It can?t be used for treatment middle ear infection, tonsillitis and strep throat. Azithromycin may be used to treat middle ear infection, tonsillitis and strep throat. Very few people who take Azithromycin get some serious side effects including diarrhea, nausea, abdominal pain, and vomiting which may occur in fewer than one in twenty persons who are treated with Azithromycin[...]