It's not that doctors cannot help you in it, if you have contact dermatitis then having a consultation with a dermatologist is a must.
They can specifically find out the things you are allergic to and provide the exact required treatment for it.
Mild skin inflammations usually respond to over-the-counter hydrocortisone cream. To reduce inflammation and heal the irritation of most types of dermatitis, a skin specialist usually recommends a prescription corticosteroid cream and might prescribe an oral antihistamine to relieve severe itching.