Amoxycillin + Cloxacillin + Lactobacillus is a combination of three medicines: Amoxycillin, Cloxacillin, and Lactobacillus. Amoxycillin and Cloxacillin are antibiotics which work by preventing the formation of the bacterial protective covering that is essential for the survival of bacteria in the human body. Together, they eradicate your infection effectively. Lactobacillus is a live microorganism which restores the balance of good bacteria in the intestine that may get upset with antibiotic use or due to intestinal infections