Pill identification — FDA label match
J 49 Pill — Acyclovir 400 mg (Pink, Hexagon)
A pink hexagon tablet with the imprint J 49 matches the FDA label for Acyclovir 400 mg. Compare every detail below with your pill, and confirm with a pharmacist before relying on it.
| Imprint | J 49 |
|---|---|
| Imprint parts | J · 49 (the code is split across the pill — often one part per side) |
| Generic name | Acyclovir |
| Active ingredient(s) | Acyclovir 400 mg |
| Strength | 400 mg |
| Dosage form | Tablet |
| Colour | Pink |
| Shape | Hexagon |
| Size | 12 mm |
| Score | No score |
| Labeler | Remedyrepack Inc. |
| NDC examples | 61786-497-02, 70518-2117-0, 70518-2117-1, 70518-2117-2, 70518-2455-0 … (9 package codes in total) |
What this medicine is
According to its FDA-approved label, Acyclovir is described as follows (reference information only — not advice about whether it is right for anyone):
Section Herpes Zoster Infections: Acyclovir tablets, USP are indicated for the acute treatment of herpes zoster (shingles). Genital Herpes: Acyclovir tablets, USP are indicated for the treatment of initial episodes and the management of recurrent episodes of genital herpes....
Equivalent pills — same medicine, different imprint
The pills below contain the same active ingredient at the same strength (Acyclovir 400 mg). Different makers stamp their own codes, so equivalent pills often look completely different. This is factual label information — it is not a suggestion to substitute one product for another; only a pharmacist or prescriber can advise on that.
Frequently asked questions
What pill has the imprint J 49?
A pink hexagon tablet with the imprint J 49 matches the FDA label for Acyclovir 400 mg. Always compare the colour, shape and size as well — short imprints are shared by different medicines — and confirm with a pharmacist.
What does the J 49 pill look like?
On its FDA label it is described as a pink hexagon tablet, 12 mm, with a score recorded as: no score.
How can I be sure this identification is right?
Check every characteristic — imprint (both sides), colour, shape, size and score — against the pill in your hand. If all of them agree, the pill matches the FDA label shown here, but that is still not a guarantee: counterfeit pills copy real imprints. A pharmacist can confirm the identification in person, and you should never take a pill you are not certain about.
Browse: all pills with imprint J 49 · Acyclovir — all forms & strengths · Pink pills · Hexagon pills
Source: FDA label data via DailyMed/openFDA · Label set ID b290628d-39be-455a-a414-d3afa114c43f · Record extracted from the openFDA bulk export of October 29, 2026. Spotted an error? Report it — include the imprint and what looks wrong.