[30F] With large blisters and burning sensation on the feet

Patient Description

A 30-year-old female presents with large blisters on the bottoms of her feet, particularly near the toes. The blisters have been present for approximately one week and have changed in size or appearance during this time. The patient reports a burning sensation associated with the blisters but states that they have not ruptured or oozed any fluid. There is no known contact with others who have had similar skin conditions, although there was an initial uncertainty about such contact. No other symptoms or relevant medical history have been provided.

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Arora's Assessment

What might be happening

Based on your symptoms, here are a few possibilities:

  • Friction Blisters: These are common and often occur due to repetitive friction on the skin, such as from tight shoes or repeated motion. The burning sensation could be due to the irritation caused by the blisters.

    • Treatment usually involves protecting the blister from further friction, using a bandage or a special blister plaster. If the blister is large and painful, it may need to be drained by a healthcare professional.
  • Athlete's Foot (Tinea Pedis): This is a fungal infection that can cause itching, burning, redness, and blisters. It's common in people who wear tight shoes, have sweaty feet, or use communal showers or pools.

    • Treatment usually involves antifungal creams, sprays, or powders.
  • Contact Dermatitis: This is a skin reaction caused by contact with certain substances. It can cause blisters, itching, and burning.

    • Treatment involves avoiding the substance that caused the reaction. Topical steroids can help reduce inflammation and itching.
  • Burns or Sunburn: If you've recently been exposed to heat or sun, this could cause blisters and a burning sensation.

    • Treatment involves cooling the area, applying a moisturizer or aloe vera, and protecting the area from further sun exposure.

What you can do

  1. Keep the area clean and dry.
  2. Avoid popping the blisters as this can lead to infection.
  3. If the blisters are due to shoes, try wearing different shoes or using protective padding.
  4. Over-the-counter treatments like antifungal creams or hydrocortisone cream may help, but it's best to get a diagnosis first.
  5. Stay hydrated and maintain a balanced diet to support your immune system.

What you should look out for

  • If the blisters become more painful, red, swollen, or start oozing pus, these could be signs of an infection and you should seek medical attention.
  • If you develop a fever or the skin around the blisters becomes red and hot, these could also be signs of an infection.
  • If the blisters don't improve after a week or two, or if they keep coming back, you should see a healthcare professional.

Please remember, while I strive to provide accurate information, I'm not a doctor and this advice should not replace a consultation with a healthcare professional.

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1 yr ago

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People Also Ask


What causes friction blisters and how can they be prevented?

Friction blisters are caused by repetitive rubbing or pressure on the skin, often from tight or ill-fitting shoes. To prevent them, wear properly fitting shoes, use moisture-wicking socks, and consider using protective padding or blister plasters in areas prone to friction.


How can I tell if my foot blisters are caused by athlete's foot?

Athlete's foot blisters are often accompanied by itching, redness, and a burning sensation. They may also appear alongside dry, scaly skin. If you suspect athlete's foot, look for these additional symptoms and consider using an antifungal treatment.


What are the common triggers for contact dermatitis on the feet?

Common triggers for contact dermatitis on the feet include exposure to certain chemicals or materials, such as those found in shoes, socks, or foot care products. Identifying and avoiding the specific irritant or allergen is key to managing this condition.


When should I seek medical attention for blisters on my feet?

You should seek medical attention if the blisters become more painful, red, swollen, or start oozing pus, as these could be signs of an infection. Additionally, if you develop a fever or if the blisters do not improve after a week or two, it's important to consult a healthcare professional.


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