Assessment in an open trial if a standardized saw palmetto preparation has a positive influence on sexual dysfunctions in patients with BPH and sexual dysfunctions.

Inclusion Criteria:

• Patients with BPH and sexual dysfunctions (erectile dysfunction or decrease in libido)
• IPSS > 4
• BSFI, sexual drive questions < 5

Exclusion Criteria:

• Lack of libido which is due to a psychic disease or a depressive mood -Excessivly strong lack of libido in the judgement of the investigator within the last two months
• Patients with severe vascular disorders (microangiopathies)
• Patients with known neuropathies
• Severe diabetes mellitus
• Patients with hypertension who are for less than two months on a stable antihypertensive medication
• Known bad compliance of the patient