• Depression
• Hypogonadism
• Hyperthyroidism
Acromegaly
Addison’s disease.
• Anxiety
• Vascular insufficiency
• Neuropathic e.g. diabetes, alcohol excess, multiple sclerosis.
• Drugs: beta-blockers, thiazide diuretics, antihistamines, metoclopramide, sedatives, tricyclic anti-depressants, antihypertensives.
Blood glucose
Serum testosterone
FSH, LH
Serum prolactin.
Testosterone if there is hypogonadism.
In diabetic neuropathy oral sildenafil (Viagra); a phosphodiesterase inhibitor is first-line therapy. Nitrates are contraindicated with Viagra because of the risk of severe hypotension.
Injection of prostaglandin El by the patient himself.
Vacuum constriction device
Penile prostheses