A triphasic withdrawal syndrome follows an abrupt discontinuation of ______ use.

Cocaine use produces a mild physical, but a strong psychic dependence. A triphasic withdrawal syndrome follows an abrupt discontinuation of chronic cocaine use. Signs and symptoms : In the early phase (crash phase, 9 h to 4 days), there is anorexia, depression, agitation, excessive craving, hypersomnia, fatigue and exhaustion which is followed by normal mood, anxiety and anhedonia (next 4-7 days). In third phase (extinction phase, after 7-10 days), there are no withdrawal symptoms, but increased vulnerability to relapse. Treatment : Bromocriptine and amantadine are useful in reducing cocaine craving. Gabapentin is being used in adult addicts.