Stool color: When to worry - Mayo Clinic
Oct 10, 2024 · Stool comes in a range of colors. All shades of brown and even green are considered typical. Only rarely does stool color indicate a possibly serious intestinal condition. 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.
Color blindness - Symptoms and causes - Mayo Clinic
Jan 10, 2025 · Different shades of red and green. Different shades of blue and yellow. Any colors. The most common color deficiency is an inability to see some shades of red and green. Often, a person who is red-green or blue-yellow deficient isn't completely insensitive to both colors. Defects can be mild, moderate or severe. When to see a doctor
Urine color - Symptoms and causes - Mayo Clinic
Jan 10, 2023 · Blue or green urine. Blue or green urine can be caused by: Dyes. Some brightly colored food dyes can cause green urine. Dyes used for some kidney and bladder tests can turn urine blue. Medicines. A medicine for depression called amitriptyline can make urine look greenish-blue. So can a treatment for ulcers and acid reflux called cimetidine ...
Baby poop: What to expect - Mayo Clinic
Jan 26, 2024 · Black or dark green. After birth, the first stool a baby passes is black or dark green and tarry. This type of baby poop is known as meconium. Yellow-green. Your baby's poop may turn this color once the meconium stool has passed. Yellow. Breastfed newborns usually have seedy, loose stool that looks like light mustard. Yellow or tan.
Urine color - Diagnosis and treatment - Mayo Clinic
Jan 10, 2023 · Lifestyle and home remedies. When you're dehydrated, your urine becomes darker in color. If this happens, it might mean you need more fluids.
Positron emission tomography scan - Mayo Clinic
The loss of red color with an increase in yellow, blue and green colors shows areas of decreased metabolic activity in the brain due to Alzheimer's disease. PET scans can be used to check certain brain disorders, such as tumors, Alzheimer's disease and seizures.
Acute sinusitis - Symptoms and causes - Mayo Clinic
Aug 29, 2023 · Symptoms. Acute sinusitis symptoms often include: Thick, yellow or greenish mucus from the nose, known as a runny nose, or down the back of the throat, known as postnasal drip.
7 fingernail problems not to ignore - Mayo Clinic
Jun 30, 2023 · The separated part of the nail becomes cloudy with a white, yellow or green tint. Sometimes detached nails are due to an injury or an infection. In other cases, nail separation is a reaction to a medicine or to a consumer product, such as nail hardeners or adhesives.
Melanoma pictures to help identify skin cancer - Mayo Clinic
Dec 16, 2023 · A spot with more than one color or uneven color may indicate cancer. Colors can include shades of tan, brown or black or areas of white, red or blue. Melanomas can look different on Black and brown skin than they do on white skin.
Cold sore - Symptoms and causes - Mayo Clinic
Jan 5, 2024 · Illustration of cold sore on different skin colors. A cold sore is a cluster of fluid-filled blisters. Healing often occurs in two to three weeks without scarring. Cold sores are sometimes called fever blisters.