There are many reasons for the swelling, itching, thickening and redness of the fingers, such as frostbite, insect bite dermatitis, contact dermatitis and urticaria.
1. Frostbite: The low temperature of the external environment may cause poor microcirculation in the fingers, resulting in frostbite, early manifestations of finger swelling, itching, pain, thickening and redness, if not treated in time, may cause skin ulcers and other symptoms.
2. Insect bite dermatitis: insect bites by insects and mosquitoes may induce insect bite dermatitis, which may also lead to swollen, itchy, painful, thick, red and swollen fingers.
3. Contact dermatitis: fingers in contact with irritating substances or other sensitizers, may induce local contact dermatitis, resulting in skin redness, erythema, swelling, itching, may also cause finger swelling, itching and pain coarsening red.
4. urticaria: can cause increased permeability of subcutaneous blood vessels, caused by the skin wind, occurring in the finger area, may also lead to finger swelling, itching and thickening of the appearance of redness.
Finger swelling, itching, thickening and redness, there may be other reasons, it is recommended to go to the hospital in a timely manner to check, follow the doctor’s instructions for treatment.