Difference between True bruise and Artificial Bruise

The concept of malingering has made it important to identify whether any bluish discoloration in the body is true bruise or bruise induced with use of various plant products. It is useful in forensic science to identify whether any assault / physical violence is true or the victim is fortifying the evidence to setup any guiltless.

True bruises can be present anywhere in the body and is generally associated with blister and itching. It changes color following the blunt trauma unlike false bruise which are stained by plant products and hence don’t change their color.

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Character	Artificial Bruise	True Bruise
Cause	Chemical Agent like plumbago, semicarpus, madar juice	Blunt Trauma
Location	Accessible part of body mostly	Anywhere
Blister	Present around the bruise	Not present
Itching	Present	Not Present
Color Changes	Absent	Characteristic
Fingers	Marks of scratching	Not so
Content	Acrid Serum	Extravagated blood
Chemical Analysis	Chemical detected	Not so