Drugs A - Z

Azithromycin Oral suspension, extended release

It is used to treat or prevent certain kinds of bacterial infections

Generic Name: azithromycin  |  Brand Name: Zithromax

Brand Names: Zithromax, Azithromycin 5 Day Dose Pack, Zithromax Z-Pak, Azithromycin 3 Day Dose Pack, Zmax, Zithromax TRI-PAK

What is this medicine?

AZITHROMYCIN (az ith roe MYE sin) is a macrolide antibiotic. It is used to treat or prevent certain kinds of bacterial infections. It will not work for colds, flu, or other viral infections.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • kidney disease
  • liver disease
  • irregular heartbeat or heart disease
  • an unusual or allergic reaction to azithromycin, erythromycin, other macrolide antibiotics, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine?

Take this medicine by mouth. Follow the directions on the prescription label. Take this medicine on an empty stomach, 1 hour before or 2 hours after meals. Drink your full dose at once. Do not split the dose. If you vomit within 1 hour of taking the dose, let your health care provider know immediately, you may need more medicine.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

What if I miss a dose?

This does not apply because you will take all of the medicine as 1 dose.

What may interact with this medicine?

Do not take this medicine with any of the following medications:
  • lincomycin

This medicine may also interact with the following medications:

  • amiodarone
  • antacids
  • cyclosporine
  • digoxin
  • dihydroergotamine or ergotamine
  • magnesium
  • nelfinavir
  • phenytoin
  • warfarin

What should I watch for while using this medicine?

Tell your doctor or health care professional if your symptoms do not improve.

Do not treat diarrhea with over the counter products. Contact your doctor if you have diarrhea that lasts more than 2 days or if it is severe and watery.

This medicine can make you more sensitive to the 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.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:
  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
  • confusion, nightmares or hallucinations
  • dark urine
  • difficulty breathing
  • hearing loss
  • irregular heartbeat or chest pain
  • pain or difficulty passing urine
  • redness, blistering, peeling or loosening of the skin, including inside the mouth
  • white patches or sores in the mouth
  • yellowing of the eyes or skin

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • diarrhea
  • dizziness, drowsiness
  • headache
  • stomach upset or vomiting
  • tooth discoloration
  • vaginal irritation

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). Keep the bottle closed tightly until ready to use. Use within 12 hours.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.


Last Updated: March 12, 2009
Licensed from
The Healthline Site, its content, such as text, graphics, images, search results, HealthMaps, Trust Marks, and other material contained on the Healthline Site ("Content"), its services, and any information or material posted on the Healthline Site by third parties are provided for informational purposes only. None of the foregoing is a substitute for professional medical advice, examination, diagnosis, or treatment. Always seek the advice of a physician or other qualified healthcare provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on the Healthline Site. If you think you may have a medical emergency, call your doctor or 911 immediately. Please read the Terms of Service for more information regarding use of the Healthline Site.
Advertisement
Advertisement