These common drugs may increase dementia risk

Their effect is to help relax or contract muscles, and doctors can prescribe them to help treat bladder conditions, gastrointestinal problems, and some of the symptoms of Parkinson's disease.

ISLAMABAD (Online): New research by scientists from the University of Nottingham in the United Kingdom has analyzed the link between a certain class of drugs and the risk of dementia.
The drugs in question, called anticholinergics, work by inhibiting a chemical messenger called acetylcholine.
Their effect is to help relax or contract muscles, and doctors can prescribe them to help treat bladder conditions, gastrointestinal problems, and some of the symptoms of Parkinson’s disease.
In their new study, which looked at data from tens of thousands of participants, the researchers concluded that anticholinergics may increase a person’s risk of developing dementia.
The National Institute for Health Research funded this study, and the scientists published their findings yesterday in JAMA Internal Medicine.
For their study, lead researcher Prof. Carol Coupland and team analyzed the medical records of 58,769 people with dementia and 225,574 people without dementia. They were all 55 years old or above at baseline.
Among those with dementia, 63% were women and the average age was 82. For each person with dementia, the researchers found five control matches of the same age and sex and who attended the same general practice to receive medical care.
Prof. Coupland and colleagues sourced the data from the QResearch database and looked at medical records from between January 1, 2004 and January 31, 2016.
The researchers found that anticholinergic drugs in general were associated with a higher risk of dementia. More specifically, however, anticholinergic antidepressants, antipsychotic drugs, anti-Parkinson’s drugs, bladder drugs, and epilepsy drugs were associated with the highest increase in risk.

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