The Cochrane Schizophrenia Group

Old side effects and old drugs; old side effects and new drugs

silence the voices - still the visions

silence the voices – still the visions (Photo credit: Jackal1)

By Clive Adams

People using antipsychotic drugs like chlorpromazine and haloperidol get [anticholinergic] side effects such as blurred vision, dry mouth and constipation but the proportion of people experiencing these is not clear.

Past surveys are very old indeed, small and not really proper surveys at all. Their results had been perpetuated for decades without verification. They were undertaken so long ago that they were only about older drugs – so the lack of verification had resulted in bias as the older drugs held their reputation of causing these effects and the newer ones never gathered it in the same way. Read the rest of this entry »

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