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Travellers' diarrhoea

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



Ciprofloxacin 500mg (3 day course)

Loperamide 2mg (Imodium)

Avomine 25mg

Medical information

Traveller's Diarrhoea is a diarrhoea that occurs during or short after travelling aboard. It is caused by eating food or drinking water that may contain certain types of germs or bacteria. It commonly affects those who travel from developed countries (such as UK) to a less developed countries, for example Southeast Asia, Central America and some parts of Africa. This is because of hygiene and sanitary measures that are not of the same standards. 


Diarrhoea is the main symptom of traveller's diarrhoea. Other symptoms include:

  • stomach cramps or pains
  • nausea
  • vomiting
  • fever

Symptoms are usually mild and last for about 3-4 days. Children, elderly and those with weaker immune systems due to health condition may have more severe symptoms and require medical treatment.


In most cases, specific treatment is not required and symptoms will resolve within a few days.

The most important thing is to make sure that you drink plenty of fluids to replace those lost during diarrhoea and prevent dehydration. You should drink more than the amount you usually drink. Rehydration drinks are also available in pharmacies to replace lost fluids and electrolytes in your body.

However, for those who want to reduce severity of symptoms and avoid disruption during your journey, there are several treatments available from Medicinesbymailbox as a standby before you travel:

  • Loperamide, an effective anti-diarrhoeal medicine
  • Ciprofloxacin and azithromycin, 'just in case' antibiotics for destinations where medical assistance is poor (issued on private prescriptions)
  • Avomine, an anti-sickness medicine used to stop nausea and vomiting


There are several measures that can be done to prevent traveller's diarrhoea:

  • Avoid street food or places that appear dirty
  • Try to eat food that is served piping hot
  • Drink bottled or boiled drinks and avoid tap water or ice cubes
  • Avoid unpasteurised milk
  • Eat fruits that can be peeled, but not those that are already peeled
  • Avoid uncooked meat, shellfish, eggs and raw food such as salads
  • Wash your hands before preparing food or eating and after going to the toilet

Detailed information about travellers' diarrhoea from the NHS Fit for Travel website, depending on your destination. You can also visit your GP or travel clinic before your journey to get specific advice.

Answer medical questions to order

You must read the important medical information for prescription tablets.

See medical information section

Have you read the medical information?

See medical information section


Please read the medical information before continuing.

  • Yes
  • No

Are you allergic to Azithromycin or erythromycin?


If you are allergic to erythomycin or azithromycin you may be able to take the alternative antibiotic ciprofloxacin. We are unable to prescribe azithromycin for you.

  • Yes
  • No

Have you been diagnosed with liver, kidney or heart disease?


Please see your regular doctor before taking azithromycin. You may be able to take the alternative antibiotic, ciprofloxacin. We are unable to prescribe azithromycin for you.

  • Yes
  • No

Are you taking any of the following medications regularly?

  • Ciclosporin - for reducing immunity after transplant
  • Digoxin - for irregular heart or heart failure
  • Ergotamine - taken rarely for migraine
  • Terfenadine - antihistamine for hay fever and allergy
  • Theophylline - for asthma used rarely
  • Disopyramide - for irregular heart used rarely
  • Rifabutin - rarely used antibiotic
  • Coumarins - anticoagulant for thinning the blood -includes warfarin


Please see your regular doctor before taking azithromycin. You may be able to take the alternative antibiotic for treatment of traveller's diarrhoea, ciprofloxacin. We are unable to prescribe azithromycin for you.

  • Yes
  • No

Are you planning to take azithromycin whilst pregnant or breast-feeding?


Manufacturers advise against use in pregnancy and whilst breast-feeding. Please see your regular doctor to discuss the risks and benefits of treatment. We are unable to prescribe azithromycin for you.

  • Yes
  • No

Are you aware traveller's diarrhoea should start to improve within 24 hours of starting antibiotic.


If symptoms are not improving or are worsening you should seek medical advice. You can change your answer and continue.

  • Yes
  • No

Do all the following apply to you?

  • I am over 18
  • The medication is for my own use
  • I will read the information leaflet supplied with the medication
  • I agree to the terms and conditions


The conditions must apply for you to use this service.

  • Yes
  • No


Travellers' diarrhoea Pils Quantity Cost
Azithromycin 250mg 8 tablets (2 courses) £28.10
Azithromycin 250mg- 4 tablets (1 course) £14.70
Ciprofloxacin 500mg 6 tablets (3 day course) £11.50
Ciprofloxacin 500mg- 12 tablets (2 x 3 day courses) £17.80
Loperamide capsules 2mg 30 capsules £5.50
Loperamide capsules 2mg- 60 capsules £7.25
Avomine 25mg (Promethazine) 10 tablets £6.20
Avomine 25mg (Promethazine) - 28 tablets £10.55
Medicinesbymailbox prices are 25%-50% lower cost than other online clinics.

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).Medicinesbymailbox prices are 25%–50% lower than other UK online clinics.

Order value Prescription fee
Any Order Value £25.00
Items Medicinesbymailbox Dr. Fox Pharmacy2U Superdrug Express Pharmacy Lloyds Med Express
Azithromycin 250mg £28.10 NA NA NA NA NA NA
Azithromycin 250mg- £14.70 £ 34.00 £ 14.90 £ 15.00 £ 16.00 £ 16.80 £ 17.00
Ciprofloxacin 500mg £11.50 £ 34.00 £ 12.00 £ 12.60 £ 13.00 £ 14.00 £ 15.00
Ciprofloxacin 500mg- £17.80 £ 34.00 £ 17.99 £ 18.00 £ 18.50 £ 19.00 £ 234.00
Loperamide capsules 2mg £5.50 NA NA NA NA NA NA
Loperamide capsules 2mg- £7.25 NA NA NA NA NA NA
Avomine 25mg (Promethazine) £6.20 £ 0.00 £ 6.80 £ 7.10 £ 7.90 £ 8.00 £ 8.99
Avomine 25mg (Promethazine) - £10.55 £ 0.00 £ 10.99 £ 11.20 £ 12.50 £ 13.00 £ 14.00
*Medicinesbymailbox adds a small prescription fee not included in table above.

Delivery charges

UK delivery £2.90 per consultation via Royal Mail 24 Signed For (1-4 working days).

Standard international delivery £5.90 flat rate via Royal Mail International Tracked & Signed (2-5 working days).

Express international delivery £32.00 flat rate via DHL Express (2-8 days depending on destination, with tracking in transit).