 [ Symptoms ] when i mow grass i develope an itchy hive like rash on hipsthighs lasts 2 days am i alergic to grass what can do  only when i mow i can walk in grass and it doesnt bother me i already take an alergy pill before i mow these patches itch and burn and cover a large area    [ Disease ] i have had the same problem and found i am allergic to grass i just take an over the counter allergy medicine