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.
Some infants with koilonychia do have iron deficiency, so see your baby's doctor if you notice this nail change. Vitamin B-12 deficiency can cause nail discoloration, including, brownish or blue nails or blue-black streaks not associated with ridges. Brown, black or white bands can also indicate malnutrition.