Itchy limb joints may be caused by skin allergy, neurodermatitis, rheumatoid arthropathy, etc., and the cause of the disease should be identified in a timely manner.
1. Skin allergy: if the joints of the limbs contact with animal fur or insect hair, pollen, plant fruits, etc. can cause skin allergy; or joints of the limbs paste, or eat allergic food, etc. will lead to allergies in the joints of the limbs, itching symptoms.
2. Neurodermatitis: also known as chronic lichen simplex, which may be caused by overwork or poor sleep, or eating spicy and stimulating foods or drinking a lot of alcohol, the joints of the limbs appear moss-like lumps, often accompanied by persistent itching, symmetrical distribution.
3. Rheumatic arthropathy: an autoimmune disease secondary to group A streptococcal infection, which can involve the joints of the limbs and have recurrent episodes. It is usually characterized by ring-shaped erythema or papules at the joints, accompanied by itching.
There may be other causes of itchy limbs and joints. Ask your doctor to identify the specific cause and treat accordingly.