Doctors may prescribe azithromycin, or Z-pack, to treat strep throat when people cannot take first-line antibiotics. Learn the dosage, side effects, and more.

Pfizer, the maker of Z-Pak, said it has already updated its drug labels to include heart rhythm risk. But patients are advised to remember that azithromycin is a very effective antibiotic, ...

Z-Pack is a form of Zithromax, a brand-name version of the antibiotic azithromycin. Learn about Z-pack for strep throat here. Find out whether it’s a good choice to treat the condition. Also ...

NEW YORK (CBS News) – The Food and Drug Administration is out with a warning regarding a popular antibiotic. The FDA says Azithromycin, known as the Z-Pak, can cause a potentially fatal heart ...

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 ...

A popular antibiotic used to treat bacterial infections can cause abnormal – and possibly fatal – heart rhythms, according to a new warning from the FDA.

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

Z-Pak May Increase Health Risks in Some Patients Dallas doctor who takes drug says he wants to see more information on study By Ellen Goldberg • Published May 16, 2012 • Updated on June 8 ...

But Roskos was worried when she heard about the side effects. Azthiromyacin, sold as Zithromax and known as Z-Pak, was found to cause a fatal heart problem in some people.

The antibiotic, sold under the brand names Zithromax and Zmax as Z-Pak capsules, ... Chef Anne Burrell's death investigated as possible drug overdose. Updated 1 hour ago.