A comparison of active ingredients and preservatives between brand name and generic topical glaucoma medications using liquid chromatography-tandem mass spectrometry.

BACKGROUND This work compares the concentration of active ingredients and preservatives in commonly used brand name versus generic glaucoma medications. MATERIALS AND METHODS Active ingredient and benzalkonium chloride (BAK) concentrations in brand name latanoprost and dorzolamide-timolol were each compared to two generic counterparts using liquid… CONTINUE READING