HP 4 Pill — PINK ROUND, 11mm — Hydralazine

Imprint	HP / 4
Colour	PINK
Shape	ROUND
Size	11
Strength	HYDRALAZINE HYDROCHLORIDE 100 mg
Dosage form	Tablet, Film Coated
Manufacturer	Aphena Pharma Solutions - Tennessee, LLC
NDC	43353-919
Schedule	—
Availability	—
Ingredients	HYDRALAZINE HYDROCHLORIDE[HYDRALAZINE]

What does this imprint mean?

The imprint "HP 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

Hydralazine

Uses and warnings

Contraindicated in patients with hypersensitivity to hydralazine, coronary artery disease, and mitral valvular rheumatic heart disease. Key warning: hydralazine "may produce a clinical picture simulating systemic lupus erythematosus including glomerulonephritis"; symptoms typically regress on discontinuation, though residual abnormalities have occasionally persisted.

Hydralazine hydrochloride tablets are indicated for the treatment of "essential hypertension, alone or as an adjunct."

Read the full drug profile →

How to identify this pill

• Check the imprint matches exactly: "HP 4".
• Confirm the colour (PINK) and shape (ROUND).
• Compare the size (11) against a ruler if possible.
• When in doubt, confirm with a pharmacist before taking any medication.

HP 4 Pill — PINK ROUND, 11mm — Hydralazine

What does this imprint mean?

Active ingredient

Uses and warnings

How to identify this pill

Similar-looking pills

Other pills of Hydralazine

Official references