Leave it alone to heal, and cover it with a blister plaster. As long as it is covered, the wound is protected from infection. A blister should not be opened because the blister roof protects against additional infection.

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After the scab forms, this is when the real healing takes place. You will notice inflammation at the cut site, which means it will turn red or pink, get swollen and you will feel pain when it is touched. As a part of this healing process, you may notice clear fluid coming from the wound.

Plain petroleum jelly is a favorite among dermatologists for the treatment of wounds. Although the blister itself will act as a covering for the wound, if it happens to break, a person can cover the area with Vaseline and a bandage. This may promote healing of the area.

Your blister needs air to help it dry out, so keep the middle of the bandage slightly raised for airflow. Cushion it. You can also cover your blister with a cushioned adhesive bandage specifically designed for blisters. It can keep out bacteria and reduce pain while your blister heals.

Most blisters heal naturally after three to seven days and don’t require medical attention. It’s important to avoid bursting the blister, because this could lead to an infection or slow down the healing process. If the blister does burst, don’t peel off the dead skin.

Blisters hurt because the epidermis, the top layer of the skin, generally dulls sensation but has been pulled loose from the underlying layers. These layers, called the dermis, hold more nerves and can therefore register more sensations of pressure and pain.

Similarly, with blood blisters, allow them to heal under in their own time. They can be more painful than standard blisters and an ice pack can offer some relief. Place a towel over the affected area, ensuring that the ice pack does not come into contact with the skin directly.

To treat a blister, dermatologists recommend the following:

1. Cover the blister. Loosely cover the blister with a bandage.
2. Use padding. To protect blisters in pressure areas, such as the bottom of your feet, use padding.
3. Avoid popping or draining a blister, as this could lead to infection.
4. Keep the area clean and covered.

Apply an ointment such as petroleum jelly to the blister and cover it with a nonstick gauze bandage. If a rash appears, stop using the ointment. Follow-up care. Check the area every day for infection.

In most cases, blisters do not need treatment and will heal on their own within 1–2 weeks. Keeping the blister intact will allow the skin underneath to heal more quickly. The blister provides cushioning and protects the damaged area from germs while new layers of skin develop underneath.

Tips for preventing blisters

1. Wear better shoes. Shoes are often the culprit when it comes to blisters forming on your feet.
2. Wear better socks. Choose non-cotton socks that wick away moisture.
3. Lubricate your feet before you exercise.
4. Keep the calluses.
5. Keep your feet dry.
6. Cover areas that are prone to blister.