Avomine 25mg

Standby medication for the treatment and prevention of travellers' diarrhoea: antibiotics (Ciprofloxacin and Azithromycin), anti-sickness and anti-diarrhoea medication.

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Avomine 25mg

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Prescription fees

Medicinesbymailbox supplies medicine on prescription and charges a small prescription fee based on the order value of each prescription.Prescriptions are issued by our doctors online and sent electronically to our pharmacy.If you have your own private paper prescription please post to our pharmacy (details).

Order value Prescription fee
Any Order Value £0.00

Avomine tablets product information

Avomine contains an active ingredient called Promethazine which is an anti-sickness medicine. It helps to prevent or treat nausea or vomiting associated with Travellers' Diarrhoea.

How to use

A tablet each night is usually sufficient, but some patients may need 2-3 tablets taken at intervals during the day.  

Do not take Avomine for more than 7 days.

Side effects of Avomine

Like all medicines, Avomine can cause some side effects, although not everyone gets them.

The most common side effects associated are: dryness of the mouth, drowsiness, dizziness and blurring of vision. These side effects are usually mild but if they trouble you, you should speak to a doctor or pharmacist for advice. It is also important that you avoid driving or operating machinery should dizziness occurs.

If you experience these uncommon but serious side effects, you should stop using Avomine and seek urgent medical advice:

  • Signs of allergic reaction: difficulty breathing, swelling of eyes, lips or face and severe itching of the skin
  • Irregular heart beats or low blood pressure (dizziness when standing up)

The full list of side effects can be found on the patient information leaflet.


When ordering from Medicinesbymailbox, you will be prompted to answer a series of Yes/No questionnaires to determine your suitability to the medications. You should NOT use Avomine without consulting a doctor if you:

  • are allergic to promethazine
  • have or had an eye condition called glaucoma
  • have epilepsy
  • have any heart, liver or kidney disease
  • are pregnant or breast feeding
  • have taken an antidepressant called monoamine oxidase inhibitor (MAOIs) within the last 14 days
  • are taking other medicines. The full list of medicines can be found in the patient information leaflet.

You should also avoid alcohol whilst on this medicine as they can interact with each other and cause unwanted side effects.

Patient information leaflet

The 'patient information leaflet' supplied with the medication must be read before use.