Signs of Cocaine Use
Appearance:
Dilated pupils
Runny nose (snorting)
Nosebleeds (snorting)
Track marks (injecting)
Burned lips or fingers (smoking)
Heart:
Fast heart rate
Constricted blood vessels
Enlarged Heart
Heart attacks
Cardiac arrest
Mental state:
Euphoria
Overconfidence
Unusual excitement
Aggressiveness
Paranoia
Poor judgment
Delusions
Hallucinations
After long use or a binge:
Depression
Agitation
Intense cravings
Need for higher doses
Apathy
Exhaustion
Long periods of sleep
http://www.narconon.org/drug-abuse/signs-symptoms-cocaine-use.html