How does swimming affect common skin conditions

When you have a skin condition, it can be confusing knowing whether it is still safe to go swimming.

For peace of mind, you should always consult your doctor or dermatologist. However, the good news is that for the majority of common skin conditions, swimming is absolutely fine.

Read on for useful information about swimming with eczema, verrucas, athlete’s foot and more.

What you need to know about skin

Skin is a protective barrier and it is important to maintain its integrity. This is especially as chlorine is present in most swimming pools and is an anti-infective agent that tends to dry the skin.

A good long shower after swimming will minimise this effect by reducing the binding of substances to the surface of the skin. It’s also a good idea to apply a moisturising skin lotion afterwards.

It’s advisable to keep well hydrated with fluids when training to keep the skin in optimal condition as dehydration makes it more susceptible to damage and infection.

When swimming in warm climates, it is important to avoid sunburn by minimising exposure to sunlight as much as possible. You should also regularly apply high factor water proof sun cream when training outdoors in bright sunlight. Sunburn damages the skin, causing it to blister and get infected, so prevention is definitely better than cure where sunburn might occur.

However, some sun creams can be harmful to open water environments so it is worth looking into environmentally friendly products.

Swimming and eczema or psoriasis

Swimming is perfectly fine if you suffer from eczema, provided there is no recent flare up or secondary infection.

  • Shower with lukewarm water before swimming, apply cream or ointment to protect your skin.
  • Have a long shower after your swim, although avoid the water being too hot. Use liberal amounts of emollient gels and when you’re dry, use more cream than usual.
  • Some may find chlorinated water and salt water pools irritating to their eczema. If you find this, you may find ozone pools better. However, recent evidence suggests the bleaching effect of chlorine on skin reduces bacteria and is very beneficial for eczema.
  • Similarly in psoriasis, which is another common non-contagious skin condition characterised with patches or dry flaky skin (plaques), swimming is encouraged unless the plaques are infected.
  • Salt water is particularly beneficial as it reduces any flaky skin improving appearance. Sunlight with outdoor swimming, combined with appropriate sun cream use can also help the condition.
  • Like eczema, apply moisturising creams after swimming, particularly in chlorinated pools

Swimming and verrucas

Similar to warts, verrucas are found on the sole of your foot. They are very common in children and up to 5-10 per cent are affected at any one time.

Verrucas are caused by a virus called HPV (human papilloma virus).

  • Verrucas have long been associated with swimming pools. The virus can gain access through small skin abrasions but there is no clear evidence that suggests swimming pools are the source.
  • The evidence is conflicting about whether to cover them with water proof plasters or not, but they are not a reason not to swim.
  • They usually go of their own accord anywhere between one to two years and only require treatment if painful.
  • ‘Verruca socks’ tend to be a thing of the past although these commercial socks are permissible in pools, but wearing flip-flops on the poolside or in the communal showers may reduce the chances of infection.

Swimming and athlete’s foot

Athlete’s foot affects the skin between the toes and is caused by a fungus that thrives in warm, moist conditions found in pools. This means swimmers are particularly susceptible to athlete’s foot.

  • The contagious fungus gets in through little abrasions in the skin. The skin becomes reddened with white patches and is sometimes macerated/cracked and usually with intense irritation. In more extensive cases the rash can extend to the foot and even the nails themselves becoming infected with bacteria.
  • Treatment involves keeping the skin dry and clean and to apply an anti-fungal cream obtainable from your pharmacist or GP for a few days until completely resolved.
  • If the infection is more severe, your GP may need to prescribe antibiotics.
  • To avoid recurrence, ensure your skin is properly dried, particularly between the toes. Change socks regularly and minimise the time wearing trainers away from the pool.
  • Flip-flops on poolside and in the showers may also reduce the chances of infection.

Swimming and molluscum contagiosum

Molluscum contagiosum is another very common rash affecting up to 10 per cent of children and is caused by a member of the pox virus family.

This infection thrives in warm, humid environments and is transmitted easily by close bodily contact/direct skin-to-skin contact. The lesions show as small white or pink isolated domed shaped spots numbering one to 20 each with indents that gradually increase in size. Lesions often appear in a scratch and can also spread if scratched.

  • Like warts, the virus often goes away after two to six months as the body rejects the virus that causes them. This can spread between children during this time by common use of towels, so sharing should be avoided, as should sharing kickboards.
  • Swimming is permissible, although the spots are best covered with a waterproof plaster. However, if there are open sores or further infection it is best to stay out of the water until this is treated.
  • Some doctors accelerate the healing process by freezing (cryotherapy), scraping (curettage) or application of a chemical cream such as salicylic acid, although often no specific treatment is necessary.

Skin conditions where swimming is not advised

If you have impetigo, cellulitis, chickenpox or exanthemata, you should avoid going swimming until your skin has recovered.


  • Impetigo is an infection caused by the bacteria staphylococcus aureus which results in blisters with a yellowish discharge from the skin surface.
  • It responds quickly to oral antibiotics but is very contagious and is one of the few skin conditions where it would be advisable not to swim until it is completely cleared up.
  • Common sites are around the mouth and hands and it is important to use your own towel and not share as it can easily be transmitted person to person this way.

Cellulitis / chickenpox / exanthemata

  • Cellulitis is a superficial spreading infection where swimming should be avoided until resolved. The same can be said of chickenpox (varicella) and other childhood exanthemata (childhood infection diseases with a rash).

Additional advice on skin conditions

You can find more advice about common skin conditions on the NHS website.

Health Fact Sheets

Swim England’s Health Commission group have developed a range of fact sheets on swimming with particular health conditions, written for competitive swimmers, the general public and to also assist those who support or advise swimmers.

Listed below is the current fact sheet library for people with health conditions.

To view and download fact sheets written specifically for people who support or advise swimmers, head to our Health and Wellbeing pages.

Health Fact Sheets