As bile travels through your digestive tract, it is chemically altered by enzymes, changing the colors from green to brown. The American Academy of Dermatology advises watching skin spots for: Asymmetry. Vitiligo affects . Dec 1, 2025 · Riboflavin may cause urine to have a more yellow color than normal, especially if large doses are taken. This is to be expected and is no cause for alarm. For instance, some urinary tract infections can turn urine Oct 10, 2024 · Stool color is generally influenced by what you eat as well as by the amount of bile — a yellow-green fluid that digests fats — in your stool. This results in the nails turning a yellowish color. Usually, however, riboflavin does not cause any side effects. The discolored areas usually get bigger with time. With albinism, the colored parts of the eyes, called the irises, usually don't have enough pigment. And some medicines can give urine vivid tones, such as orange or greenish-blue. But certain things can change the color. An unusual urine color also can be a sign of a health problem. This tube is the bile duct. Color changes. Foods such as beets, blackberries and fava beans can turn urine pink or red, for example. This allows light to shine through the irises and makes the eyes extremely sensitive to bright light. Check with your health care professional if you notice any other unusual effects while you are using it. Vitiligo affects Jan 10, 2025 · Diagnosis If you have trouble seeing certain colors, an eye care professional can test for a color deficiency. Border irregularity. If the liver doesn't produce bile or if bile gets stuck in the liver, stool will be light colored or white. It often can be cured if found early. Diameter greater than 1/4 inch (about 6 Jul 3, 2025 · Doppler ultrasound is a noninvasive test that can be used to measure the blood flow through your blood vessels. Nails affected by yellow nail syndrome might lack a cuticle and detach from the nail bed in places. Jul 3, 2025 · Stool gets its typical brownish color from bile, which flows into the small intestine during the digestive process. These melanoma pictures can help show you what to look for. The condition can affect the skin on any part of the body. It works by bouncing high-frequency sound waves off red blood cells that are circulating in the bloodstream. Often the problem occurs in the tube that delivers the bile to the small intestine. Testing likely involves a thorough eye exam and looking at specially designed pictures. Dec 23, 2025 · Melanoma pictures for self-examination Melanoma is a serious form of skin cancer. These pictures are made of colored dots that have numbers or shapes in a different color hidden in them. Yellow nail syndrome may be a symptom of a lung disease, such as chronic bronchitis. Normally, the color of hair and skin is determined by melanin. Jun 30, 2023 · Yellow nail syndrome In yellow nail syndrome, nails thicken and grow slower. Vitiligo occurs when cells that produce melanin die or stop functioning. Because of this, very light-colored eyes may appear red in some lighting. A regular ultrasound uses sound waves to produce images, but can't show blood Dec 13, 2023 · Eye color can range from very light blue to brown and may change with age. It can also affect hair and the inside of the mouth. Jan 10, 2025 · Diagnosis If you have trouble seeing certain colors, an eye care professional can test for a color deficiency. Feb 1, 2024 · Vitiligo (vit-ih-LIE-go) is a disease that causes loss of skin color in patches. Oct 11, 2025 · Overview Regular urine color ranges from clear to pale yellow.

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