Does Your Pee Smell Funny? This Might Be Why

No one would ever describe the odor of urine as “pleasant,” but there are times when the aroma might be unusually offensive. Maybe you just ate a lot of asparagus for dinner last night, or maybe it’s a symptom of an underlying health concern. How can you tell the difference? We’ve compiled a list of common reasons why your pee might smell funny to help you decide whether you should just drink more water or schedule an appointment with your doctor.

1. Asparagus

You may notice that your pee smells different the day after you’ve eaten asparagus. This is a harmless side effect of the breakdown of asparagusic acid, as sulfur-containing metabolites are released and excreted. Onions, garlic, curry, salmon, Brussels sprouts, and broccoli can also temporarily change the odor of urine. If it doesn’t bother you, you probably have a genetic variation called asparagus anosmia that protects you from the stinky smells of metabolites.1

water glasses

2. Dehydration

Urination is a waste-removal process, and that waste includes ammonia. When you haven’t been drinking a lot of water, your pee won’t be as diluted and the ammonia will smell more potent. Dehydration isn’t a health concern per se, but chronic dehydration can lead to kidney stones and urinary tract infections. Fill up your water bottle ASAP!

3. UTIs

Speaking of urinary tract infections, these occur when bacteria builds up in the urinary tract and produces a foul odor. Other symptoms of UTIs include cloudy urine, more frequent urination, fever, and pain while peeing. They’re easily treated with antibiotics, but you’ll need to check in with your doctor to get a prescription.

4. Kidney stones

Also a cause of painful urination, kidney stones form when compounds in urine crystallize in the kidneys. They may include sulfur-containing compounds like cystine and can cause buildups of salt and ammonia by slowing the flow of urine. You may also experience back or side pain, fever, vomiting, and bloody pee. This is another condition you’ll want to see your doctor for.

5. Diabetes

High blood sugar, left untreated, will cause a buildup of ketones. These chemicals can make your pee smell oddly sweet or fruity. You’ll also likely experience additional symptoms like vomiting, shortness of breath, and confusion. Contact your doctor immediately if you have these signs of ketonuria.

maple syrup

6. MSUD, Tyrosinemia, or Trimethylaminuria

Did you know there’s a medical condition called Maple Syrup Urine Disease? (We didn’t either, don’t feel bad.) MSUD, tyrosinemia, and trimethylaminuria are all genetic conditions that prevent the breakdown of certain amino acids, resulting in their excretion through the urinary tract. MSUD and trimethylaminuria have no cure, but are harmless beyond their potential to cause embarrassment. Avoiding foods that contain compounds like choline and lecithin can help reduce odors, and other treatments like intravenous amino acid administration can ensure proper nourishment in infants. Tyrosinemia, which can cause liver disease or failure, can be treated with a low-protein diet and the administration of the drug Nitisinone.2

7. Vitamins and medications

Taking too many vitamins might not cause any harm, but your body will flush out excess water-soluble vitamins through your urinary tract. Overdoing the vitamin B1 can result in a fishy odor, and too much B2 or B12 may turn your pee a shade of yellow so bright it looks greenish. Some medications – including, funny enough, antibiotics used to treat UTIs and some medicines for diabetes – can also amplify the aroma of urine in unpleasant ways. Ask your doctor’s advice to create a vitamin supplementation routine that works for you without upsetting your body chemistry, and consult a medical professional if the smelly side effects of your medication are bothering you.

8. Holding it too long

Yep, just waiting a long time to go can strengthen the stench. If it’s not a common occurrence, it shouldn’t be a big deal, but don’t make a habit of putting yourself in a position where a restroom isn’t easily accessible. Waiting too long to empty your bladder can put you at greater risk of developing a UTI.

While unpleasant and occasionally awkward, smelly pee happens to all of us at some point in our lives. Most of the time it’s not a sign of a deeper issue, as long as it’s not accompanied by pain, blood, fever, or other concerning side effects. If the smell persists and you don’t know why, talk to your doctor about the foods you’re eating and the supplements and medications you’re taking. 

sliced fresh ginger

Control-X contains Chinese herbs like Asian ginseng, ginger, and astragalus. It’s carefully formulated to nourish the liver and kidneys to encourage proper urinary function, healthy circulation, better endurance, and improved cognitive function and memory.* RenalHealth combines herbal ingredients with antioxidants to promote the elimination of waste, the reduction of water retention, and cardiovascular system support.* This doctor-recommended formula can help to relieve bloating and enhance vitality.* Prostata Advanced provides clinically proven prostate health support for men. Rich in phytonutrients and vitamin A, Prostata Advanced also contains saw palmetto, stinging nettle, and lycopene to promote testosterone level elevation, healthy inflammation responses to alleviate prostate discomfort, and the health of cells for overall wellness.*

All of our US Doctors’ Clinical supplements carry a 60-day money-back guarantee, so you can try them confidently! It’s our mission to provide high-quality formulations that deliver real results and help you achieve your health and vitality goals.

*These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.



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