S 21 pill
3 pills in our database have the imprint S 21. They are 2 different medicines: Norgestimate and Ethinyl Estradiol and Penicillin V Potassium.
They differ in strength, color, shape, size, and maker, so compare those with your pill and its package.
Different medicines share this imprint. Check every detail before you trust a match, and ask a pharmacist if you are unsure.
How to tell them apart
| Pill | Color | Shape | Size | Made by |
|---|---|---|---|---|
| Norgestimate and Ethinyl Estradiol | Blue | Round | 5 mm | Rpk Pharmaceuticals, Inc |
| Norgestimate and Ethinyl Estradiol 0.215 mg / 0.035 mg | Blue | Round | 5 mm | Aurobindo Pharma Limited |
| Penicillin V Potassium 500 mg | White | Oval | 17 mm | Rebel Distributors Corp |