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Written by Caidr's team of doctors and pharmacists based in UK | Updated: 04.04.2022 | 2 min read

Chilblains are small, red, itchy patches that appear from exposure to the cold.

The cold causes the blood vessels in your fingers and toes to constrict (get smaller) and this reduces the flow of blood. When you warm-up, the blood vessels get bigger again and blood rushes back to your tips. When this happens quickly it can cause redness, swelling and pain.

Chilblains often occur on your extremities, such as fingers, toes, ears and nose, but they can occur anywhere on the body.

Chilblains tend to occur a few hours after exposure and last up to a couple of weeks, and they usually clear up without treatment.

Who is at risk of chilblains?

They can affect anyone, but most commonly affect women and middle-aged adults. People most at risk of chilblains are smokers and anyone with poor general nutrition, or people who are out in the cold often such as playing winter sports like skiing and ice-skating.

There are a few conditions that put you at risk of chilblains such as disorders of the bone marrow, connective tissue and Raynaud's phenomenon. In the elderly, chilblains can occur as a result of an underlying condition.

Can I prevent chilblains?

It is important to avoid cold, wet environments. When that's not possible, wearing warm clothing – especially gloves, socks and hats – is the best way to fend off extreme cold.

Soaking your hands in warm water before exposure to the cold has been said to help prevent chilblains occurring. Keeping fit and active also helps improve blood flow and circulation.

If you are a smoker, kicking the habit will go a long way to prevent the condition worsening or reduce the frequency of attacks.

Caidr pharmacists' top tips

If the symptoms are bothersome, there are creams that you can apply directly to the area to combat the constriction of the vessels, such as nitroglycerine. Steroid creams such as hydrocortisone 1% can also be used to relieve inflammation, redness and itching.

When should I see my doctor?

If you are getting regular chilblains and they are affecting your life, or the symptoms are severe, you should book a routine appointment with your doctor. Your doctor will ask you questions about your health and examine you. They may discuss options for further investigations such as blood tests, or treatments to try and improve the symptoms.

If a widespread area is involved or you have severe symptoms, your doctor may consider oral treatments such as nifedipine.

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