Razor bumps can occur on or near the genitals after shaving. Psoriasis - Bright red, shiny patches on the penis and/or genitals. It typically is not scaly or flaking when it occurs in the genital region due to the area being well-covered, so it retains more moisture than other parts of the body.
A: The main cause of a purple tinge in fingernails is low oxygen levels in the blood. This can be caused by poor circulation, as well as habits that inhibit oxygen absorption such as smoking. A single fingernail may also become purple if it has been injured, indicating a bruise underneath the nail.
Fingernails can also develop white lines or spots due to injury, but these eventually grow out with the nail. Not all nail conditions are normal, however. Consult your doctor or dermatologist if you notice: Changes in nail color, such as discoloration of the entire nail or a dark streak under the nail.