Hi..
Welcome to HEALTHCARE MAGIC..
I have gone through your query and can understand your concerns..
As per your complain itchy rashes over the legs,back, arms and top of fingers can occur due to causes like:
-
Contact Dermatitis that is
allergic reaction caused with contact of skin to certain irritants like soap, detergent, chemical cosmetics, leather, latex, poison ivy etc..
-Allergic reaction to any food or medicine.
-Hair
follicle infection or
Folliculitis caused by
Staphylococcus bacteria..
I would therefore suggest you to consult an Allergist and get evaluated and a thorough clinical evaluation and investigations like Blood tests to rule out allergies like Patch test, RAST test, Food Challenge test etc and microscopic examination of the scraping from the bumps can help in diagnosis and treatment can be done accordingly..
You can be advised to take anti-allergics like Levocetrizine or Benadryl, antibiotics of there is infection, application of steroid ointment, cool compresses can relieve..
Hope this information helps..
Thanks and regards.
Dr.Honey Nandwani Arora.