Antibiotics & You
← All antibiotics
Macrolides

Erythromycin

Chest infectionsSkin infections and acnePenicillin allergy
Start a diary for this antibiotic

Information follows NICE antimicrobial prescribing guidance and the BNF.

Common side effects

  • Feeling sick
  • Being sick
  • Stomach cramps
  • Diarrhoea

How often each one happens varies by medicine and product, so check your leaflet. Many are mild, but ask your pharmacist or doctor if they are troublesome or do not settle.

Less common side effects

  • Loss of appetite
  • Rash
  • Hearing changes at high doses

Get medical help straight away if you notice

  • Irregular heartbeat
  • Yellowing of the skin or eyes
  • Severe allergic reaction

Taking it safely

  • Taking it with food can reduce stomach upset.
  • Can be used in pregnancy when your prescriber recommends it.

Report a side effect

You can report any suspected side effect to the UK Yellow Card scheme at yellowcard.mhra.gov.uk.