Demi Moore. (Peter Kramer/AP)

An unidentified female friend of the actress can be heard telling the dispatcher that Moore — referred to as Demi — was “shaking, convulsing [and] burning up.”

Another unidentified woman said Moore was “semi-conscious.” She said Moore had “smoked something” that was not marijuana, but is similar to incense.

When the dispatcher asks if Moore has “done this before,” the woman answers, “I don’t know. There's been some stuff recently that we’re all just finding out.”

Portions of the tape have been redacted to protect Moore’s medical privacy, according to the Los Angeles Times.

Moore was taken to a hospital Monday after this call was made. In a statement released Tuesday, her rep said, “Because of the stresses in her life right now, Demi has chosen to seek professional assistance to treat her exhaustion and improve her overall health.”

Rumors about the cause of Moore’s hospitalization have been proliferated since. Moore and her husband of six years, Ashton Kutcher, announced plans to divorce in November 2011.

Listen to the audio below.