In some of the most extreme cases, mosquito bites can cause bruising ... raised skin. The affected area may progressively harden and get itchier over 1-2 days. Skeeter syndrome is an allergic ...

But what exactly is a bruise? Bruising can occur as a result of an injury or a knock; blood vessels underneath the skin break or burst and blood leaks out under the skin. This causes the purplish ...