Hi ma'am. Can u tell me a good medicine for body...

how to treat you skin itching ?
for now , use a topical steroid medication such as delor and avoid any possible caused of your allergic reaction , if the symptoms didnt get better or lasted longer than expected , consult a dermatology doctor as soon as possible  , and the treatment options are :
- anti-histamine medications ( topical and oral ) 
- steroids ( topical and oral )
what is the possible causes of your medical condition ?
1. urticaria - skin sensitivty reaction ( food , perfumes , substance , medications )
2. autoimmune diesease such as eczema 
3. not using the suitable medication or not suitable medication dose 
4. medications side effects 
what is the needed tests :
- clinical examinations 
- Affected area culture test
- IGE blood level test - ( the normal range is : 0 - 300 )