Facial Blisters: Causes, Symptoms & When to See a Doctor

Causes of Blisters on Face and Nose

1. Sunburn: Intense UV exposure.
2. Allergic reactions: Foods, insect bites/stings, cosmetics, skincare, detergents.
3. Viral infections: Herpes simplex (cold sores), chickenpox, shingles, hand-foot-mouth disease.
4. Bacterial infections: Impetigo.
5. Autoimmune disorders: Pemphigus vulgaris.
6. Bullous dermatoses: Bullous pemphigoid, linear IgA bullous dermatosis.
7. Medication reactions: Antibiotics, chemo drugs, NSAIDs.
8. Chemical burns: Harsh chemicals/substances.
9. Dermatitis herpetiformis: Celiac-associated, itchy blister clusters.
10. Genetic disorders: Epidermolysis bullosa (fragile skin).

Consult a healthcare professional for accurate diagnosis and treatment. Self-treatment can cause complications and delay healing.