Broad spectrum antibiotics

Antibiotic that acts against a wide range of disease-causing bacteria and used for For drug resistant bacteria, In super-infections and empirically prior to identifying the causative bacteria. A broad-spectrum antibiotic acts against both Gram-positive and Gram-negative bacteria, in contrast to a narrow-spectrum antibiotic, which is effective against specific families of bacteria. An example of a commonly used broad-spectrum antibiotic is ampicillin.