How to get a lot of goose bumps on the body for no reason?

【 Differential diagnosis 】 This disease should be differentiated from the following diseases:

1. itchy skin: there is no primary rash in the lesions of this disease, and the hair is nowhere to be found, especially between the fingers. The onset is often related to changes in mood, season, climate, visceral diseases and menopausal disorders.

Second, papular urticaria: this disease is more common in children, and there is no particularly prone area. Rash is characterized by spindle wheal papules or wheal blisters. Children are often allergic, sometimes accompanied by gastrointestinal dysfunction.

Third, lice disease: this disease is a skin disease caused by lice, and the damage is usually a secondary rash. It is easy to find lice and their eggs in the skin that is in contact with both sides, belts, genitals or seams.