Drugs and Driving

There are three groups of drugs/medicines that may reduce one's driving ability. These are:
  • Narcotic substances that are not used as medicines.
  • Medicines that affects one's attention (and are regarded as narcotic)
  • Medicines who may reduce one's driving ability though not regarded as narcotic. (e g some allergy medicines)

Combining any of these with alcohol is especially dangerous. Medicines that may reduce one's driving ability are often marked with a warning triangle. The most common drug to be found at traffic controls is amphetamine (which may be prescribed by a doctor). Second comes cannabis. Heroin , cocaine and other illegal drugs are seldom to be found in these controls. Two thirds of the drug abuse in Sweden is related to cannabis. Cannabis has also been much studied from a road-safety point of view. The conclusion is that cannabis should be regarded as dangerous in traffic.

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