Above a pH of 6, chromium trioxide is yellow, but orange red crystals form when the pH falls below 6. Normally, the urine pH varies from 4 to 8. We postulate, that physiological changes in urine pH in combination with chromate which was added to the urine samples, produced the 'Rainbow urine' in our patient.
Rainbow-colored sheen on water is from iron bacteria, naturally occurring living organisms (harmless to humans) that live on iron in the water. They also produce reddish-brown slime inside the toilet flush tank, and can make the water stink like swamp water. The water source needs to be treated to kill the bacteria.
High-dose vitamins can turn your pee a bright, almost neon yellow color. The most common culprit is vitamin B2, also known as riboflavin, which is found in most multivitamins. The neon color in pee is just a harmless sign that you're taking more than your body needs, and the excess is mixing with your pee.
Red. This color could be a worrisome sign of many things. Blood in the urine, called hematuria, can be benign, idiopathic or a sign of a kidney stone, infection or tumor in the urinary tract. It may signal a problem with the prostate.
Pigments and other compounds in certain foods and medications can change your urine color. Beets, berries and fava beans are among the foods most likely to affect the color. Many over-the-counter and prescription medications give urine vivid tones, such as red, yellow or greenish blue.
When kidneys are failing, the increased concentration and accumulation of substances in urine lead to a darker color which may be brown, red or purple. The color change is due to abnormal protein or sugar, high levels of red and white blood cells, and high numbers of tube-shaped particles called cellular casts.
If you have diabetes insipidus, you'll continue to pee large amounts of watery (dilute), light-colored urine when normally you'd only pee a small amount of concentrated, dark yellow urine.
Cloudy or milky urine is a sign of a urinary tract infection, which may also cause a bad smell. Milky urine may also be caused by bacteria, crystals, fat, white or red blood cells, or mucus in the urine.
The most optimal color for your urine is a pale yellow. If it is a darker yellow or orange, it can mean you are becoming dehydrated. An orange urine could indicate a serious liver condition. Darker brown can be caused by foods or medication.
Perhaps the most common cause of orange urine is simply not getting enough water. When it's highly concentrated, your urine can vary from dark yellow to orange. The solution is to drink more fluids, especially water. In a matter of hours, your urine should return to a hue between light yellow and clear.
Bright Yellow
Is your pee so yellow it looks like a neon light? Supplements may be the reason. Your pee could turn this color if you take a lot of them, especially vitamin B2, also called riboflavin.
Bright yellow to amber urine may be harmless, but it could be a sign that you're a little dehydrated or taking more vitamins than your body needs. You may want to check with your provider on what vitamins your body doesn't need as much so you can cut back.
Food coloring is the most common cause for blue or green urine. Vitamin B can also turn the urine green. Certain medications like amitriptyline (used for depression or pain), Propofol (sedation and anesthesia during surgery) or indomethacin (an Advil-like pain reliever) can also cause blue/green urine.
You may have too much iron in your water. An excess of iron in your home's water creates rust (iron + oxygen), which means you'll notice orange/brown colors in multiple plumbing fixtures. In severe cases of iron excess, you could have iron bacteria, which live and multiply by oxidizing dissolved iron.
These air bubbles are what give water its milky appearance. All main supplies include a small amount of air, but any additional air can enter the supply due to a break in the pipes. Under the pressure, the air dissolves within the water but when you turn on your tap and release the pressure, the air comes out.
But when you get orange, pink or brown staining, as you often do in toilets, it's because the calcium carbonate is mixed with iron or manganese compounds. Sometimes you see these beige or orangey stains around taps too, but usually it's the toilet.
Can an STD change the color of your urine? Sexually transmitted infections (STIs or STDs) won't typically change the color of your urine. But they could cause other symptoms, such as burning with urination or vaginal discharge. If you have concerns about an STD, ask your healthcare provider about testing.
Dark urine is most commonly due to dehydration. However, it may be an indicator that excess, unusual, or potentially dangerous waste products are circulating in the body. For example, dark brown urine may indicate liver disease due to the presence of bile in the urine.
Pee that smells like ammonia
If you detect a hint of ammonia in your urine, it could be a sign of a urinary tract infection (UTI). The odor suggests that bacteria may be swimming around in your urinary system, most likely in your urethra, kidneys or bladder.
Postmortem, blood cultures grew clostridium perfringens. Black-colored urine and blood samples, sepsis-induced mild methemoglobinemia and acute massive hemolysis should raise concern for Clostridium Perfringens sepsis in the appropriate clinical settings.
“Diabetes starts as a silent disease, advancing painlessly, almost imperceptibly,” says Dr. Ferrer, who sees 25 to 30 diabetic patients per week. “It mainly attacks the small blood vessels, damaging the kidneys, eyes, and nerves.” It can also affect larger blood vessels.
Foamy, frothy or bubbly urine.