What does it do?

Erythromycin is used to treat and prevent bacterial infections and sometimes other conditions.

Before you start

• Tell your doctor if you have heart, liver or gut problems.
• Tell your doctor if you are pregnant, planning to become pregnant, or breastfeeding.
• Your doctor may do a heart test (ECG) before you start and while you are taking erythromycin.
• Tell your doctor if you have phenylketonuria (PKU). The erythromycin liquid may contain aspartame (a source of phenylalanine).

How should you take it?

Take erythromycin regularly as directed. Keep taking it until the course is finished, even if you start to feel better.
Take the tablets with a glass of water.
Measure the liquid carefully with an oral syringe or measuring spoon. Shake the bottle well before measuring each dose.

What if you forget a dose?

Take the missed dose as soon as possible and continue as directed.

Can you take other medicines?

Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products (e.g. St John's wort) or recreational drugs.

What side effects might you notice?

Side Effects	Recommended action
Fast or irregular heartbeat, fainting Symptoms of liver problems including: yellow skin or eyes, itching, dark urine, pale bowel motions, abdominal pain	Tell your doctor immediately
Severe or persistent diarrhoea, abdominal pain Hearing loss, ringing in the ears Small white sores in mouth, furry tongue (oral thrush) Vaginal itch or discharge (vaginal thrush)	Tell your doctor
Diarrhoea Headache	Tell your doctor if troublesome
Stomach upset	Take with food

If you notice any other effects, discuss them with your doctor or pharmacist.

Other information:

• Store erythromycin liquid as directed. Once the course is finished, take any leftover liquid back to your pharmacy.