A blister can be painful and uncomfortable, especially when irritated by your shoes. Find out why blisters form and how to treat them in our guide.

What are Blisters?

Blisters are uncomfortable, raised, fluid-filled bumps that often appear on your feet. The blister can be clear or filled with blood depending on the severity of the trauma. This fluid in a blister protects the tissue from further damage and allows the skin to heal. 

Although blisters can be uncomfortable or painful, they are very rarely harmful and should heal naturally within a few days.

What Causes Blisters?

Blisters are commonly caused by wearing shoes that are either too tight or that fit poorly such as heels, flip-flops, slip-ons, or wellington boots. The repetitive rubbing or friction from these shoes may cause a blister to form.

Treatments for Blisters

To treat a blister, keep the area clean and protected using a non- stick sterile dressing (not a plaster) and change the dressing daily. To clean the area, pour tepid boiled water over the blister, then pat dry and redress.

If you have diabetes, poor circulation or are immunocompromised then can you please seek advice from a HCPC registered podiatrist.

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Michelle Gibson
MSc, BSc, PGCE, MRCoP, Podiatrist
Michelle has over 30 years of experience in the NHS, private practice, and the commercial sector and is driven by her profound passion for podiatry and the wellbeing of our customers.

Frequently Asked Questions

How long do blisters last?

Blisters usually heal on their own within one to two weeks. Wait until your blister has healed before resuming the activity that caused it. Keep the area clean and protected to help it heal faster. 

Should I pop a blister?

You should not  ‘pop’ a blister as this opens the area up to infection. However, if it does ‘burst’, avoid removing the top layer of skin as this adds extra protection from infection. Keep a popped blister clean, dry and protected while it heals.

How do I prevent blisters?

To prevent blisters from forming in the future, remove the shoes that created the blister and look for a good quality, well-fitting pair to support and cushion your feet. Discover a range of stylish, comfortable shoes from Simply Feet.

Discover stylish and comfortable footwear, which reduces the risk of blisters