RX504 Pill — WHITE CAPSULE, 14mm — Acyclovir
| Imprint | RX504 |
|---|---|
| Colour | WHITE |
| Shape | CAPSULE |
| Size | 14 |
| Strength | ACYCLOVIR 400 mg |
| Dosage form | Tablet |
| Manufacturer | Major Pharmaceuticals |
| NDC | 0904-6121 |
| Schedule | — |
| Availability | — |
| Ingredients | ACYCLOVIR[ACYCLOVIR] |
What does this imprint mean?
The imprint "RX504" 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
Acyclovir
Uses and warnings
Drug classA synthetic purine nucleoside analogue with in vitro and in vivo inhibitory activity against herpes simplex virus types 1 (HSV-1), 2 (HSV-2), and varicella-zoster virus (VZV)." Its activity is "highly selective due to it...
Read the full drug profile →How to identify this pill
- • Check the imprint matches exactly: "RX504".
- • Confirm the colour (WHITE) and shape (CAPSULE).
- • Compare the size (14) 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 58db3efc-09c8-470c-b175-4f35e418c61e.xml