7B02.3/G47.8 Parasomnia disorder due to a medication or substance



Parasomnia disorder due to a medication or substance is caused when a person takes a medication or uses a substance that causes abnormal sleep behaviors. These behaviors can include sleepwalking, sleep talking, nightmares, night terrors, and sleep paralysis.


Diagnosis is based upon a patient’s medical history, physical exam, and laboratory tests. Additionally, a sleep study may be conducted to determine the type and severity of the disorder.

Differential diagnosis

Differential diagnosis also includes other sleep disorders such as Sleep Apnea, Narcolepsy, and Restless Leg Syndrome.


Treatment will vary depending upon the individual and the cause of the disorder. It may include medications, psychological therapy, and lifestyle changes.


The prognosis is generally good with treatment. However, some people may experience chronic symptoms.

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