This antibiotic is commonly used to treat, and prevent, infections caused by bacteria. The major ingredient is azithromycin which helps recovery from tonsillitis, pneumonia, sexually transmitted diseases, strep throat, respiratory infections, and infections of the ear or skin.

How is Zithromax supplied?

Zithromax tablets are film-coated, each containing 250mg of azithromycin. An oral suspension is also available.

Dosage

Zithromax must be used exactly as per your doctor's instructions. Your doctor will decide on your specific dosage and length of treatment.

If you have been prescribed the capsules, each dose should be taken 1-2 hours before food. Each dose must be taken with 8 ounces of water (one glass).

If you have been prescribed the oral suspension, use a proper measuring cup or spoon to make sure you pour the correct amount. A kitchen spoon is not suitable. Before measuring the dose, shake the bottle well.

In the case of a missed dose, it may be taken when remembered, but if the next dose is due soon, do not take the missed dose. Never take extra amounts of medication to catch up on missed doses.

If an overdose of Zithromax is suspected, get professional medical attention quickly. Symptoms are severe stomach pain, diarrhea, nausea, or vomiting.

Zithromax does not cure or prevent viral infections like influenza and colds.

Special Instructions/Precautions

Anyone who has experienced an allergic reaction to azithromycin, or other similar medications should not use Zithromax.

Before prescribing this drug, your doctor will require complete details regarding your medical history. He or she will also need to know the names of other medicines you are using, prescription or otherwise.

Zithromax may not be safe for patients with a history of Long QT syndrome, myasthenia gravis, irregular heart rate, kidney disease, or liver disease.

Zithromax is not likely to harm an unborn infant. But if you are pregnant, or become pregnant during treatment with Zithromax, inform the doctor. This medication may taint breast milk therefore the risk of breastfeeding should be discussed with a medical professional.

It is very dangerous to stop using this medication without confirmation from a doctor. This could allow the bacteria to survive and cause a severe relapse.

If you suffer with diarrhea while using Zithromax, do not use an over-the-counter medication to treat diarrhea. Speak to a doctor.

This drug can make your skin more sensitive to the sun. If you go outdoors, wear clothing that protects all parts of your body, a hat, and sunscreen. Do not lie on tanning beds or use a sun lamp or a tan booth.

Potential side effects

The most serious side effect is an allergic reaction. Get medical help as quickly as possible if you are dizzy, if you are short of breath, if your facial area swells up, or if you break out in a severe rash or hives.

Other possible side effects that should be referred to a doctor are: jaundice, clay colored stools, fever, lack of appetite, nausea, stomach pain, bloody or watery diarrhea, irregular heart rate, or chest pain.

Common, and usually temporary, side effects are: mild nausea, constipation or diarrhea, vomiting, stomach pain, fatigue, headache, dizziness, insomnia, vaginal discharge or itching, mild skin rash, hearing problems, a decrease in smell or taste.