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Doctor insights on: My Urine Is Bright Yellow Does Yellow Food Dye Cause Yellow Urine

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Urine (Definition)

Urine is the product of the kidneys, which is produced to eliminate the waste products of metabolism, manage body fluid balance, &maintain acid-base balance. The blood is first filtered by the kidneys, and the composition of the resulting fluid is then altered depending on the body's needs. It is composed of mostly water, and breakdown products from blood cells impart ...Read more


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My urine is bright yellow but i don't take vitamins, cause?

My urine is bright yellow but i don't take vitamins, cause?

Normal variation: The color of one's urine is a reflection of one's state of hydration and how one's body uses water. The more hydrated one is, the clearer the color and the greater the urinary frequency. On the other hand, darker yellow urine is associated with dehydration and less urinary frequency. Vitamin b2 (riboflavin), present in most multivitamins, is what imparts a more colorful yellow/orange urine. ...Read more

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What would cause my urine to be bright yellow, and smell really salty?

What would cause my urine to be bright yellow, and smell really salty?

Probably several: But, one easy thing to try is to drink lots of water (8+ 8oz glasses per day) for a day or two. If this clears it - you might not have a problem other than being dehydrated. But, if it is still not right - see your doctor for an exam and lab work. Being pregnant makes it even more important to be checked and your body may be a sensitive one too. If water isn't enough, see the doctor. Best wishes! ...Read more

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Does supplemental fiber cause bright yellow urine?

Does supplemental fiber cause bright yellow urine?

Not necessarily: The fiber itself wouldn't but if the product you are using has dyes added into it those might. ...Read more

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What medicines cause urine tobe bright yellow ?

What medicines cause urine tobe bright yellow ?

Various: Concentrated urine can be yellow, also some dyes in vitamins and other pills can turn the urine yellow. ...Read more

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Do vitamins b, c and magnesium cause yellowish brown stool and bright yellow urine?

Do vitamins b, c and magnesium cause yellowish brown stool and bright yellow urine?

B-Vitamins: B vitamins can cause bright yellow urine, check with your doctor if you are concerned. Not familiar with these vitamins and magnesium causiing yellowish stool. Best wishes. ...Read more

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Why is the urine of patients with diabetes mellitus bright (almost neon) yellow? Also, what causes the pH spike with diabetes insipidus?

Why is the urine of patients with diabetes mellitus bright (almost neon) yellow? Also, what causes the pH spike with diabetes insipidus?

Dehydration, fillers: Bright urine most often comes from dehydration (too little fluid or excess loss of fluids), often seen in diabetes. It can also come from the fillers and buffers in pills, including vitamins. pH spiking is alkalosis or excessively alkaline state from abnormal fluid and electrolyte dynamics. See your PCP or Endocrinologist for electrolyte lab work, and more info and discussion. ...Read more

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My urine is bright neon yellow (not goldish at all), but I'm not taking any vitamins or medications other than birth control. What could be the cause?

My urine is bright neon yellow (not goldish at all), but I'm not taking any vitamins or medications other than birth control. What could be the cause?

Urine Color: The color of your urine can be changed by dyes in foods, medications, drinks, disease and by ingesting dyes. If you changed the brand of BCP or the generic version it could cause this. The urinary tract medicine pyridium (phenazopyridine) is a common cause as well. Liver disease can cause this as well. If you have any yellowing of the whites of your eyes or this does not resolve seek medical care ...Read more

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Hello have tonsillitis and have been put on penicillin two tablets four times daily without food, my urine is a florecent. Yellow is this normal?

Hello have tonsillitis and have been put on penicillin two tablets four times daily without food, my urine is a florecent. Yellow is this normal?

Don't worry: You might even smell the antibiotic in your urine. The color is usually related to your level of hydration. The clearer the better. If you are fighting an infection it is best to drink lots and lots of fluids. You will be helping your body fight the infection and you will feel better. Most people are somewhat dehydrated normally. When sick, they tend to drink less, and this makes things worse. ...Read more

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I am taking amoxicillin. My urine is bright yellow. Is it from medication?

I am taking amoxicillin. My urine is bright yellow. Is it from medication?

Urine: I have never heard of amoxicillin causing this side effect. Generally, bright yellow urine is indicative of concentration secondary to a lack of water. Be sure to keep yourself hydrated. ...Read more

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My period is 4 days late, i'm having period cramps and my urine is bright yellow. Any advice?

My period is 4 days late, i'm having period cramps and my urine is bright yellow. Any advice?

If unprotected: and having sexual intercourse, I suggest a home pregnancy test. If cramping and/or heavy bleeding I suggest using Aleve, (naproxen) if not allergic to NDSAIDS until you can be seen by your GYN. ...Read more

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I have strep throat & started taking amoxicillin yesterday its twice a day @ 875mg. I noticed today that my urine is bright yellow almost orange color?

I have strep throat & started taking amoxicillin yesterday its twice a day @ 875mg. I noticed today that my urine is bright yellow almost orange color?

Vitamin overdose: You might also be taking some vitamin supplements? Particularly B-vitamins? I don't actually recommend vitamin supplements unless you have a 'real' reason to take them. I don't think the Augmentin (amoxicillin and clavulanate) is at fault here-but it's quite possible you're dehydrated from your illness. I would drink as much fluid as you can: thin soups, ginger tea, lemonade, coconut water etc to support your body through this ...Read more

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What causes dark yellow urine?

What causes dark yellow urine?

Here are some...: Discerning urine color can be very subjective; so, get a formal urinalysis with a properly collected fresh urine specimen to confirm your concern about dark yellow urine which may related with dehydration or certain disorders in liver or red blood cells or certain drugs like pyridium, (phenazopyridine) etc. If related with dehydration, in fact, dark yellow urine indicates you have good kidneys to concentrate urine ...Read more

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What does it mean when urine appears very bright, almost neon yellow?

What does it mean when urine appears very bright, almost neon yellow?

Not much: The urine color typically reflects its concentration and contents. As long as there are no other symptoms, it isn't a big deal. The more concentrated the urine...The more yellow(typically). This is why urine is almost clear after hitting the bottle too hard as it really dilutes the urine. ...Read more

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I can see pus in my urine. What could cause this? Also urine is a dark yellow.

I can see pus in my urine. What could cause this? Also urine is a dark yellow.

Infection: It is definitely not normal to see pus in your urine. In a woman, pus in your urine could be coming from your bladder or from your vaginal. Pus in urine most likely a sign of infection. If you have burning when you urinate or are feeling the need to urinate more frequently then it is more likely that you have a urinary tract infection. Otherwise, it could be due to a STD. ...Read more

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Dr. Heidi Fowler
3,491 doctors shared insights

Nutrition (Definition)

Nutrition is the synergistic combination of nutrients found in food and water that allows the human body to perform all essential ...Read more