Sudden itchy bumps all over the body, consider hives, should pay attention to stay away from allergens, and actively carry out anti-allergy treatment. Sudden itchy bumps all over the body is usually considered to be hives. Hives can be triggered by hot and cold stimuli, emotional fluctuations, contact with allergenic substances, etc. The rash is higher than the surface of the skin, red or pale-white wind. Urticaria usually starts quickly, can subside on its own, if the symptoms are serious, can be used externally with glycerine lotion, oral loratadine and other antihistamine medication. Common triggers of urticaria include dust mites, animal fur, pollen, seafood, infections, medications, and food. If it is clear or highly suspected to be related to the above causes, care should be taken to avoid them. Suddenly itchy goose bumps all over the body is recommended to consult a doctor in a timely manner, to clarify the cause of the disease, and then follow the doctor’s instructions to use medication.