Demi Lovato may be suffering from overdose complication

Los Angeles: Singer Demi Lovato is still hospitalised here six days after a suspected drug overdose and is reportedly suffering from complications.

The "Tell me you love me" singer is reportedly suffering complications from the overdose, including extreme nausea and a high fever, reports tmz.com.

While doctors have not decided when Lovato can be released from the hospital, "she is under the care of medical experts and is expected to make a full recovery", a source said.

On July 25, Lovato was found unconscious following an overdose. She was reportedly treated with Narcan, a medication designed to rapidly reverse opioid overdose, before being rushed to the hospital.