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Detailed medicine guidance

Who can and cannot take azithromycin

NHS medicines information on who can take azithromycin and who may not be able to take it.

About this information

This NHS content is written for people in England. Medicine names, availability, prescribing and services may differ in other countries.

Who can take azithromycin

Most adults and children can take azithromycin.

Who may not be able to take azithromycin

Azithromycin is not suitable for some people. To make sure it's safe for you, tell your doctor if you have:

  • ever had an allergic reaction to azithromycin or any other medicine
  • liver or kidney problems
  • heart problems, including irregular heartbeats (arrhythmia)
  • ever had diarrhoea when you have taken antibiotics before
  • myasthenia gravis – azithromycin can make the symptoms of this muscle-weakening condition worse
  • diabetes – azithromycin liquid contains sugar

View the original NHS website page ↗. Refreshed 19 August 2026.

Licensed under the Open Government Licence v3.0 ↗. MyPHU is independent and is not endorsed by the NHS.

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