Blisters can be very annoying. They can also be quite painful. They can be caused by friction to the skin, heat from a sunburn or scald, and even contact from chemicals such as washing detergent.

Normally a live-in carer will find that the client has blisters from friction. This can be from shoes which rub on the side of the foot, or any similar situation.

What are blisters?

These are small pockets of fluid which form under the top layers of the skin, normally after it has been damaged. They are commonly found on hands and feet.

Most blisters contain clear fluid although some may be filled with blood or pus. These can easily become inflamed and infected.

How do we treat blisters?

If left alone and not poked or prodded, most blisters will heal by themselves after six or seven days. Many do not require medical attention. 

Do not be tempted to stick a needle into a blister and puncture it as you can infect the area and slow the healing process down.

If the blister bursts by itself then allow the fluid to drain, cover the area with a sterile dry dressing and leave it alone. It will dry up by itself.

When to see a doctor

You should see a doctor if:

• You think the spot is infected

• Is very painful

• And the blister keeps returning to the same spot

How do I know it is infected?

An infected blister will be filled with green or yellow pus. It will be painful and feel hot.

Final thoughts

Never leave an infected blister to heal itself. It is possible that it can lead to a secondary infection like impetigo or a more complicated situation such as cellulitis and sepsis.

It is also important to see the doctor if the blisters appear in unusual places like inside the mouth or on eyelids.

You may be able to prevent blisters on feet by paying attention to shoes and wearing well fitting comfortable shoes. Also, keep those feet dry by using talcum powder.

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