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Hearing Loss May be a Downside of Viagra

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2010-05-19 09:59

A new study out of the University of Alabama at Birmingham School of Public Health validates the 2007 Food and Drug Administration (FDA) label changes regarding hearing loss and phosphodiesterase type 5 inhibitors (PDE-5i).

PDE-5is medications include Viagra, Cialis, and Levitra. The new study reports the downside of their use is the risk of hearing loss. This downside of Viagra and the other PDE-5is puts the men who use the drugs at twice the risk of hearing loss as men who don’t use the drugs.

The results of Gerald McGwin’s, professor of epidemiology, study are published in the May 18 issue of the journal Archives of Otolaryngology-Head and Neck Surgery

The FDA originally decided to feature warnings about hearing loss on labels for PDE-5i drugs after 29 cases of the problem were reported between 1996 and 2007. The hearing loss was reported to occur within hours to days of taking the drugs.

McGwin’s cross-sectional study used a population-based sample of 11,525 men 40 years or older from the 2003-2006 Medical Expenditure Panel Survey (MEPS), a longitudinal, overlapping panel cohort, with each cohort consisting of approximately 15 000 households, including a subsample of approximately 39 000 individuals chosen from the National Health Interview Survey using a stratified and clustered sample with weights that produce nationally representative estimates.

The overall prevalence of self-reported hearing loss was 17.9% and increased with age. The prevalence among those in their forties was 7.5%, and this increased to 15.0%, 24.4%, 32.9%, and 47.2% in subsequent decades.

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Approximately 2% of men reported having used a PDE-5i. Use was lowest among those in their forties (0.8%), steadily increased until men were in their 60s (3.3%), and then subsequently declined to 0.5% for men 80 years or older.

Among those reporting PDE-5i use, Viagra was the most frequently used (80.3%), followed by Levitra (20.2%) and Cialis (12.8%).

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