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 Cefprozil Brand name:-  ORPROZIL , ZEMETRIL 250, 500mg tab, Refzil 250,500mg. Cefprozil is an antibiotic. It kills the bacteria by preventing them from forming the bacterial protective covering (cell wall) which is needed for them to survive. Pharmacodynamic:- Cefprozil, a semisynthetic, second-generation cephalosporin, is used to treat otitis media, soft-tissue infections, and respiratory tract infections.  Mechanism of action:-  Cefazolin inhibits cell wall biosynthesis by binding penicillin-binding proteins which stops peptidoglycan synthesis. Penicillin-binding proteins are bacterial proteins that help to catalyze the last stages of peptidoglycan synthesis, which is needed to maintain the cell wall. Used:-  Used to treat certain infections caused by bacteria, such as bronchitis (infection of the airway tubes leading to the lungs); and infections of the skin, ears, sinuses, throat, and tonsils ,. Side effects:-  Nausea, Diarrhea, Vomiting, Dizziness, Ab...

 Carbenicillin  Brand name:-  Carbelin 1g ,5g per Vail inj. Carbenicillin is a bactericidal antibiotic belonging to the carboxypenicillin subgroup of the penicillins. It was discovered by scientists at Beecham and marketed as Pyopen. It has Gram-negative coverage which includes Pseudomonas aeruginosa but limited Gram-positive coverage. The carboxypenicillins are susceptible to degradation by beta-lactamase enzymes, although they are more resistant than ampicillin to degradation. Carbenicillin is also more stable at lower pH than ampicillin. Pharmacodynamic:- Carbenicillin is a semisynthetic penicillin. Though carbenicillin provides substantial in vitro activity against a variety of both gram-positive and gram-negative microorganisms, the most important aspect of its profile is in its antipseudomonal and antiproteal activity. Because of the high urine levels obtained following administration, carbenicillin has demonstrated clinical efficacy in urinary infections due to sus...