Scopolamine

C₁₇H₂₁NO₄

Alkaloid drug obtained from plants of the Solanaceae family (Nightshade), such as henbane?. Structurally similar to acetylcholine?.

Anticholinergic? with CNS depressant effects. Can cause delirium? in the presence of pain. Causes pupillary dilation and cycloplegia?. When combined with morphine it produces a tranquilized state known as twilight sleep and amnesia?, originally used in obstetrics it is now considered dangerous

Used in ophthalmy for cycloplegia and mydriasis in diagnostic procedures. In the treatment of iridocyclitis?. It is also an antiemetic?, antivertigo?, antispasmodic?, used as a pre-anesthetic sedation and obstetric amnesia, as an antiarrhythmic during anesthesia and for the prevention of [motion sickness]?.

Overdose causes delirium, delusion?s, paralysis, and stupor.

The use of scopolamine as a truth drug was investigated by various intelligence agencies including the CIA during the 50s, however it was found that due to the psychedelic side-effects of the drug that the truth was prone to distortion and the project was subsequently abandoned..