A 16-year-old girl from Peel is under observation at Noble’s Hospital after taking what is suspected to be prescribed medication.
Her condition is not believed to be life-threatening.
Police have not said which drug they think she took.
A police spokesman said: ‘It would appear that some young persons are taking medication socially and police warn that the volume of consumption of the prescription medication can be very harmful.
‘Officers from the Western Neighbourhood Policing Team are making inquiries to try to find out more information to help stop this dangerous activity.’
Anyone who may have information that can assist with police inquires should contact police headquarters on 631212.