Some of the most common types of blisters can be prevented.
- To prevent blisters caused by rubbing (friction blisters):
- Avoid wearing shoes that are too tight or that rub your feet. Roomy footwear has a wide toe box with more room for your toes and the ball of your foot. You should be able to wiggle your toes in your shoes. Foot size may vary half a size from the morning to the evening or after a day at work, so purchase shoes at the end of the day when your feet are most swollen.
- Wear gloves to protect your hands when you are doing heavy chores or yard work.
- Avoid contact with any plants or other substances that are known to cause blistery rashes. For more information, see the topic Poison Ivy, Oak, or Sumac.
- Avoid contact with people who have infections that are known to cause blisters, such as:
Preparing For Your Appointment
To prepare for your appointment, see the topic Making the Most of Your Appointment.
You can help your doctor diagnose and treat your condition by being prepared to answer the following questions:
- When did your blisters start?
- Did your blisters begin after an injury, such as a burn or cold injury or an insect or spider bite?
- Were you around someone who had similar blisters before your blisters appeared? If so, what type of contact did you have with that person?
- Did you come in contact with something in the environment, such as poison ivy, oak, or sumac, before the blisters appeared?
- Did any chemicals come in contact with your skin? Chemicals include soap, laundry detergent, lotion, cosmetics, or nonprescription medicines.
- Have you had these blisters before? If so, were they diagnosed by your doctor? Did you have any treatment?
- Do your blisters itch or hurt?
- What prescription or nonprescription medicines are you taking? Are you using any ointments or salves?
- Do you feel sick? If so, in what way? Do you have a fever?
- Have you recently traveled outside your country or to a rural area or farm?
- In which sports activities are you involved? How often?
- What home treatment have you tried? Did it help?
- Do you have any health risks?