This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. Call your doctor for medical advice about side effects. In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at Before taking azithromycin, tell your doctor or pharmacist if you are allergic to it; or to other antibiotics such as erythromycin, clarithromycin, telithromycin ; or if you have any other allergies.
This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using this medication, tell your doctor or pharmacist your medical history, especially of:.
Azithromycin may cause a condition that affects the heart rhythm QT prolongation. The risk of QT prolongation may be increased if you have certain medical conditions or are taking other drugs that may cause QT prolongation. Before using azithromycin, tell your doctor or pharmacist of all the drugs you take and if you have any of the following conditions:. Low levels of potassium or magnesium in the blood may also increase your risk of QT prolongation.
Talk to your doctor about using azithromycin safely. Azithromycin may cause live bacterial vaccines such as typhoid vaccine to not work as well. Before having surgery, tell your doctor or dentist about all the products you use including prescription drugs, nonprescription drugs, and herbal products. Older adults may be more sensitive to the side effects of this drug, especially QT prolongation see above.
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor. Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Do not start, stop, or change the dosage of any medicines without your doctor's approval. Many drugs besides azithromycin may affect the heart rhythm QT prolongation , including amiodarone, chloroquine, disopyramide, dofetilide, dronedarone, hydroxychloroquine, ibutilide, pimozide, procainamide, quinidine, sotalol, among others.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call Your doctor may also prescribe mg taken as a single dose on day 1, followed by mg once per day on days 2 through 5.
Your doctor may prescribe mg taken in a single dose on day 1, followed by mg once per day on days 2 through 5. Your doctor may prescribe mg in a single dose on day 1, followed by mg once per day on days 2 through 5.
For treatment , typical dosage is mg once per day, taken with the drug ethambutol. However, because drugs affect each person differently, we cannot guarantee that this list includes all possible dosages. Always speak with your doctor or pharmacist about dosages that are right for you.
Azithromycin is typically used for short-term treatment. For azithromycin to work well, a certain amount needs to be in your body at all times. If you take too much: You could have dangerous levels of the drug in your body. This may cause liver damage or an irregular heart rhythm. If your symptoms are severe, call or go to the nearest emergency room right away. What to do if you miss a dose: Take your dose as soon as you remember. But if you remember just a few hours before your next scheduled dose, take only one dose.
Never try to catch up by taking two doses at once. This could result in dangerous side effects. If you take too much azithromycin, you could have dangerous levels of the drug in your body.
This may cause liver damage and irregular heart rhythm. A prescription for this medication is refillable. You should not need a new prescription for this medication to be refilled. Your doctor will write the number of refills authorized on your prescription.
A class of drugs is a group of medications that work in a similar way. These drugs are often used to treat similar conditions. Azithromycin belongs to a drug class called macrolide antibiotics. Antibiotics are drugs used to treat infections caused by bacteria. Each antibiotic only works against infections caused by certain types of bacteria, so there are many classes and types of antibiotics.
Macrolide antibiotics are typically used to treat infections such as strep throat , syphilis , Lyme disease , and respiratory infections. The other macrolide antibiotics available in the United States are clarithromycin and erythromycin. There are other drugs available to treat your condition. Some may be better suited for you than others. Talk to your doctor about other drug options that may work for you. There are no known problems with taking herbal remedies or supplements alongside azithromycin.
Tell your doctor or pharmacist if you're taking any other medicines, including herbal medicines, vitamins or supplements. Azithromycin is from a group of medicines called macrolide antibiotics. Macrolide antibiotics work by killing the bacteria that cause the infection.
There are other macrolide antibiotics that work in the same way as azithromycin. They include erythromycin and clarithromycin. It's usual to take azithromycin once a day. For erythromycin, it's usually 4 times a day, and twice a day for clarithromycin.
Erythromycin is more likely to cause diarrhoea than either azithromycin or clarithromycin. All macrolides can be used to treat chest and skin infections.
Azithromycin and erythromycin can also be used to treat sexually transmitted infections. Clarithromycin can also be used to treat Helicobacter pylori, bacteria that can cause stomach ulcers. Azithromycin and other macrolide antibiotics kill similar types of bacteria to penicillin antibiotics, such as amoxicillin. Some people are allergic to penicillin antibiotics - they can take macrolides like azithromycin instead.
It's very important that you keep taking azithromycin until your course is finished. Do this even if you feel better. It'll help stop the infection coming back.
Tell your doctor if you don't start feeling better after taking azithromycin for 3 days. Also tell them if, at any time, you start to feel worse. Some people get a fungal infection called thrush after taking a course of antibiotics like azithromycin. Antibiotics kill the normal harmless bacteria that help to protect you against thrush. Symptoms of thrush in the mouth include redness and itching.
Women may get vaginal itching. Azithromycin doesn't stop contraceptive pills, including the combined pill and emergency contraception. But if azithromycin makes you vomit or have severe diarrhoea 6 to 8 watery poos in 24 hours for more than 24 hours, your contraceptive pills may not protect you from pregnancy.
Look on the pill packet to find out what to do. Read more about what to do if you're on the pill and you're being sick or have diarrhoea. There's no firm evidence to suggest that taking azithromycin will reduce fertility in either men or women. However speak to a pharmacist or your doctor before taking it if you're trying to get pregnant. Azithromycin can cause dizziness.
If you're affected by it, do not drive, ride a bike or operate machinery. Page last reviewed: 6 December Next review due: 6 December Azithromycin On this page About azithromycin Key facts Who can and cannot take azithromycin How and when to take it Side effects How to cope with side effects Pregnancy and breastfeeding Cautions with other medicines Common questions. Like all antibiotics, azithromycin can only fight certain bacteria. For this reason, it is important to talk to a doctor before taking the drug.
It is not effective against viral infections or as a pain reliever. This article provides an overview of azithromycin, including its uses, side effects, warnings, and drug interactions. Azithromycin can fight a wide range of bacteria, including many in the Streptococcus family.
It can stop harmful bacteria from growing. Healthcare providers tend to use this drug to treat mild-to-moderate infections of the lungs, sinuses, skin, and other body parts.
A doctor may prescribe azithromycin to treat the following bacterial infections:. Azithromycin is a prescription medication. Therefore, people should not take it without a prescription. The drug is available in the form of a tablet, an oral suspension solution, an eye drop, and an injection. The best type and dosage depends on the infection a person has.
People can take the drug with or without food. They should thoroughly shake the liquid form before use. Some examples of common dosages include :. Using antibiotics incorrectly can lead to the development of drug-resistant strains of bacteria, meaning that antibiotics no longer work against them. This is called antibiotic resistance. Learn more about antibiotic resistance here. Like all drugs, azithromycin can have certain side effects.
These are usually minor. In clinical trials, only 0. People who have myasthenia gravis , a condition that causes muscle weakness, may develop worsening symptoms or breathing problems.
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