Smell cocaine

Uses.—It is necessary to distinguish clearly between the local and systemic effects of cocaine. When locally applied cocaine is a paralyzant to the peripheral ends of the sensory nerves, and to a lesser degree to the motor nerves, and stimulating to the muscular coats of the blood vessels. As a result of these actions when painted over mucous membranes it causes blanching of the part and diminished sensation. It produces not only lessened serisibility to pain and touch but also of the acuity of the special senses, thus it diminishes in the mouth the power of taste and in the nose that of smell. 

The drug cocaine hydrochloride hydrolyzes in air to give methyl benzoate. Its odor, which smells like pineapple guava, is used to train detection dogs. (14.3)... 

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