Zithromax (Azithromycin) Drug Information
- Why
- How
- Other Uses
- Precautions
- Special Dietary
- If I Forget
- Side Effects
- Storage Conditions
- Overdose
- Other Information
- Brand Names
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Why is this medication prescribed?
Zithromax (azithromycin) is used to treat certain infections caused by bacteria, such as bronchitis; pneumonia; sexually transmitted diseases (STD); and infections of the ears, lungs, skin, and throat. Zithromax (azithromycin) is in a class of medications called macrolide antibiotics. It works by stopping the growth of bacteria. Antibiotics will not work for colds, flu, or other viral infections.
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How should this medicine be used?
Zithromax (azithromycin) comes as a tablet and oral suspension (liquid) to take by mouth. It is usually taken with or without food once a day for 1-5 days. To help you remember to take Zithromax (azithromycin), take it around the same time every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take Zithromax (azithromycin) exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
Shake the liquid well before each use to mix the medication evenly. Use only the syringe provided to measure the correct amount of medication. Rinse the syringe with water after taking the full dose of medication.
The tablets should be taken with a full glass of water.
Take Zithromax (azithromycin) until you finish the prescription, even if you feel better. Stopping Zithromax (azithromycin) too soon may cause bacteria to become resistant to antibiotics.
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Other uses for this medicine
Zithromax (azithromycin) is also used sometimes to treat H. pylori infection, early Lyme disease, and other infections. It is also used sometimes to prevent heart infection in patients having dental or other procedures and to prevent STD in victims of sexual assault. Talk to your doctor about the possible risks of using this medication for your condition.
This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.
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What special precautions should I follow?
Before taking Zithromax (azithromycin):
- tell your doctor and pharmacist if you are allergic to Zithromax (azithromycin), clarithromycin (Biaxin), dirithromycin (Dynabac), erythromycin (E.E.S., E-Mycin, Erythrocin), or any other medications.
- tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking. Be sure to mention any of the following: anticoagulants ('blood thinners') such as warfarin (Coumadin); cyclosporine (Neoral, Sandimmune); digoxin (Lanoxin); dihydroergotamine (D.H.E. 45, Migranal); ergotamine (Ergomar); medications that suppress the immune system; nelfinavir (Viracept); phenytoin (Dilantin); and terfenadine (Seldane). Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
- if you take antacids (Mylanta, Maalox), take them 2 hours before or 4 hours after Zithromax (azithromycin).
- tell your doctor if you have or have ever had cystic fibrosis, human immunodeficiency virus (HIV), irregular heartbeat, or kidney or liver disease.
- tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking Zithromax (azithromycin), call your doctor.
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What special dietary instructions should I follow?
Unless your doctor tells you otherwise, continue your normal diet.
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What should I do if I forget a dose?
Inhale the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not inhale a double dose to make up for a missed one.
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What side effects can this medication cause?
Zithromax (azithromycin) may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
- upset stomach
- diarrhea
- vomiting
- stomach pain
- mild skin rash
Some side effects can be serious. The following symptoms are uncommon, but if you experience any of them, call your doctor immediately:
- severe skin rash
- hives
- itching
- difficulty breathing or swallowing
- swelling of the face, throat, tongue, lips, eyes, hands, feet, ankles, or lower legs
- hoarseness
- yellowing of the skin or eyes
- rapid, pounding, or irregular heartbeat
Zithromax (azithromycin) may cause other side effects. Call your doctor if you have any unusual problems while taking this medication.
If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online [at http://www.fda.gov/Safety/MedWatch] or by phone [1-800-332-1088].
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What storage conditions are needed for this medicine?
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store the tablets at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Keep liquid medicine tightly closed at room temperature or in the refrigerator, and throw away any unused medication after 10 days. Do not freeze. Talk to your pharmacist about the proper disposal of your medication.
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In case of emergency/overdose
In case of overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.
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What other information should I know?
Keep all appointments with your doctor and the laboratory. Your doctor may order certain lab tests to check your body's response to Zithromax (azithromycin).
Do not let anyone else take your medication. Your prescription is probably not refillable. If you still have symptoms of infection after you finish the Zithromax (azithromycin), call your doctor.
It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.
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Brand Names
- Zithromax®
- Zithromax® Single Dose Packets
- Zithromax® Tri-Paks®
- Zithromax® Z-Pak®