Antidepressants Raises Cataract Risk in Elderly

by VR Sreeraman on  June 2, 2010 at 3:56 PM Drug News   - G J E 4
Older adults who take SSRI antidepressants may be more likely to develop cataracts, says a study.

The study has been published in Ophthalmology, the journal of the American Academy of Ophthalmology.
 Antidepressants Raises Cataract Risk in Elderly
Antidepressants Raises Cataract Risk in Elderly

The study, led by Mahyar Etminan, PharmD, of Vancouver Coastal Health Research Institute, Canada, assessed data for nearly 19,000 people age 65 or older, all of whom also had cardiovascular disease. Their records were compared to about 190,000 controls.

The effect was strongest for three SSRIs: Luvox (fluvoxamine) increased risk by 39 percent, Effexor (venlafaxine) by 33 percent and Paxil (paroxetine) by 23 percent.

The apparent increased risk was associated only with current, not past, drug use. Some antidepressants did not appear to be associated with cataract risk, but this could have been because the numbers of study participants using these drug types were too small to show effects, or because only specific agents in certain medications are related to cataract formation.

"The eye's lens has serotonin receptors, and animal studies have shown that excess serotonin can make the lens opaque and lead to cataract formation," Dr. Etminan said. "If our findings are confirmed in future studies, doctors and patients should consider cataract risk when prescribing some SSRIs for seniors," he added.

Source: ANI

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