Many different types of insects (bugs) can bite you. Most insect bites itch, but the bites themselves aren't serious. The main problem with insect bites is that:
Insect bites can spread serious diseases like malaria Malaria Malaria is infection of red blood cells with one of five species of Plasmodium, a protozoan. Malaria causes fever, chills, sweating, a general feeling of illness (malaise), and sometimes diarrhea... read more and Zika virus Zika Virus Infection Zika virus infection almost never makes children or adults very sick. But Zika virus is very dangerous to an unborn baby (fetus). Zika can be spread by mosquitoes, sex, or blood transfusion... read more
Common biting insects in the United States are:
None of these insects has venom (poison).
Ticks Tick Bites There are several different types of ticks in the United States. Tick bites themselves aren't serious. The main problem with tick bites is the spread of serious diseases: Deer ticks spread Lyme... read more , spiders Spider Bites Almost all spiders are poisonous. However, the fangs of most species are too short or too fragile to penetrate human skin. Although at least 60 species in the United States have been implicated... read more , and mites belong to a different group and aren't insects.
Most bites result in:
Sometimes, you might have:
Fleas can sometimes cause an allergic reaction even if you're not bitten.
Different types of insects spread different diseases. Not every insect carries disease, even in areas where many insects do.
Some of the diseases spread through insect bites are:
If you think you're having an allergic reaction, go to the hospital right away. If you know you're allergic, you should always carry epinephrine (medicine to treat a serious allergic reaction) with you. You inject the epinephrine into your own skin through a thin needle, or someone does it for you.
Doctors will tell you to: