Melanoma and seborrheic keratosis are two skin disorders that cause the appearance of dark or black spots. Melanoma is a form of skin cancer that is serious and can develop on any area of the body, as stated by the Natio... More »

There are times when black spots on the skin are a normal occurrence, states Petfinder.com. These spots can usually be found in areas with constant friction, such as under the legs. However, black lesions on the skin can... More »

The location, size and texture of red spots on the skin are often useful for differentiating one skin condition from another, states WebMD. Many conditions that cause red spots on the skin are localized to one area of th... More »

www.reference.com Health Conditions & Diseases Skin Conditions

The appearance of white spots on the skin is one of the main symptoms that occurs in the early stages of lichen sclerosis, according to the National Institute of Arthritis and Musculoskeletal and Skin Diseases. These whi... More »

Brown or any other spots in the eyes can be caused by various diseases and conditions ranging from minor trauma to severe diseases like cancer. While there are some medical conditions where permanent damage to the eye is... More »

The main cause of white spots on the nails is minor to moderate trauma to the nail, according to HowStuffWorks. Other causes of white spots on the nails include a fungus, allergy, minor infection or medication. More »

www.reference.com Health Pain & Symptoms

Some diseases that cause red eyes include keratitis, blepharitis, scleritis and subconjunctival hemorrhage, states Mayo Clinic. Red eyes result from inflammation, causing expansion of blood vessels on the surface of the ... More »

www.reference.com Health Pain & Symptoms