Azithromycin belongs to a class of antibiotics known as macrolides. It is used to treat bacterial infections such as in the respiratory tract, and certain sexually transmitted infections. It may also be used for other conditions as determined by your doctor.
You can also find out about this medication by watching these videos:
For videos in 中文, Melayu and தமிழ், click here.
If you forget to take a dose, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take the next dose at the usual scheduled time. Do not take two doses to make up for the missed dose.
Inform your healthcare professional if:
Azithromycin may affect the levels of other medications in your body. Inform your healthcare providers if you are taking Simvastatin (a medicine used to lower cholesterol), Warfarin (blood thinner) or any medications used to treat arrhythmias (problem with your heartbeat). Taking Azithromycin together with these medicines may increase the risk of side effects of these medications.
The symptoms of a drug allergy include one or more of the following:
You can also find out about drug allergies by watching these videos:
For videos in 中文, Melayu and தமிழ், click here.
Other rare side effects include:
If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.
Store in a cool and dry place, away from direct sunlight. Keep this medication away from children.
Azithromycin Suspension: Follow the storage and expiry date as stated on the bottle or as advised by your healthcare professionals.
Pack the medication into a bag and bring it back to the pharmacy where you received the medication from.
Disclaimers
Please take note that the above is not a complete list of all possible side-effects. If you have any concerns about your medication or if you have other side-effects that you think are caused by this medication, please consult your doctor or pharmacist. If you take more than the recommended dose, please seek medical advice immediately. The information provided on this page does not replace information from your healthcare professional. Please consult your healthcare professional for more information.
This article is jointly developed by members of the National Medication Information workgroup. The workgroup consists of cluster partners (NHG Health, National University Health System and SingHealth), community pharmacies (Guardian, Unity and Watsons) and Pharmaceutical Society of Singapore. The content does not reflect drug availability and supply information in pharmacies and healthcare institutions. You are advised to check with the respective institutions for such information.
Last Updated on October 2026
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