30 ml Azithromycin Oral Suspension IP that we are offering is used to treat certain bacterial infections including sinusitis, pneumonia, among others. The medicine belongs to a class of drugs known as a macrolide-type antibiotic. The medicine works by stopping the growth of certain bacteria. This is suitable for bacterial infection. Do not use the 30 ml Azithromycin Oral Suspension IP to treat viral infections such as common cold and flu.