Tetracyline ointment for mass prophylaxis-: (A) 0.10%, (B) 0.50%, (C) 1%, (D) 5%
Answer is C. Tetracyclines:These are broad-spectrum bacteriostatic agents with a considerable action against both gram-positive and gram-negative organisms as well as some fungi, rickettsiae and chlamydiae. This group includes tetracycline, chloetracycline and oxytetracycline. ref: A K KHURANA OPHTALMOLOGY,E4, Page-420