Sudden swelling and itching of fingers may be related to mosquito bites, allergies, bone growth and other reasons.
1. Mosquito bites: when the fingers are bitten by mosquitoes, the venom in the mosquito body may enter the human bloodstream, resulting in sudden swelling and itching of the fingers.
2. Allergy: common allergic diseases include drug rash, contact dermatitis, etc. Usually easy allergic body or contact with irritation will cause allergic reactions in the human body, thus causing sudden swelling and itching of the fingers.
3. Bone hyperplasia: If the patient often lifting heavy objects or malnutrition will lead to finger bone hyperplasia, which will cause sudden swelling and itching of the fingers.
Sudden swelling and itching of the fingers may also have other reasons, it is recommended to go to the hospital in time to clarify the cause and give targeted treatment.