A rash from a fly bite can be very uncomfortable and it is best to get medical treatment as soon as possible. There are various over the counter medications for fly bites, including antihistamines and corticosteroids. However, if the rash persists for a long time, or it is accompanied by an infection, you should consult a physician for further treatment. Symptoms of a fly bite can include a red rash, a burning sensation, and itching.
There are many types of allergic reactions to flies, including the generalised reaction. This reaction affects areas of the body that are not directly stung. It can lead to a rash or hives and can even cause anaphylaxis. A generalised allergic reaction can be life-threatening, so it’s essential to seek medical attention if you notice any of these symptoms.
A black fly bite is similar to a mosquito bite, but the bite is painful and often causes the skin to bleed. This is because the female flies slash the skin to drink blood, which is vital for egg development. Black flies are especially good at getting under clothing. Some people experience large, itchy welts after being bitten by a black fly. Some people even develop a condition known as “black fly fever” as a result. Black flies are most common during late spring and early summer, especially in creeks and other water sources.
Horsefly bites may also cause an allergic reaction. The bite will typically be red and itchy. The wound may become infected. Once the infection begins, the affected area will swell up and may even develop pus.