In turn, its influence on the reward circuit can lead a user to bypass survival activities and repeat drug use. Chronic cocaine use can lead to a cocaine addiction and in some cases damage the brain and other organs. An addict will continue to use cocaine even when faced with adverse consequences.
vasodilator (vÄÂ´zÅdÄ«Â´lÄtur), n 1. an agent that causes dilation of the blood vessels. n 2. a drug that relaxes the smooth muscle walls of the blood vessels and increases their diameter.
Vasoconstriction is the process of constriction of blood vessels, which may result in decrease of flow of blood.Normal blood flow is necessary for carrying oxygenated blood to all parts of the body and when the normal flow is disrupted it may cause various problems.our doctor should find out the underlying factors that cause vasoconstriction before giving treatment. He may prescribe alpha adrenoreceptor antagonist (which is a vasodilator) for reducing the constriction of blood vessels and increasing blood flow.