International Index of Erectile Function (IIEF-5)

By Dr. Costa / July 15, 2025

Assess erectile dysfunction.

IIEF-5 Calculator

International Index of Erectile Function (IIEF-5)

The abridged five-item version of the International Index of Erectile Function (IIEF) can be utilized as part of the evaluation of erectile dysfunction.

1. Over the past 6 months, how often were you able to achieve an erection during sexual activity?

0 (no sexual activity)
1 (almost never or never)
2 (a few times – much less than half the time)
3 (sometimes – about half the time)
4 (most times – much more than half the time)
5 (almost always or always)

2. Over the past 6 months, when you had erections with sexual stimulation, how often were your erections hard enough for penetration?

3. Over the past 6 months, when you attempted sexual intercourse, how often was it satisfactory for you?

4. Over the past 6 months, how often have you been able to maintain your erection after you had penetrated (entered) your partner?

5. Over the past 6 months, how difficult was it to maintain your erection to completion of intercourse?

0 (no sexual activity)
1 (extremely difficult)
2 (very difficult)
3 (difficult)
4 (slightly difficult)
5 (not difficult)

Your IIEF-5 Score:
Interpretation:

References

Rosen RC, Cappelleri JC, Smith MD, Lipsky J, Peña BM. Development and evaluation of an abridged, 5-item version of the International Index of Erectile Function (IIEF-5) as a diagnostic tool for erectile dysfunction. International Journal of Impotence Research 1999, 11 (6): 319-26

Author

Dr. Costa

Specialty Doctor, NHS, UK

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References

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