There are several different causes of non-thermal blisters. Some of the most common include:
Allergic reactions to medications, foods, or other substances
Infections, such as herpes or impetigo
Autoimmune disorders, such as pemphigus or bullous pemphigoid
Certain medical conditions, such as diabetes or liver disease
The symptoms of non-thermal blisters can vary depending on the underlying cause. However, some of the most common symptoms include:
The formation of small, fluid-filled blisters on the skin
Redness or inflammation around the blister
Itching or burning sensations
Pain or discomfort, especially if the blister is located in an area that is frequently rubbed or touched
The treatment for non-thermal blisters will depend on the underlying cause of the blister. Some of the most common treatment options include:
Topical medications, such as corticosteroids or antibiotics
Oral medications, such as antihistamines or antibiotics
Draining the blister and applying a sterile bandage
Avoiding any known triggers, such as certain foods or medications