<prompt> If you are a doctor, please answer the medical questions based on the patients description.I have grass,trees,dust and weeds. also allergic to nickel sulfac hexa hydrate .I itch about 2 hrs .after ashower or when it is humid. also I don t sweat I get clammy. I only itchin in the spring and summer I don t itch in winter. Also only on Long island I could go anywhere and not itch  <response>: Just avoid the contact of substances to which you are allergic. For allergy remember one thing for lifetime prevention is the best treatment. If you are having itching that is uncomfortable, then you can have Tab. Levoceterizine 5 mg as and when needed. It will relieve your itching but with this Chat Doctor. Even on taking tab. Levoceterizine 5 mg twice a day, Youre having itching still then u need to consult your doctor for starting steroids. 