Commonly reported side effects of ampicillin include: eosinophilia and skin rash. See below for a comprehensive list of adverse effects. Ampicillin-associated diarrhea is usually self-limiting and thought to be related to alterations of intestinal microflora. However, Clostridium difficile toxin Antibiotics include a range of powerful drugs that kill bacteria or slow their growth. They treat bacterial infections, not viruses. If used incorrectly or overused, there is a risk that the. Find patient medical information for Ampicillin Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. The term broad-spectrum antibiotic can refer to an antibiotic that acts on the two major bacterial groups, gram-positive and gram-negative, or any antibiotic that acts against a wide range of disease-causing bacteria. These medications are used when a bacterial infection is suspected but the group of bacteria is unknown (also called empiric. Antibiotics are screened for any negative effects before their approval for clinical use, and are usually considered safe and well tolerated. However, some antibiotics have been associated with a wide extent of adverse side effects ranging from mild to very severe depending on the type of antibiotic used, the microbes targeted, and the. Antibiotics are powerful drugs that treat many bacterial infections, but medical experts fear they may be overprescribed, which can encourage the rise of antibiotic-resistant bacteria. AMPICILLIN is a penicillin antibiotic. It is used to treat certain kinds of bacterial infections. It will not work for colds, flu, or other viral infections. Ampicillin is a penicillin antibiotic that fights bacteria. Ampicillin is used to treat or prevent many different types of infections such as bladder infections, pneumonia, gonorrhea, meningitis, or infections of the stomach or intestines. Ampicillin precautions. Ampicillin is not recommended for patients with allergic reaction to the drug and its components or analogies: antibiotics, such as amoxicillin, carbenicillin, dicloxacillin, oxacillin, penicillin and others. AMPICILLIN (am pi SILL in) is a penicillin antibiotic. It is used to treat certain kinds of bacterial infections. It will not work for colds, flu, or other viral infections.