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Cocaine is extracted from the leaves of the coca plant in the form of a white powder called cocaine hydrochloride.

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The powder can be inhaled or injected or converted to what is called crack cocaine for smoking.

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Cocaine produces an increase in alertness, agitation, energy, and a feeling of euphoria that lasts from a few minutes to an hour.

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Cocaine blocks the reabsorption of dopamine into the pre-synaptic neuron.

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The net result is that more dopamine is available in the synapse causing more activity in these synapses.

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The behavioral effect seems to result from the dopamine producing neurons in the limbic system

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a set of brain structures that is involved in emotions, motivation, and memory.