Insect and spider bites and how to deal with them
Last updated Mon 19 February 2018
By Christian Nordqvist
Reviewed by Karen Cross, FNP, MSN
Insect bites are puncture wounds or lacerations made by insects. An insect may bite when it is agitated and defends itself, or when it wants to feed.
Insects typically inject formic acid. This can lead to blisters, inflammation, redness, swelling, pain, itching, and irritation.
The reaction depends on the type of insect and the individual's sensitivity.
https://www.medicalnewstoday.com/articles/174229.php
