HP 501 Pill — WHITE ROUND, 7mm — Hydroxyzine

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Imprint	HP / 501
Colour	WHITE
Shape	ROUND
Size	7
Strength	HYDROXYZINE HYDROCHLORIDE 25 mg
Dosage form	Tablet
Manufacturer	Aidarex Pharmaceuticals LLC
NDC	33261-161
Schedule	—
Availability	—
Ingredients	HYDROXYZINE HYDROCHLORIDE[HYDROXYZINE]

What does this imprint mean?

The imprint "HP 501" 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

Hydroxyzine

Uses and warnings

Drug classAn "antihistamine" (piperazine derivative) that is chemically unrelated to the phenothiazines, reserpine, meprobamate, or the benzodiazepines. Its action is "based on a suppression of activity in key regions of the...

Read the full drug profile →

How to identify this pill

• Check the imprint matches exactly: "HP 501".
• Confirm the colour (WHITE) and shape (ROUND).
• Compare the size (7) against a ruler if possible.
• When in doubt, confirm with a pharmacist before taking any medication.

HP 501 Pill — WHITE ROUND, 7mm — Hydroxyzine

What does this imprint mean?

Active ingredient

Uses and warnings

How to identify this pill

Similar-looking pills

Other pills of Hydroxyzine

Official references