The FDA also issued a warning to health care professionals in 2007 about patients who experienced chills, fever and body aches shortly after receiving the drug for sedation or general anesthesia.

CNN: Diprivan not approved for sleep disorders

Diprivan is a powerful drug administered intravenously to induce or maintain anesthesia or sedation, according to the Food and Drug Administration.

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My husband then asked about anesthesia, and was told that he would receive conscious sedation.

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Doctors consider sedation a continuum, where relaxation is on the mild side and general anesthesia is at the other extreme.

CNN: Diprivan not approved for sleep disorders