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Signs of Cocaine Addiction There are numerous signs of cocaine addiction. Cocaine is
 A powerfully addictive central nervous system (CNS) stimulant. It has extremely potent euphoric effects,
and individuals who take cocaine can develop an addiction to cocaine after using the drug for a very short period of time. Cocaine is a crystalline, granular, or powder substance, having a saline, slightly bitter taste that numbs the tongue and lips.It heightens alertness, inhibits appetite and the need for sleep, and provides intense feelings of pleasure. Some users find that the drug helps them to perform simple physical and intellectual tasks more quickly, while others can experience the opposite effect. It is prepared from the leaf of the Erythroxylon coca bush, which grows primarily in Peru and Bolivia.
The effects of cocaine are immediate, extremely pleasurable, and brief. Cocaine produces intense but short-lived euphoria and can make users feel more energetic. Like caffeine, cocaine produces wakefulness and reduces hunger. Psychological effects include feelings of well-being and a grandiose sense of power and ability mixed with anxiety and restlessness. As the drug wears off, these temporary sensations of mastery are replaced by an intense depression, and the drug abuser will then "crash", becoming lethargic and typically sleeping for several days. When cocaine use is stopped or when a binge ends, depression (crash) follows almost immediately. This is accompanied by a strong craving for more cocaine, fatigue, pleasurelessness, anxiety, irritability, sleepiness, and sometimes agitation or paranoia. 
Common physical signs of cocaine addiction include but are not limited to: Red, bloodshot eyes
Runny nose or frequent sniffing
Weight loss
Increased susceptibility to illness
Increased blood pressure
Constricted blood vessels
Dilated pupils
Increased heart rate
Increased temperature
Nosebleeds
Altered motor activities (tremors, hyperactivity)
Perspiration or chills
Nausea or vomiting 
Common emotional signs of cocaine addiction include but are not limited to: Change in eating or sleeping patterns
Change in groups of friends
Change in school grades or behavior
Withdrawn, depressed, tired, or careless about personal appearance
Loss of interest in school, family, or activities
Frequently in need of money
Unusual energy followed by excessive sleeping
Depression
Irritability
Erratic behavior
Isolation
Strained relationships
Missed work
Increased time away from family
Stealing/Lying/Financial problems
Thoughts of suicide
Paranoia
Auditory hallucinations
Talking rapidly
Common signs of cocaine addiction withdrawal include but are not limited to: depressed mood
fatigue
generalized malaise
vivid and unpleasant dreams
agitation and restless behavior
slowing of activity
increased appetite
intense cravings for cocaine
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