How does darling body itch scratch to rise a knot to do

The baby body has a pimple itching feeling may be caused by allergic eczema, but also need to consider is caused by allergic urticaria, do not rule out the possibility of allergic dermatitis; should go to the regular hospital dermatological examination, if diagnosed as allergic eczema, should stay away from allergic substances, and use calamine lotion treatment.