DefinitionCocaine is a powerful central nervous systemstimulant with potent cardiovascular (heart and blood vessel) side effects. Signs of intoxication typically begin with enlarged pupils, a feeling of being "high" (euphoria), agitation, and increased heart rate and blood pressure.With higher doses, sweating, tremors, confusion, hyperactivity, seizures, stroke, cardiac arrhythmias(irregular heart beats), and sudden death can occur.See also:CocaineDrug abuseDrug abuse and dependenceDrug abuse first aidStroke secondary to cocaineAlternative NamesIntoxication - cocaineCauses, incidence, and risk factorsBleeding into the lungs, fluid in the lungs, and damage to lung tissue have become more common as a result of crack cocaine smoking.Those who are thought to have swallowed poorly packaged coca