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. Author manuscript; available in PMC: 2006 Jan 25.
Published in final edited form as: Urol Clin North Am. 2005 Nov;32(4):379–v. doi: 10.1016/j.ucl.2005.08.007

TABLE 2.

Classification of Male Erectile Dysfunction

Organic

  1. Vasculogenic

    1. Arteriogenic

    2. Cavernosal

    3. Mixed

  2. Neurogenic

  3. Anatomic

  4. Endocrinologic

Psychogenic

  1. Generalized

    1. Generalized unresponsiveness

      1. Primary lack of sexual arousability

      2. Aging-related decline in sexual arousability

    2. Generalized inhibition

      1. Chronic disorder of sexual intimacy

  2. Situational

    1. Partner-related

      1. Lack of arousability in specific relationship

      2. Lack of arousability owing to sexual object preference

      3. High central inhibition owing to partner conflict or threat

    2. Performance-related

      1. Associated with other sexual dysfunction/s (e.g. rapid ejaculation)

      2. Situational performance anxiety (e.g. fear of failure)

    3. Psychological distress- or adjustment-related

      1. Associated with negative mood state (e.g. depression) or major life stress (e.g. death of partner)