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J Urol. 1998 Feb;159(2):433-6.

Yohimbine for erectile dysfunction: a systematic review and meta-analysis of randomized clinical trials.

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  • 1Department of Complementary Medicine, Postgraduate Medical School, University of Exeter, United Kingdom.



Erectile dysfunction is a common problem, particularly in diabetics. It is associated with a considerable burden of suffering. No generally accepted drug treatment exists. We systematically reviewed and meta-analyzed all randomized, placebo controlled trials of yohimbine monotherapy for erectile dysfunction to determine its therapeutic efficacy. Our secondary aim was to evaluate the safety of yohimbine.


We used computerized literature searches and standardized data extraction to rate methodological quality in a meta-analysis using computer statistical software.


Seven trials fit the predefined inclusion criteria. Overall methodological quality of these studies was satisfactory. The meta-analysis demonstrated that yohimbine is superior to placebo in the treatment of erectile dysfunction (odds ratio 3.85, 95% confidence interval 6.67 to 2.22). Serious adverse reactions were infrequent and reversible.


The benefit of yohimbine medication for erectile dysfunction seems to outweigh its risks. Therefore, yohimbine is believed to be a reasonable therapeutic option for erectile dysfunction that should be considered as initial pharmacological intervention.

[PubMed - indexed for MEDLINE]
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