The symptoms of coca and cocaine are mostly similar. Sensations as if a small foreign body or a worm under the skin, seeing and feeling of bugs on his own person and on his clothes, and as if parts of the body were absent, are more pronounced in cocaine. Moral sense blunted. Frightful persecutory hallucinations. Personal appearance neglected. Thinks he hears unpleasant remarks about himself. Irrational jealousy. Constant desire to do something great; to undertake vast feats of strength. Chorea. Paralysis agitans. Alcoholic or senile trembling.