S 4 Pill — WHITE OVAL, 19mm — Clarithromycin
| Imprint | S / 4 |
|---|---|
| Colour | WHITE |
| Shape | OVAL |
| Size | 19 |
| Strength | CLARITHROMYCIN 500 mg |
| Dosage form | Tablet, Film Coated |
| Manufacturer | DirectRX |
| NDC | 61919-643 |
| Schedule | — |
| Availability | — |
| Ingredients | CLARITHROMYCIN[CLARITHROMYCIN] |
What does this imprint mean?
The imprint "S 4" 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
Clarithromycin
Uses and warnings
Drug class"A macrolide antimicrobial drug" that inhibits bacterial protein synthesis; the label also notes it is a CYP3A4 inhibitor that can raise concentrations of co-administered drugs metabolized through that pathway.UsesIndica...
Read the full drug profile →How to identify this pill
- • Check the imprint matches exactly: "S 4".
- • Confirm the colour (WHITE) and shape (OVAL).
- • Compare the size (19) against a ruler if possible.
- • When in doubt, confirm with a pharmacist before taking any medication.
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Official references
Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file 876b7723-ff81-7ccf-e053-2995a90a6fc3.xml