Urticaria, যা সাধারণত চুলকানি বা হাইভ হিসেবে পরিচিত, একটি ত্বকের রোগ যা শরীরে লাল বা সাদা দাগ সৃষ্টি করে। এই দাগগুলো সাধারণত চুলকানি সহ伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴伴