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About Your Diagnosis Biting insects include ants, fleas, ticks, flies, no-see-ums, and mosquitoes. Stinging insects include bees, wasps, and hornets. In general, these are more of a nuisance than anything else is. However, some individuals are more sensitive and may have allergic responses to certain bites or stings. In addition, the bites of some insects transmit diseases. Most bites or stings will resolve without further problems, and treatment is available for the diseases transmitted by some insects. Living With Your DiagnosisMost of the above bites cause local pain or itching at the time of the bite. Redness, swelling, and itching around the bite itself often follows. Within 1 to 3 days these have completely resolved. Some potential problems related to specific insects include several different tick fevers such as Rocky Mountain spotted fever and Lyme disease spread by tick bites. Mosquito bites can spread encephalitis. Some individuals are allergic to the bites of specific insects. Any bite can become infected. Stings likewise cause local pain and swelling, but most resolve within a few days. Multiple stings can be a problem for anyone. They cause systemic effects such as generalized swelling, weakness, confusion, and difficulty in breathing. Systemic effects also include fainting, vomiting, and diarrhea. Kidney failure, cardiac arrest, and death can occur in severe cases. TreatmentFor stings, you should carefully remove the stinger. You should be careful not to squeeze the venom sack if still attached to the stinger, because this will inject more venom. For most bites and stings, application of cold will help decrease itching and swelling, as will steroid creams and antihistamines. Oral steroids are used for severe or multiple bites. Most bites resolve completely within 1 to 3 days. Except for drowsiness with the antihistamines, there are few side effects of treatment. There are specific antibiotic therapies for the tick fevers. Treatment for the encephalitis carried by mosquitoes is frequently supportive care in the hospital. Sometimes powdered meat tenderizer from the grocery store mixed with water to make a paste will help with bee or wasp stings when applied after the stinger is removed. For hives or more severe allergic reactions, you should see your doctor promptly. If you have had significant reactions to stings, you should talk to your doctor about an epinephrine self-injector. The DOs
Paul Auerbach (ed): Wilderness medicine, ed 3, 1995, St Louis, 1995, Mosby. All biting insects and spiders http://entmuseum9.UCR.edu/ent133/ebeling/ebel9-1.html
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