Antimicrobial Therapy



Rifampin is used against MTB and also as prophylaxis against N. menigiditis


6.    Metronidazole


Used against anaerobes and certain parasitic infections


7.        Erthromycin and other macrolides


Used mainly as a second line drug for penicillin. Used first line for legionella and sometimes for chlamydial and mycoplasmal infections


Clindamycin is mainly used in the treatment of anaerobic infections.


8.        Vancomycin


For MRSA infections


9.        Tetracyclines


Tetracycline and doxyclyine are used for a wide variety of bacterial, chlamydial, and rickettsial infections


10.    Sulphonamides


Sulphonamides are often used in conjunction with trimethroprim. It is used for treating UTI and respiratory infections


11.    Quinolones


Ciprofloxacin and Ofloxacin are active against a large umber of gram-negative bacilli including P. aeruginosa.