• Mehtap Bozkurt, Cuneyt Gocmez, Haluk Soylemez, Mansur Daggulli, Serda Em, Mehmet Yildiz, Murat Atar, Yasar Bozkurt, and Isa Ozbey.
• Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Dicle University, Diyarbakir, Turkey.
• J Sex Med. 2014 Jul 1;11(7):1816-22.

IntroductionThe pathophysiology of erectile dysfunction (ED) may be vasculogenic, hormonal, anatomical, neurogenic, drug-induced and/or psychogenic in origin. Neuropathic pain (NP) may facilitate ED, because it is frequently associated with anxiety, depression, and its drug, pregabalin, may also contribute ED.AimThe objective of this study was to determine whether pregabalin treatment for patients with neuropathic pain promotes erectile dysfunction.MethodsThe study sample consisted of a total of 102 male subjects that were subdivided into three groups. Group 1 patients (n = 31) had a pre-existing diagnosis of NP and was treated with 300 mg/day of pregabalin for at least 3 months. Group 2 patients (n = 34) were diagnosed with NP for at least 3 months; however, neither were they treated with pregabalin nor did they received physical therapy throughout the study. Lastly, healthy age-matched control subjects comprised group 3 (n = 37).Main Outcome MeasuresPatients in all groups completed the International Index for Erectile Function (IIEF) questionnaire.ResultsMean age and mean body mass index did not differ significantly between each of the three groups. The cause of NP and the mean duration of having a diagnosis of NP did not differ significantly in groups 1 and 2. However, IIEF scores were significantly lower for group 1 when compared to group 2 in terms of erectile function, orgasmic function, overall satisfaction and total score. Yet groups 1 and 2 did not diverge significantly in the intercourse satisfaction and sexual desire scores. Overall IIEF scores for group 3 were significantly higher than those of group 2 except for mean erectile function scores.ConclusionTaking pregabalin for the treatment of neuropathic pain poses an increased risk for developing ED in male patients. Thus, clinicians prescribing pregabalin to patients diagnosed with neuropathic pain should assess for ED before and during treatment with this medication.© 2014 International Society for Sexual Medicine.

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