Azithromycin is used for the tretment of wide variety of bacterial infections . It is a macrolide-type antibiotic. Itworks for stopping the growth of bacteria. This medications will not work for viral infections (such as common cold, flu ). Lactic Acid Bacillus is a probioticused for treatment of diarrhea which is caused by infectionsand antibiotics, etc. It is also used torelieve symptoms of digestive disorders such as irritable bowel syndrome,inflammatory bowel disease, stomach ulcers, constipation, indigestion, etc.