Do all the laws which apply to drinking and driving apply to taking drugs and driving?

Answer:
Yes. The charge isn't "drinking and driving" - it's "driving while impaired", "driving under the influence", etc. It applies to driving while impaired by/under the influence of all substances which can impair your ability to drive, be it alcohol, prescription medications, illegal substances, etc.
First answer by BurningSaviour. Last edit by BurningSaviour. Contributor trust: 231 [recommend contributor recommended]. Question popularity: 1 [recommend question].