Zithromax (Azithromycin): Side Effects, Dosage, How to use

Zithromax (Azithromycin): Side Effects, Dosage, How to use

What is Zithromax?

Zithromax (azithromycin) is an antibiotic that fights bacteria. ZITHROMAX (azithromycin tablets and oral suspension) contains the active ingredient azithromycin, a macrolide antibacterial drug, for oral administration. Azithromycin has the chemical name (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-13-[(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl) oxy]-2-ethyl- 3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-11- [[3,4,6- trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl] oxy]-1-oxa-6-azacyclopentadecan-15-one. Azithromycin is derived from erythromycin; however, it differs chemically from erythromycin in that a methyl-substituted nitrogen atom is incorporated into the lactone ring. Its molecular formula is C38H72N2O12, and its molecular weight is 749.0. Azithromycin is used to treat a wide variety of bacterial infections. It is a macrolide-type antibiotic. It works by stopping the growth of bacteria.

This drug will not work for viral infections (such as common cold, flu). Unnecessary use or misuse of any antibiotic can lead to its decreased effectiveness.

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

Zithromax may also be used for purposes not listed in this drug guide.

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How to use Zithromax?

Zithromax can be taken with or without food. Use this medicine in your mouth as prescribed by your doctor, usually once a day with or without food. If this stomach upset, you can take this medicine with food. The dose is based on your medical condition and response to treatment.

For best results, put this antibiotic over a suitable time interval. To help you remember, take it at the same time (s) every day. Use this medication for the duration of time. Your symptoms may be improved before the infection is completely cleared. Denying doses may increase the risk of developing more infections resistant to antibiotics. Zithromax will not treat a viral infection such as influenza or cold.

Continue the drug until the full amount is completed, even if symptoms disappear after a few days. Stopping this medicine may initially cause bacteria to grow, which may result in the infection coming back.

Spread the oral suspension (fluid) right before measuring a dose. Take the liquid medicine with a syringe dose, or with a special spoon for a dose or medicine cup. If you do not have a dose measuring device, ask your pharmacist for one.

Dosage of Zithromax

Continue the drug until the full amount is completed, even if symptoms disappear after a few days. Stopping this medicine may initially cause bacteria to grow, which may result in the infection coming back.

Antacids containing aluminum or magnesium may reduce the absorption of azithromycin when taken at the same time. If you take an antioxidant containing aluminum or magnesium, wait at least 2 hours before or after taking azithromycin.

Symptoms of over dose 

Side reactions that have been experienced in excess of recommended doses are similar to those seen in normal doses. If over dosage is happened, symptomatic and supportive measures are required as needed.

Zithromax

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Side Effects of Zithromax

Stomach upset, loose diarrhea / stool, nausea, vomiting or abdominal pain may occur. If any of these effects persists or worsens, tell your doctor or pharmacist promptly.

Remember that your doctor prescribed this medication because he has judged your benefits are greater than the risk of side effects. Many people with this drug do not have serious side effects.

Tell your doctor if any of these side effects are unlikely to be serious: auditory changes (such as hearing loss, deafness), eye problems (eyelids, blinking), difficulty speaking / swallowing, muscle weakness, Liver problems (such as unusual fatigue, persistent nausea and vomiting, severe stomach and abdominal pain, eye / skin yellow, dark urine). If you have:

Severe stomach pain, bleeding diarrhea or bleeding

Fast or sharp heartbeat, chest tightness, shortness of breath and sudden dizziness (such as may be erased); or

Liver problems - Nausea, upper stomach pain, itching, feeling tired, loss of appetite, dark urine, rainbow feces, jaundice (yellowish skin or eyes).

Call a doctor if a child with zytromex is nourished or eating when it is irritable or vomiting.

Elderly adults may have side effects to the heart rhythm, including fast heartbeat.

Common side effects of Zithromax may include:

Diarrhea;

Nausea, vomiting, stomach acne; or

Headache

This list is not the full list of side effects and others may occur.

Drugs that may interact with Zithromax

Tell your doctor about all your current drugs and any you start or stop using, especially:

nelfinavir; or

a blood thinner - warfarin, Coumadin, Jantoven.

Although most antibiotics are unlikely to affect hormonal birth control such as pills, patch, or ring, a few antibiotics (such as rifampin, rifabutin) can decrease their effectiveness. This could result in pregnancy. If you use hormonal birth control, ask your doctor or pharmacist for more information.

Many drugs besides azithromycin may affect the heart rhythm (QT prolongation), including amiodarone, disopyramide, dofetilide, dronedarone, ibutilide, pimozide, procainamide, quinidine, sotalol, among others.

This list is not complete.

For whom Zithromax might not be safe

Tell your doctor or pharmacist if you are allergic to azithromycin, or other antibiotics (such as erythromycin, clarithromycin, thihydromycin); or if you have an allergy. This product may contain inactive material that can cause allergic reactions and other problems. Talk to your pharmacist for more information.

Elderly adults may be more susceptible to side effects, especially QT prolongation.

During pregnancy, this medication should only be used when needed.

This medicine is transmitted to breast milk. Consult your doctor before breast-feeding.

Tell your doctor or pharmacist before using this medicine, especially: liver disease, kidney disease, a specific muscle disease (Myasthenia gravis).

To ensure that Zithromax is safe for you, tell your doctor if you have ever had:

kidney disease;

Liver disease;

Myasthenia Graves;

Heart rhythm disorder; or

Low potassium levels in your blood; or

Long QT syndrome (in you or a family member).

Warnings of Zithromax

Azithromycin may not use live bacterial vaccines (such as typhoid vaccines). Do not vaccinate while using this medicine unless your doctor tells you.

Zithromax

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