ROUND · Atenolol
Other pills of Tizanidine
4MG Tiza
BLUE;WHITE CAPSULE · Tizanidine
MYLAN TE
ORANGE;ORANGE CAPSULE · Tizanidine
TI 2
WHITE ROUND · Tizanidine
4mg PAR
WHITE;BLUE CAPSULE · Tizanidine
A594
WHITE ROUND · Tizanidine
503
WHITE ROUND · Tizanidine
A 202
BLUE CAPSULE · Tizanidine
2MG Tiza
BLUE;BLUE CAPSULE · Tizanidine
6MG Tiza
BLUE;BLUE CAPSULE · Tizanidine
TIAH 2
GREEN CAPSULE · Tizanidine
TIAH 4
GREEN;WHITE CAPSULE · Tizanidine
TN 2
WHITE ROUND · Tizanidine
Official references
Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file 51569c1d-c1d5-4b81-8c44-dbaece299a1f.xml