Medically reviewed by Michael Menna, DO A horsefly bite, caused by a fly of the Tabanidae family, is painful but usually ...

In extreme cases, bites can cause an allergic reaction that can result in dizziness, swelling and fluid-filled blisters that become infected. If that happens, it is recommended that you seek medical ...

Also known as clegs, the insects' bites can in some cases become infected and require medical ... and clegs will bite legs and arms." She said horsefly bites can be more painful than midges ...