In the beginning of the pathology, the Phosphorus patient is very nervous, restless and extremely sensitive to all external impressions. Affected areas are sensitive to touch or jar and sexual desires increased. In a male patient, there is an extreme irresistible desire for coition with frequent and painful erections day and night. In female patients, there is nymphomania with unusual irritation of the genitals. As the pathology progresses overactivity of the mind and body soon is replaced by apathy, inability to concentrate, weakness of memory and aversion to metal efforts. Physical weakness increases and the patient becomes impotent with very feeble erections. Sexual desires begin to diminish and finally disappear. Complete impotency
