Patients with long skin bumps and itchy, may be caused by mosquito bites, may also be skin allergies or other diseases, etc., can first symptomatic treatment to relieve itching, after the cause of itching should be found, because only after controlling the cause, can completely stop itching. 1, mosquito bites: If the patient’s skin bumps and itchy, is episodic, and gradually recede signs, it is likely to be mosquito bites Caused by. Common mosquitoes are mosquitoes, bedbugs, fleas, mites, etc., their saliva or venom invade the skin after causing inflammation, the skin surface will have different degrees of elevation, may be patchy or single, perhaps accompanied by tingling, redness, itching, etc., but in general the patient no serious discomfort, and no other combined symptoms, you can first wash the skin of the bite with alkaline liquid, or apply anti-itch cream, in most cases without Skin allergy: Skin allergy can also cause itching, usually occurs after contact with allergens, such as clothing, food, metal, etc., manifested as eczema, urticaria, etc., multiple, itchy, red as a common symptom, severe cases can have breathing difficulties. The patient should immediately stay away from allergens, while using hormonal drugs to relieve allergic reactions, serious cases need to be hospital emergency treatment to avoid anaphylaxis; 3, other diseases: some diseases, such as acromegaly, may also cause small bumps and itchy, patients need to identify the cause in a timely manner, the line of targeted treatment.