scopolamine
Noun
Meaning
an alkaloid with anticholinergic effects that is used as a sedative and to treat nausea and to dilate the pupils in ophthalmic procedures
Source: WordNetSynonyms
Hypernyms
Examples
transdermal scopolamine is used to treat motion sickness
someone sedated with scopolamine has difficulty lying
Exceptions include scopolamine hydrobromide, which is soluble in organic solvents, and the water-soluble quinine sulfate.
In November 1990, the US Food and Drug Administration forced OTC products with scopolamine and several hundred other ingredients that had allegedly not been proved effective off the market.
The active ingredient, scopolamine, is about as effective as antihistamines (such as dimenhydrinate, used in Dramamine) in preventing motion sickness, but carries less risk of common side effects such as drowsiness, according to a recent Cochrane Review.
The analgesia from scopolamine plus a strong opioid is deep enough to allow higher doses to be used as a form of anaesthesia.