Abusers can also suffer
side effects from other ingredients mixed in cough medicines, such as acetaminophen, which can cause liver damage.
"Because of the drug's perceived safety, ease of availability, and desired psychoactive effects, it is sought after by those seeking to alter their mental state," states the FDA review.
Misuse tied to 8,000 ER visits a year
According to the FDA, inappropriate use of the ingredient was linked to nearly 8,000 emergency room visits in 2008.