Pills with imprint I 6

The imprint I 6 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
I 6	Ibuprofen 400 mg	White	Oval	14 mm	Remedyrepack Inc.
I6	Ibuprofen 600 mg	White	Capsule	17 mm	Remedyrepack Inc.
I6	Amitriptyline Hydrochloride 150 mg	Brown	Capsule	19 mm
I 6	Losartan Potassium 50 mg	White	Oval	10 mm

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