2. Corrosive sublimate, a white crystalline precipitate.
3. Arsenio-nitrate of silver, a yellow precipitate.
4. Caustic potash added to the hydrochloride and warmed causes a strong odour of tobacco.
5. Solution of iodine in ether added to ethereal solution of nicotine is followed by the production of long needle crystals after some hours.
Treatment.—Promote vomiting, wash out the stomach, cold water douches, and stimulants. Inject strychnine hypodermically.
LOBELIA
Lobelia, or Indian Tobacco, Lobelia inflata (N.O. Lobeliaceæ), is extensively employed in North America in the treatment of asthma. The plant is officinal in the British Pharmacopœia. In small doses it possesses expectorant properties.
Symptoms.—Nausea, vomiting, giddiness, cold clammy sweats, and great depression. The pulse becomes irregular, and very feeble. Taken together, the symptoms are not unlike those produced by tobacco.
Fatal Period.—One to two days, or more.
Fatal Dose.—One drachm of the powder.