This book includes the UV- Spectrophotometric methods for simultaneous estimation of Cefepime and Tazobactam. Cefepime is a fourth generation cephalosporin and Tazobactam is a Beta- lactamase inhibitor. Combination of these drugs is very useful in many infections including Urinary Tract infections, Respiratory Tract infections, meningitis, etc. Various combinations of these drugs are available in the market but not a single method available for their simultaneous estimation. Therefore there is need to develop and validate the methods which are helpful in the field of health and pharmaceutical sciences.