Small red dots on the body of a 4-year-old baby may be due to allergies, viral infections, anaphylactic purpura and other diseases, which are usually treated by medication.
1. Allergic reaction: when the child is exposed to allergens, it will cause an allergic reaction, the skin will appear red dots, at the same time, the skin has an itching sensation, can be treated with anti-allergic drugs such as loratadine syrup, etc., and when the itching is serious, you can use glycerine lotion to stop the itching.
2. Viral infections: Measles virus, rubella virus and other infections, the child will have small red spots on the body, accompanied by itching, fever, runny symptoms, you can use antiviral drugs such as interferon, acyclovir and other treatments, if necessary, with glycerine lotion to wipe the itch.
3. Anaphylactic purpura: Anaphylactic purpura is a kind of small vasculitis, which can also cause the above symptoms. It can be treated with antihistamines such as cetirizine hydrochloride drops and glucocorticoids such as prednisone.
If a 4-year-old baby has small red spots on his body, it is recommended to take the child to a specialized hospital for examination and treatment under the guidance of a professional physician. The above drugs need to be used in accordance with medical advice.