Pills with imprint C3

The imprint C3 is used by 4 distinct products in our FDA label database, covering 3 different medicine(s). An imprint alone does not always identify a pill — makers reuse short codes — so always compare the colour, shape and size as well.

Imprint	Medicine & strength	Colour	Shape	Size	Labeler
C3	Chlorpromazine Hydrochloride 50 mg	Yellow	Round	8 mm	Remedyrepack Inc.
C3	Doxazosin Mesylate 1 mg	White	Round	7 mm
C3	Doxazosin Mesylate 2 mg	Yellow	Round	7 mm
C3	Folic Acid 1 mg	Yellow	Round	8 mm	Remedyrepack Inc.

Source: FDA label data via DailyMed/openFDA, export of October 29, 2026.