Types of Amoxicillin

Keflex (cephalexin) is a cephalosporin (SEF a low spor in) antibiotic. It works by fighting bacteria in your body. Keflex is used to treat infections caused by bacteria, including upper respiratory infections, ear infections, skin infections, and urinary tract infections.

Among the most common prescribed antibiotics in the U.S. that can cause severe side effects are fluoroquinolones, such as Cipro, Avelox, and Levaquin. Among the most common prescribed antibiotics in the U.S. that can cause severe side effects are fluoroquinolones, such as Cipro, Avelox, and Levaquin.

Macrolides mainly affect gram-positive cocci and intracellular pathogens such as mycoplasma, chlamydia, and legionella. Erythromycin was the first macrolide discovered; other macrolides include azithromycin, clarithromycin, and roxithromycin.

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