HEALTH CONDITION
Diphtheria
Diphtheria is a contagious infection that affects the nose and throat, and sometimes the skin. It's rare in the UK, but there's a small risk of catching it if you travel to some parts of the world.
Get vaccinated against diphtheria
Diphtheria is rare in the UK because babies and children have been routinely vaccinated against it since the 1940s. When childhood diphtheria vaccinations are given The vaccines are given at: 8 weeks, 12 weeks, 16 weeks and 18 months – 6-in-1 vaccine (4 separate doses) 3 years 4 months – 4-in-1 pre-school booster 14 years – 3-in-1 teenage booster Travel vaccination for diphtheria The best way to avoid diphtheria while travelling is to be fully vaccinated against it. If you're travelling to a part of the world where there may be a risk of diphtheria, you may need a booster vaccination if you were last vaccinated against it more than 10 years ago. Some parts of the world where there may be a risk include: Africa South America India south east Asia eastern Europe Information: You may be able to get a combined vaccine against diphtheria, tetanus and polio free on the NHS. Ask at a GP surgery.
How diphtheria is spread
Diphtheria is a contagious bacterial infection. It's spread by coughs and sneezes, or through close contact with someone who is infected. You can also get it by sharing items such as cups, cutlery, clothing or bedding with an infected person.
Symptoms of diphtheria
Symptoms of diphtheria include: a thick grey-white coating that may cover the back of your throat, nose and tongue a high temperature (fever) sore throat swollen glands in your neck difficulty breathing and swallowing In places with poor hygiene, infection of the skin (cutaneous diphtheria) is more common. If it's cutaneous diphtheria, it can cause: pus-filled blisters on your legs, feet and hands large ulcers surrounded by red, sore-looking skin Symptoms of diphtheria usually start 2 to 5 days after becoming infected.
Treatments for diphtheria
The main treatments for diphtheria are: antibiotics to kill the diphtheria bacteria medicines that stop the effects of the harmful substances (toxins) produced by the bacteria thoroughly cleaning any infected wounds if you have diphtheria affecting your skin Treatment usually lasts 2 weeks. Any skin ulcers usually heal within 2 to 3 months but may leave a scar. People who have been in close contact with someone who has diphtheria will also need to take antibiotics and may be given the diphtheria vaccine. A contact tracing team will get in touch with anyone who needs to be treated.
Source: NHS, last reviewed 24 July 2025. Contains public sector information licensed under the Open Government Licence v3.0.
This page is general information and is not medical advice. It does not replace a registered doctor, and it is not a prescription or a recommendation to use any medicine or test. Prices are listed prices and may change. Always follow the advice of your doctor or pharmacist.