It can be difficult to identify the culprit just from 'bite' marks.
Bites tend to form similar sorts of localised reddening and swelling because the marks are caused by our immune systems reacting to foreign substances; whether proteins in the anti-coagulants and anaesthetics that blood sucking insect inject or just the physical damage caused by the bite.
How to Identify the Cause of Bite Marks
Bed Bug Bites
Just talking about fleas or bed bugs commonly makes people feel itchy and scratch the skin in response. Scratching can cause reddening and inflammation that can be mistaken for bites. It is therefore not easy for medics or pest experts to identify red marks as bites never mind being able to identify the possible culprit.
Dust, chemicals (natural or synthetic) and others can cause allergic reactions that include raised red itchy marks and these can be mistaken for insect bites. The waste products of the house dust mite is frequently the cause of allergic reactions of the skin as well as asthma.
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