
Urine color - Symptoms and causes - Mayo Clinic
Oct 11, 2025 · Overview Regular urine color ranges from clear to pale yellow. But certain things can change the color. Foods such as beets, blackberries and fava beans can turn urine pink or red, for …
Color blindness - Diagnosis and treatment - Mayo Clinic
Jan 10, 2025 · Diagnosis If you have trouble seeing certain colors, an eye care professional can test for a color deficiency. Testing likely involves a thorough eye exam and looking at specially designed …
Stool color: When to worry - Mayo Clinic
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. As bile travels through your digestive tract, it is …
Melanoma pictures to help identify skin cancer - Mayo Clinic
Dec 23, 2025 · Melanoma pictures for self-examination Melanoma is a serious form of skin cancer. It often can be cured if found early. These melanoma pictures can help show you what to look for. The …
Doppler ultrasound: What is it used for? - Mayo Clinic
Jul 3, 2025 · Doppler ultrasound is a noninvasive test that can be used to measure the blood flow through your blood vessels. It works by bouncing high-frequency sound waves off red blood cells that …
Bronchitis - Symptoms and causes - Mayo Clinic
Jul 31, 2024 · Symptoms If you have acute bronchitis, you may have cold symptoms, such as: Cough Production of mucus (sputum), which can be clear, white, yellowish-gray or green in color — rarely, it …
Raynaud's disease - Symptoms and causes - Mayo Clinic
Nov 16, 2024 · Raynaud's disease causes smaller blood vessels that supply blood flow to the skin to narrow in response to cold or stress. The affected body parts, usually fingers and toes, might turn …
Riboflavin (oral route) - Side effects & dosage - Mayo Clinic
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. Usually, however, riboflavin does …
Colon polyps - Symptoms and causes - Mayo Clinic
Blood can show up as red streaks in the stool or make stool appear black. A change in color also may be caused by certain foods, medicines or dietary supplements. Mucus in stool. Stool often contains a …
Vagina: What's typical, what's not - Mayo Clinic
Jan 30, 2025 · Talk with a member of your healthcare team if you have: A change in the color, odor or amount of vaginal discharge. Changes in vaginal skin color or itching. Vaginal bleeding between …