Opioid Use Disorder (OUD) is a substance use disorder relating to the use of an opioid. Signs of the disorder include a strong desire to use opioids, an increased tolerance to opioids, and difficulty reducing use and withdrawal symptoms associated with discontinuation.
Cannabinoid hyperemesis syndrome (CHS) is a condition that leads to repeated and severe bouts of vomiting. CHS is rare and only occurs in daily long-term users of cannabis. Because many healthcare workers are unaware of this condition, diagnosis is not always straightforward.