Dense small blisters on the face allergy is considered to be an allergic skin disease (atopic dermatitis, etc.) caused by contact with allergens; at present, the cause of this disease is mainly caused by a variety of exogenous allergens into the body to cause an allergic reaction.
Allergens can enter the body through skin and mucous membrane contact, inhalation, ingestion or injection, and through a series of reactions, resulting in body allergy.
1. Contact allergy: Cosmetics, topical medications, including face oil, face wash, face masks, etc., which may contain allergic substances that cause facial allergies such as erythema, itching, and blisters.
2. Inhalation or ingestion: Eating drugs or inhalation drugs, dust, dust mites, pollen, fungal spores, animal fur and other floating materials, into the body or in contact with the skin, are prone to cause facial allergies, itching, blistering.
3. Injections: systemic allergies caused by injections of drugs, etc., are also prone to involve the face to cause facial allergies, causing drug rashes, allergies, itching, blistering.
Dense small blisters on the face of allergies is recommended to go to a regular hospital, in the doctor to clarify the cause of the disease to give standardized treatment.