Itchy finger joints can be caused by mosquito bites, skin allergies and ringworm.
1. Mosquito bites: mosquitoes can bite the skin of the finger joints through mechanical damage, toxic stimulation, metabolic reaction and foreign body reaction and other mechanisms to cause the skin to cause inflammation, the skin parts of the bite can appear itching, redness and swelling and other symptoms.
2. Skin allergy: allergic patients in the skin contact in contact with irritating substances or sensitizing substances can appear skin allergic reaction, in addition to cause itching may also appear rash and other symptoms.
3. Ringworm: ringworm is a skin disease caused by fungal infection of the skin of the hands, and patients may experience symptoms such as skin flaking, itching and erosion.
Itchy knuckles can also be caused by other reasons, and it is recommended that patients with this symptom go to the dermatology department of a regular hospital for detailed counseling.