Indian Hemp. N.O. Cannabinacae. A tincture is prepared by dissolving 1 part of the resin in 20 of rectified spirit. 1 part of this to 4 of alcohol makes the first centesimal dilution.
CANNABIS INDICA has for ages been used as an intoxicant in the East under the names of hashish, bang, ganja, or churrus. It is smoked either alone or mixed with tobacco, is drunk as an intoxicating drink, or taken mixed with honey or sugar as a confection. The active principle is a red oil or resin, boiling at a high temperature and called cannabinol. This is a phenoaldehyde of composition OH C20 H28 COH.
The effects of cannabis indica are almost entirely due to its disturbing the central nervous system in the direction of mixed stimulation and depression, especially of the higher intellectual faculties. Soon after its administration the patient passes into a dreamy state in which the imagination is stimulated while the judgment is lessened. He has most extravagant visions and ideas which vary in their character according to his intellectual make-up and his habitual pursuits. His ideas are without continuity, they crowd him in rapid succession and all sense of measurement of time and space is lost. He is usually exalted, merry and in a state of bliss, but sometimes unpleasant ideas predominate and he may be in expectancy of disaster and death. True hallucinations may occur but usually consciousness of reality is not entirely lost and the patient has a glimmering that his visions are unreal but he cannot control them. When aroused he can answer questions intelligently but immediately relapses under the domination of this phantasies. There is anaesthesia or greatly lessened sense of pain and touch. In more advanced state, when unconsciousness is complete, he can yet be roused out of it temporarily. Tranquil sleep follows from which he generally awakes refreshed without depression or nausea, but weakness of mind and body, with occasional short recurrences of his dreams, may last for a day or two. Continued abuse of cannabis indica may lead to mania and dementia. Some tolerance rapidly acquired. It is said to be more exhilarating when inhaled than when swallowed. In some cases acute mania and convulsive attacks have been developed and in the natives of India catalepsy has been observed. Acute poisoning is extremely rare and recovery has taken place after enormous doses. When death has occurred it has probably been due to a direct action of the drug on the heart muscle.
Mind.-It will give some notion of the extraordinary mental condition produced by cannabis indica if some of the experiences and expressions of the provers are quoted. “Very excited, he begins to dance about the room, frequently laughing and talking nonsense”; thought he had taken the elixir of life”; “thought he must surely die and be dissected (in a medical man)”; “the pencil he was writing with seemed to grow to an enormous size”; “the right side of the body seemed to be much enlarged”; “his head seemed to swell to the size of a balloon”; “he thought he was an inkpot and had been spilled”; “felt as if his body was lifted up and he was going to fly”; “felt as if raised from the ground and walking through air”; “ten minutes seemed two hours”; “voices of those speaking to him seemed to come from an immense distance”; “could hear and distinguish the sounds of colours”; “his mind seemed to be split into two halves, a sane and a mad half, with the sane half amusedly looking on at what the mad half was doing”; “could read the titles on the covers of books in a bookcase in another room (clairvoyance,)” and so on. Any slight sensation in his body or the least impression from external surrounding would start a train of most extravagant phantasmagoria.