Bug bite can be caused by bugs like mites, lice, bedbugs, mosquitoes and spiders. A bug bite makes the skin red and swollen. It can cause minor skin reaction accompanied with pain. If you have been bitten by an insect or bug, you have felt itching and burning in the affected area. Raised bumps form on the skin. There is nausea, confusion, coughing and breathing problem. The skin can become infected. Usually, a bug bite heals on its own. Natural remedies can help in treating the problem. You can also take medicines for it. Following are some tips on how to treat bug bites.