Zithromax Dosage

Generic name: AZITHROMYCIN DIHYDRATE 600mg
Dosage forms: tablet, film coated, oral suspension
Drug class: Macrolides

Medically reviewed by Drugs.com. Last updated on Apr 3, 2025.

ZITHROMAX for oral suspension (single dose 1 g packet) can be taken with or without food after constitution. However, increased tolerability has been observed when tablets are taken with food.

Zithromax for oral suspension (single dose 1 g packet) is not for pediatric use. For pediatric suspension see the prescribing information for ZITHROMAX (azithromycin for oral suspension) 100 mg/5 mL and 200 mg/5 mL bottles.

Directions for administration of ZITHROMAX for oral suspension in the single dose packet (1 g): The entire contents of the packet should be mixed thoroughly with two ounces (approximately 60 mL) of water. Drink the entire contents immediately; add an additional two ounces of water, mix, and drink to ensure complete consumption of dosage. The single dose packet should not be used to administer doses other than 1000 mg of azithromycin.

Sexually Transmitted Diseases

The recommended dose of ZITHROMAX for the treatment of non-gonococcal urethritis and cervicitis due to C. trachomatis is a single 1 gram (1000 mg) dose of ZITHROMAX. This dose can be administered as one single dose packet (1 g).

Mycobacterial Infections

Prevention of Disseminated MAC Infections

The recommended dose of ZITHROMAX for the prevention of disseminated Mycobacterium avium complex (MAC) disease is: 1200 mg taken once weekly. This dose of ZITHROMAX may be combined with the approved dosage regimen of rifabutin.

Treatment of Disseminated MAC Infections

ZITHROMAX should be taken at a daily dose of 600 mg, in combination with ethambutol at the recommended daily dose of 15 mg/kg. Other antimycobacterial drugs that have shown in vitro activity against MAC may be added to the regimen of azithromycin plus ethambutol at the discretion of the physician or health care provider.