Anticholinergic which can be used as sedative and antiemetic premedication is
Hyoscine, also known as scopolamine, is a medication used to treat motion sickness and postoperative nausea and vomiting. It is also sometimes used before surgery to decrease saliva. When used by injection, effects begin after about 20 minutes and last for up to 8 hours.
Atropine
Glycopyrrolate
Hyoscine
Edrophonium
Intravenous Anesthetic Agents