Srithivya147

1️⃣ First Generation • Drugs: Cefazolin, Cephalexin • Spectrum: Gram +++ > Gram – • Uses: Skin infections, surgical prophylaxis • No BBB penetration 2️⃣ Second Generation • Drugs: Cefuroxime, Cefaclor • Spectrum: Gram + > Gram – + anaerobes • Covers Bacteroides fragilis • Cefuroxime crosses BBB • Uses: Respiratory, anaerobic infections 3️⃣ Third Generation (Very Important) • Drugs: Ceftriaxone, Cefotaxime, Ceftazidim...