What are the medicine of allergy

possible causes of allergic reaction 
- food
- perfumes
- substance
-medications )
What to do next ?
1. for now , use a topical anti histamine medication such as benadryl 
2. avoid any possible caused of your allergic reaction 
3. if the symptoms didnt get better or lasted longer than expected , consult a dermatology doctor as soon as possible 
4. doctor will perform some tests to determine the treatment pathway such as :
- clinical examinations 
- IGE blood level test 
What is the possible treatment pathways ?
- anti-histamine medications ( topical and oral ) 
- steroids ( topical and oral )