يستعمل دواء امبيسيلين النصر 500 مجم 12 كبسولةampicillin-el nasr 500mg 12 caps.usp 23 penicillins.monocomponent penicillins.monocomponent

description : -semi-synthetic derivative of penicillin that functions as an orally active broad-spectrum antibiotic . -indication :sfor treatment of infection (respiratory gi uti and meningitis) due to e. coli p. mirabilis enterococci shigella s. typhosa and other salmonella nonpenicillinase-producing n. gononhoeae h. influenzae staphylococci streptococci including streptoc -dosage: -adult- po/im/iv- the recommended dose range is 0.5 to 3gm every 6 hours. -child- 25 to 50mg/kg/day. -mechanism of action: -by binding to specific penicillin-binding proteins (pbps) located inside the bacterial cell wall ampicillin inhibits the third and last stage of bacterial cell wall synthesis. cell lysis is then mediated by bacterial cell wall autolytic enzymes such as autolysins- it is possible that ampicillin interferes with an autolysin inhibitor.