The BBC has heard reports of young people killing themselves or harming themselves and others.
Medical staff in the capital Freetown say that 90% of the male admissions to the central psychiatric ward are due to Kush use.
Police are battling to win the war against the drug.
Kush: Sierra Leone's new illegal drug https://t.co/JEfuTP7fUl pic.twitter.com/qtzw2hcazM
— World News (@Worldnews_Media) February 7, 2022