Dry lips

Dry or chapped lips can be caused by exposure to the sun, wind and cold or dry air. A lip balm containing petroleum or beeswax can help if you have dry lips.

Key Information

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What should I do?

If you think you have this condition, you may not need to see a doctor.

How is it diagnosed?

You might be able to recognise cheilosis by the way the skin of your lips looks or feels after being exposed to the sun, wind or cold air.

What is the treatment?

Lip balms containing petroleum or beeswax are useful in providing a barrier and help to keep your lips moist.

It is advisable to use a lip balm with sun protection factor if you are going out in the sun, or to cover your lips with a scarf in cold weather. If you have a non-healing persistent sore, or if you think your lips are infected please see a doctor within 48 hours.

Lips can become chapped or dry when they are exposed to the sun, wind and cold or dry air. A lip balm containing petroleum or beeswax will provide a barrier and help seal in moisture.

More moisture is lost through the lips than through any other part of the face or body.

When the lips lose moisture, the skin covering them can become tight and start to split.

What not to do

It's very tempting to pick and bite off flakes of dried skin. This will only make the lips bleed and heal more slowly. Irritating the skin around the mouth may also trigger a cold sore, if you're prone to getting them.

It's also tempting to keep licking dry or cracked lips. However, this will only dry your lips more as the saliva evaporates.

How to treat dry or sore lips

The best thing to do for dry or sore lips is to regularly apply a lip balm containing petroleum or beeswax. You may need to try a few different products before you find one that works for you. Choose a balm with an additional sun protection factor (SPF) for protecting your lips in the sun.

A lip balm will act as a shield to protect your lips against the sun, wind, cold or dry air. It will trap in moisture and seal cracks against infection.

Avoid lip balms in little pots as repeatedly dipping your finger into the balm can introduce germs.

When dry lips become inflamed

Sometimes, dry lips can become inflamed and feel sore. The medical term for inflamed lips is cheilitis.

Lips usually become inflamed as a result of infection. This happens when dirt, bacteria or fungi enter cracks in the skin of the lips.

If you have red, sore lips and think they are infected, see your doctor. They may prescribe an antibiotic or antifungal cream to treat the infection. This may also contain 1% hydrocortisone (steroid medication) to reduce the inflammation.

If the corners of the mouth are red and sore, you probably have a type of inflammation called angular cheilitis. This is often caused by bacteria or fungi and is treated with ointments applied to the area. Angular cheilitis can sometimes be a symptom of a type of eczema called [contact dermatitis](yourmd:d41d8cd98f00b204e9800998ecf8427e

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