Corvalol

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Corvalol (Корвалол, Corvalolum, Korvalol) is a tranquilizer based on the herb valerian (Valeriana officinalis) root, as well peppermint oil Mentha piperita and hop extract Humulus lupulus and the barbiturate phenobarbital, popular in Eastern Europe and the former Soviet Union as a heart medication. It is available as a transparent liquid with a characteristic strong aroma, and as white bi-concave scored tablets. While not available for sale in the Western countries,^[which?] Corvalol is sometimes brought over from Eastern Europe for self-administration to other countries of residence. Corvalol contains documented amounts of psychoactive chemicals, and may interact with other prescription medications that a person is taking.^{[citation needed]}

Corvalol was developed in the USSR in 1960 as an analogue of the German drug Valocordin, and is therefore similar in composition and action.^[1]