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The International Index of Erectile Function addresses the relevant domains of male sexual function (i.e., erectile function, orgasmic function, sexual desire, intercourse satisfaction, and overall satisfaction), is psychometrically sound, and has been linguistically validated in multiple languages. This questionnaire is readily self-administered in research or clinical settings. Other relevant information
The IIEF demonstrates the sensitivity and specificity for detecting treatment-related changes in patients with erectile dysfunction. Dimension(s) covered by the questionnaire:
  • Erectile function (6 items)
  • Orgasmic function (2 items)
  • Sexual desire (2 items)
  • Intercourse satisfaction (3 items)
  • Overall satisfaction (2 items)
There are two versions of the IIEF. Version 1 is applicable only to heterosexual men. Version 2 is slightly edited so that it is applicable to both heterosexual and homosexual men. All available translations of both instruments are available on this website.

Rosen RC, Riley A, Wagner G, Osterloh IH, Kirkpatrick J, Mishra A. The international index of erectile function (IIEF): A multidimensional scale for assessment of erectile dysfunction. Urology 1997;49:822-830.

[German translation] Wiltink J, Hauck EW, Phadayanon M, Weidner W, Beutel ME. Validation of the German version of the International Index of Erectile Function (IIEF) in patients with erectile dysfunction, Peyronie's disease and controls. Int J Impot Res. 2003;15(3):192-197.

[Malay translation] Quek KF, Low WY, Razack AH, Chua CB, Loh CS. Reliability and validity of the Malay version of the International Index of Erectile Function (IIEF-15) in the Malaysian population. Int J Impot Res. 2002;14(4):310-315.