Evaluation of Libido by Man

Semir A. S. Al Samarrai

All patients with decreased libido must be investigated for hypogonodal disorders and for drug use that might have suppressed gonadal function.

Drugs that depress libido in susceptible individuals include:

– Diazepam.
– Imipramin.
– Digoxin.
– Methlydopa.
– Doxipin.
– Propranolol.

Some patients are preoccupied with concerns about malignancy or venereal disease, such as AIDS.

When poor libido is associated with erectile dysfunction or premature ejaculation, what appears to be the problem, the lack of libido, may be nothing more than a mechanism for dealing with the more worrisome sexual dysfunction.

More quantifiable assessments of neurologic function are available and include strictly urologic techniques, such as urodynamic tests of bladder contractility, and neurologic techniques, such as evoked potential studies.

Disturbed sexual function may result quite directly from CNS disturbances of endocrinologic function. Patients with pituitary

tumors routinely report decreased sexual interest. Decreased serum testosterone because of pituitary or hypothalamic dysfunction may also reduce sexual interest.

Performing specialized studies should be individualized. Not all patients require these potentially invasive or expensive tests. The urologist should determine whether the information obtained would be valuable in diagnosing and treating the patient. If the results of the tests will not alter patient management, the tests should not be performed.


Professor Doctor of Medicine-Urosurgery, Andrology, and Male Infertility
Dubai Healthcare City, Dubai, United Arab Emirates.
Mailing Address: Dubai Healthcare City, Bldg. No. 64, Al Razi building, Block D,
2nd floor, Dubai, United Arab Emirates, PO box 13576
Email: fmcalsam@emirates.net.ae