Itchy earlobes may be contact dermatitis, external ear eczema, insect bite dermatitis and so on.
1. Contact dermatitis: this disease is some kind of exogenous stimulus or allergic substances in contact with the earlobe, in contact with the site of the acute or chronic inflammatory reaction. The itching caused by allergens often extends beyond the earlobe, and can produce stinging pain after scratching.
2. Eczema of the outer ear: often caused by allergic reactions, mental factors, neurological dysfunction, metabolic disorders, etc., which can be manifested as itchy earlobes and polymorphic rashes.
3. Insect bite dermatitis: when the earlobe is bitten by mites, mosquitoes, bedbugs, fleas and other insects or poisonous sap stimulation, there can be lesions at the needle tip size bite marks, conscious itching.
When the earlobe itch persists not subside, need to actively seek medical examination, clear diagnosis, follow the doctor’s instructions standardized diagnosis and treatment.