Conversation: The conversation between human and AI assistant.
[|Human|] my son has had little welts all over his body for the last 2 days...he doesn t have a fever and it doesn t seem to bother him, but last night he started vomiting and then so did i. and i still don t feel very good. do i need to take him to the doctor or will this pass?
[|AI|]  Hi, Had he taken any food items other than usual? Any history of atop, like eczema or wheezing in the past? Welt indicates some form of allergic reaction, which may be associated with vomiting if there is mucosal involvement too. Many times we will not find out any specific cause. If he is otherwise active and playful, and not associated with breathing difficulty / strider / swelling around lips and eyes, you can give antihistamine like HY Chat Doctor.  Calamine lotion application over welts can have a soothing effect. If not getting down in 2 days or the above said features are present, kindly take him to doctor as he may need steroids too. Meanwhile, give frequent feeds in small amount, to improve retention. Hope I have answered your question. Let me know if I can assist you further.