Hi doctor, sometimes i fee itching, especially after sweating.. does the laser treatment harm in the long run? i mean any other complications ?

WHAT???: What laser treatment???? Some people have a peculiar type of urticaria with exercise. They do better with antihistamine before exertion. Allegra, Zyrtec, are useful--- not Benadryl (diphenhydramine). Claratin OK. Generics work the same at less expense. Look up CHOLINERGIC URTICARIA.

Not really: Laser treatments of any kind should not affect your skin in the way that it itches. Make sure with your dermatologist that you do not have a condition that triggers the itching with exercise. Hope this helps.