Civil libertarians have hit out at tough anti-drugs legislation they claim is at odds with the legalisation of medicinal marijuana, both of which were set to be introduced in Queensland.

But the Queensland government insists the tough new penalties will be targeted at traffickers and not medicinal marijuana users.

The Queensland Council of Civil Liberties is concerned tough new drugs legislation could target users of medicinal marijuana.

Queensland Council of Civil Liberties president Michael Cope said the Public Health (Medical Cannabis) Bill would be ineffective in its current form and its benefits were, in part, offset by proposed penalty increases under the Drugs Misuse Act.

Those changes, recommended by Michael Byrne QC's Commission of Inquiry into Organised Crime, would see cannabis and other drugs reclassified as "dangerous", putting them in the same category as heroin, cocaine and ecstasy.