A highly dangerous synthetic cannabis is either sprayed on to herbal smoking material or added to cigarettes in powder form.
Public Health England says the chemicals known as 'spice' can cause sickness and convulsions - and while there haven't been any cases recorded in Devon, the substance may well be available here.
The Exeter drug and alcohol charity RISE wants to pass the warning on to local residents.
Delivery driver sacked after dumping Devon parcels
South Devon MP Voaden slams Evri
Massive turnout for 'collapsed road' meeting
It could take a year to fix the A376
Radio Exe listening reaches highest level ever
It's up a third in a year
Seventh weather warning hits Devon
Not another one!
Police probe Airbnb owners after Co-Op heist
Did thieves stay with you?
Second swimmer named after Budleigh Christmas swim
The father of two was found at Sandy Bay
