Introduction. Azithromycin is still one of the most frequently administered antimicrobials. In conditions of counterfeited generic drugs number steady growth in Russia, there is an obvious necessity of their pharmaceutical equivalence study. Objectives.
Objective. Comparison of quantitative amount and stability of azithromycin, detection of impurities and insoluble particle contamination in original Sumamed product (Pliva, Croatia) and two generic drugs (Azithral, Alembic Ltd, India, and Azinort, Neon Laboratories Ltd, India).