Ampicillin
Ampicillin is an antibiotic belonging to the class of drugs called pencillins. It is one of the most widely prescribed antibiotics and fights bacteria in human body. The drug is used to treat many types of infections, including tonsillitis, pneumonia, bronchitis, urinary tract infections, gonorrhea and infections of the intestines or food poisoning.

Amoxycillin
Amoxycillin is a semi-synthetic penicillin, an analogue of ampicillin, with a broad range of bactericidal activity against many gram-positive and gram-negative micro-organisms. It is stable in presence of gastric acid and may be given without regard to meals