Swollen and itchy fingers may be caused by contact dermatitis, eczema, hives, frostbite and other causes.
1. Contact dermatitis: local contact with allergic or irritating substances caused by perverse reactions, manifested as local erythema, edema with itching.
2. Eczema: chronic inflammation caused by a variety of internal and external factors. When the disease is prolonged, the fingers can be infiltrated and thickened, flaking and other manifestations, and there is obvious itching.
3. Urticaria: may be caused by drugs, systemic diseases, infections and other reasons. There may be a temporary expansion of small blood vessels in the skin and mucous membranes and an increase in permeability, local erythema and doughnuts, often accompanied by obvious itching.
4. Frostbite: it is a kind of limited, bruised, inflammatory skin disease caused by cold, mostly occurring at the end of the limbs or exposed parts, such as fingers, toes and other places. Can be manifested as itchy hands and feet, local skin recurrence of erythema, swelling damage and other symptoms.
Swollen and itchy fingers can also be seen in other causes, it is recommended to consult a doctor in time. During the treatment period patients must pay attention to local hygiene and cleanliness, so as not to lead to the aggravation of the situation.