upper respiratory tract infection
"I have just taken Day 5 dose for a worse than usual respiratory infection. Being asthmatic I need to get a jump on these things and Z Pack works well and the one pill a day makes it convenient. Abdominal cramps and diahrea are a side effect I get with all antibiotics, and I have found eating yogurt helps. The antibiotic will kill the good bacteria in your colon as well as the bad infection and it has to bereplaced."