Medical Conditions
Certain medical conditions can result in blisters. They include:
- Herpes: Accompanied by cold sores caused by the herpes simplex virus. [5] These cold sores are clusters of blisters.
- Chickenpox: The rash develops into small blisters that eventually scab over.
- Dyshidrosis: A skin condition that is often accompanied by a quick occurrence of many small, clear blisters.
- Eczema: Blistering usually occurs alongside a number of other skin symptoms like flaking, crusting, and cracking.
- Bullous pemphigoid: An autoimmune disease that causes blisters on the skin. It is more common in older patients.
- Pemphigus: A rare group of autoimmune diseases that affect the mucous membranes and skin. It occurs when the immune system attacks a vital adhesive molecule in the skin, detaching the epidermis from the rest of the layers of skin.
- Bullous impetigo: It is commonly seen in children younger than 2 years. Blisters may occur on the arms, legs, or trunk.
- Epidermolysis bullosa: This is a genetic disease of the connective tissue that causes blistering of the skin and mucous membranes.
- Dermatitis herpetiformis: This is a chronic blistering skin condition that has a similar appearance with herpes.
- Cutaneous radiation syndrome: This is a condition that occurs due to regular exposure to radiation.