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Unformatted text preview: Vancomycin is currently used against bacteria displaying resistance to penicillin, cephalosporin, and other antibiotics. Vancomycin is a very expensive antibiotic with numerous side effects, and it is used only in life-threatening situations. It interferes with cell wall formation in bacteria. is effective against a broad range of bacteria including Gram-positive and Gram- negative bacteria, rickettsiae, and chlamydiae. However, it has serious side effects such as aplastic anemia (blood cells without hemoglobin), and it may induce the gray syndrome (a type of cardiovascular collapse) in babies. Therefore, it is used for only the most serious bacterial infections such as typhoid fever and meningitis. Sulfa drugs such as sulfamethoxazole and sulfisoxazole are effective against Gram-positive bacteria. These bacteria produce folic acid, and the sulfa drugs interfere with its production by replacing para-...
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- Fall '07