Bug Bites and Stings: Symptoms & Signs

Medically Reviewed on 9/10/2019

Some bug bites and stings cause relatively mild symptoms and signs, while others may cause more serious symptoms and signs. Further, some infectious diseases are spread through insect vectors.

Signs and symptoms associated with bug bites and stings include a red skin bump or rash at the bite or sting site, pain, itching, burning, localized swelling, and warmth at the bite site. Sometimes a stinging sensation can be felt. Other symptoms may occur if the individual has an allergic reaction, such as hives, wheezing, breathing difficulty, dizziness, nausea, vomiting, swelling of the face or lips, and a sensation of chest tightness.

Causes of bug bites and stings

A number of different organisms can cause bug bites and stings in humans.

Other bug bites and stings symptoms and signs

  • Breathing Difficulty
  • Burning
  • Chest Tightness
  • Dizziness
  • Hives
  • Itching
  • Localized Swelling
  • Nausea
  • Rash
  • Red Skin Bump
  • Stinging Sensation
  • Swelling of the Face or Lips
  • Vomiting
  • Warmth at the Site of the Bite
  • Wheezing


Allergies can best be described as: See Answer

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Kasper, D.L., et al., eds. Harrison's Principles of Internal Medicine, 19th Ed. United States: McGraw-Hill Education, 2015.