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Medications and Drugs

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

Generic Name: azithromycin (Pronunciation: a ZITH roe MYE sin)

What is azithromycin (Azithromycin 3 Day Dose Pack, Azithromycin 5 Day Dose Pack, Zithromax, Zithromax TRI-PAK, Zithromax Z-Pak, Zmax)?

Azithromycin is a macrolide antibiotic. Azithromycin fights bacteria in the body.

Azithromycin is used to treat many different types of infections caused by bacteria, such as respiratory infections, skin infections, ear infections, and sexually transmitted diseases.

Azithromycin may also be used for purposes not listed in this medication guide.

Azithromycin 1 g Sus-GRE


Azithromycin 250 mg-APO

oval, white, imprinted with APO, AZ250

Azithromycin 250 mg-MYL

round, blue, imprinted with M 533

Azithromycin 250 mg-TEV

oblong, pink, imprinted with 93, 7146

Azithromycin 500 mg-APO

oval, white, imprinted with APO, AZ500

Azithromycin 500 mg-GG

oval, white, imprinted with GG D8

Azithromycin 500 mg-MYL

oblong, blue, imprinted with M534

Azithromycin 500 mg-TEV

oblong, pink, imprinted with 93, 7169

Azithromycin 600 mg-APO

oval, white, imprinted with APO, AZ600

Azithromycin 600 mg-GG

oval, white, imprinted with GGD7

Azithromycin 600 mg-GRE

oval, white, imprinted with 3080, G

Azithromycin 600 mg-MYL

oblong, blue, imprinted with M535

Azithromycin 600 mg-TEV

oval, white, imprinted with 93, 7147

Zithromax 250 mg

oval, red, imprinted with PFIZER, 306

Zithromax 600 mg

oval, white, imprinted with 308, PFIZER

What are the possible side effects of azithromycin?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using azithromycin and call your doctor at once if you have a serious side effect such as:

  • diarrhea that is watery or bloody;
  • headache with chest pain and severe dizziness, fainting, fast or pounding heartbeats;
  • nausea, upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); or
  • severe skin reaction -- fever, sore throat, swelling in your face or tongue, burning in your eyes, skin pain, followed by a red or purple skin rash that spreads (especially in the face or upper body) and causes blistering and peeling.

Less serious side effects may include:

  • mild diarrhea, vomiting, constipation;
  • stomach pain or upset;
  • dizziness, tired feeling, mild headache;
  • nervous feeling, sleep problems (insomnia);
  • vaginal itching or discharge;
  • mild rash or itching;
  • ringing in your ears, problems with hearing; or
  • decreased sense of taste or smell.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about azithromycin?

You should not use this medication if you have ever had jaundice or liver problems caused by taking azithromycin. You should not use azithromycin if you are allergic to it or to similar drugs such as erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin, Pediazole), clarithromycin (Biaxin), telithromycin (Ketek), or troleandomycin (Tao).

There are many other medicines that can interact with azithromycin. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor. Keep a list of all your medicines and show it to any healthcare provider who treats you.

Take this medicine for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared. Skipping doses may also increase your risk of further infection that is resistant to antibiotics. Azithromycin will not treat a viral infection such as the common cold or flu.

Avoid taking an antacid within 2 hours before or after you take azithromycin. Some antacids can make it harder for your body to absorb azithromycin.

Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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