The patient is likely to have ### Hair Disease: Telogen effluvium ### Disease Description: Telogen effluvium is a scalp disorder characterized by the thinning or shedding of hair resulting from the early entry of hair in the telogen phase (the resting phase of the hair follicle). Emotional or physiological stress may result in an alteration of the normal hair cycle and cause the disorder. ### Severity of Disease: Severe The patient should use ### Medication: Finasteride ### Medication Description: An oral medication that helps to slow hair loss and promote hair growth by blocking the conversion of testosterone to dihydrotestosterone, a hormone that can damage hair follicles. ### Duration: 12 months ### Side Effects: Decreased libido, Erectile dysfunction, Decreased volume of ejaculation