If you have strep throat, a doctor will prescribe the antibiotic they think is best for you. In most cases, this would be penicillin or amoxicillin. However, you may be prescribed a Z-Pack.

The Z-Pak is a favorite antibiotic because you take it for only five days instead of 10. "I took my Z-Pak and it worked great. After a day, I was feeling back to my normal self," Melinda Roskos said.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. KANSAS CITY, Mo. — The Food and Drug ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW YORK (CBS News) – The Food and Drug ...

DENVER (CBS4) - The government has a warning about a popular antibiotic. It says azithromycin, better known as Z-Pak, can cause a potentially deadly heart problem. The Food and Drug Administration is ...

Azithromycin, a commonly-prescribed antibiotic, may trigger a potentially deadly irregular heart rhythm for some patients, the Food and Drug Administration (FDA) warned Tuesday. The antibiotic that's ...