Doctors prescribe azithromycin, or Zithromax Z-Pak, for bacterial infections, including skin, ear and respiratory infections, according to Z-Pak also treats some sexually transmitted diseases. More » Health Medications & Vitamins

Patients should take Z-Pak antibiotics exactly as directed on the prescription label, states Everyday Health. Doctors typically have patients take Z-Pak antibiotics once a day for one to five days, explains MedlinePlus. ... More » Health Medications & Vitamins

The correct dosage of Z-Pak depends on the kind of illness a person has. The dosage can range from one dose every day for five days to a single large dose called megadose, according to Drug Watch. More » Health Medications & Vitamins
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According to MedlinePlus, a Z-Pak contains azithromycin tablets and is used to treat certain bacterial infections, including bronchitis, pneumonia, sexually transmitted diseases, and infections of the ears, lungs, sinuse... More » Health Medications & Vitamins

Common side effects of Zithromax Z-Pak include mild upset stomach, mild stomach pain, mild diarrhea, dizziness, and vaginal itching or discharge, states Everyday Health. Fatigue, nervousness, insomnia, mild rash or ringi... More » Health Medications & Vitamins Side Effects

Zithromax Z-Pak is an American brand name for azithromycin, an oral antibiotic medication. According to Mayo Clinic, azithromycin is a macrolide antibiotic, meaning it kills bacteria and prevents additional growth. More » Health Medications & Vitamins

According to WebMD, a bacteria-fighting antibiotic known as azithromycin is commonly referred to as the Z-Pak by patients and health care professionals. This prescription drug is typically taken once per day and cannot e... More » Health Medications & Vitamins