Azithromycin which is more commonly known as a Z-pak is an antibiotic that fights against bacteria. Some bacterial infections treated with a Z-pak include, respiratory infections and certain sexually transmitted diseases. A Z-pak may be used for other infections not listed as well. This specific antibiotic is appealing to some due to its short treatment course of just five days.  Like all antibiotics, it is not effective against viruses such as the common cold and Influenza.

How should I use this medicine?

Take this medicine by mouth with a full glass of water. Follow the directions on the prescription label. The tablets can be taken with food or on an empty stomach. If the medicine upsets your stomach, take it with food. Take your medicine at regular intervals. Do not take your medicine more often than directed. Take all your medicine as directed even if you think you are better. Do not skip doses or stop your medicine early.

Over dosage: If you think you have taken too much of this medicine contact a poison control center of emergency room at once

Where should I keep my medicine?

Keep out of reach of children. Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.

What Should I Watch For While Using This Medicine?

Tell your doctor or healthcare professional if your symptoms do not improve. Do not treat diarrhea with over the counter products. Contract your doctor if you have diarrhea that lasts more than 3 days or if it is severe and watery. This medicine can make your skin more sensitive to sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths. For women: antibiotics can weaken the effects of oral birth control pills, please use alternative birth control until you have finished your medication and have your next period.

NOTE: This is a summary. It does not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider. For a full list of possible side effects visit