Answer:
Wheal/Urticaria the
Explanation:
Wheal:*A raised,well defined swelling on the skin,often itchy,caused by an insect bite or blow from a whip*.
Wheals comes as a result of *allergic reaction*. When an insect stings on a skin,the body releases a protein called histamine.Upon release of this histamine,the tiny vessels(capillaries) leak the fluid..The fluid accumulates in the skin causing Rash/swelling. They may be rounded of flat-topped with a reddish hue.
A wheal can last for several days without fading away.
Another name for wheal is *Urticaria*
TREATMENT:
A wheal can be treated using *Antihistamines*,such as Certirizine/Fexofenadine which *helps to block the effects of histamine,reducing rash/swelling on that spot of the the allergic bite or whip,and stopping itching*.
