Eczema is an allergic skin inflammation caused by a variety of factors. Skin prick test, specific IgE test, and excitation test can be used to determine whether eczema is caused by milk powder.
1. Skin prick test: This is a test for IgE-mediated allergic reactions. Milk powder extract is used to prick the skin of the child, and the size of the pricked part of the skin is observed to distinguish whether the eczema is caused by milk powder.
2. Specific IgE test: the blood of the child is collected directly for the test, the advantage of which is that it is not affected by drugs and allergic symptoms, and can exclude false-positive results of the skin, so that it can detect whether the baby is tolerant to the milk powder, and determine whether eczema is caused by the milk powder or not.
3. Energizing test: Before doing the diagnostic food energizing test, you should first avoid foods that may cause allergy, or determine whether to do the energizing test according to the expected value of specific IgE. The method is to first put 1 drop of milk on the lips and mouth, and then observe for 15 minutes. Later, it is changed to oral administration and the dose is gradually increased. After finishing, it is observed for 2 hours and judged according to whether the suspected symptoms are reproduced or not.
It is recommended to go to the hospital for appropriate tests to determine whether eczema is caused by milk powder.