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About phenoxymethylpenicillin

Phenoxymethylpenicillin is a type of penicillin antibiotic.

It's used to treat bacterial infections, including ear, chest, throat and skin infections.

It can also be used to prevent infections if you have sickle cell disease, or if you have had chorea (a movement disorder), rheumatic fever, or your spleen removed.

Phenoxymethylpenicillin is only available on prescription. It comes as tablets or as a liquid that you swallow.

Key facts

  • You'll usually take phenoxymethylpenicillin 4 times a day to treat an infection.
  • In most cases you'll start to feel better in a few days.
  • The most common side effects of phenoxymethylpenicillin are feeling sick and diarrhoea.
  • Some people may have an allergic reaction to antibiotics, especially phenoxymethylpenicillin and other penicillins.
  • You can drink alcohol while taking phenoxymethylpenicillin.

Page last reviewed: 26 January 2022
Next review due: 26 January 2025