Unusual Urine Odor After Eating: Is It a Sign of Diabetes? - Urology

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Possible unusual odor in urine?


Hello, I would like to ask, after I eat cookies, I often notice that my urine has a cookie-like smell.
Could this be a symptom of diabetes? Or are there other conditions related to this symptom? Thank you.

Chen You-ning, 20~29 year old female. Ask Date: 2002/11/22

Dr. Liu Jianting reply Urology


That's amazing!!! Tell me which type of cookie...
will there still be any after brushing your teeth? Diabetes patients definitely don't have this kind of experience...
If you're concerned, please consult a urologist for an examination.

Reply Date: 2002/11/22

More Info


When it comes to unusual urine odor, particularly after consuming certain foods like cookies, it's important to understand that this symptom can arise from various factors, and it does not necessarily indicate diabetes. However, it can be a sign of other underlying conditions or dietary influences.

Firstly, the odor of urine can be influenced by the foods we eat. For instance, certain foods, such as asparagus, coffee, and yes, even cookies, can impart a distinct smell to urine due to their specific compounds. Cookies often contain sugar, artificial flavors, and preservatives, which can alter the smell of urine temporarily. If you notice a sweet or sugary smell after eating cookies, it may simply be a result of the ingredients in those cookies rather than a sign of diabetes.

Diabetes, particularly uncontrolled diabetes, can lead to a sweet or fruity odor in urine due to the presence of excess glucose. When blood sugar levels are high, the kidneys may excrete excess glucose into the urine, which can lead to a sweet smell. However, this is usually accompanied by other symptoms such as increased thirst, frequent urination, fatigue, and unexplained weight loss. If you are not experiencing these additional symptoms, it is less likely that your urine odor is related to diabetes.

Another condition to consider is a urinary tract infection (UTI), which can also cause changes in urine odor. UTIs may lead to foul-smelling urine, and they can be accompanied by other symptoms such as burning during urination, frequent urges to urinate, and cloudy urine. If you suspect a UTI, it is important to seek medical attention for appropriate diagnosis and treatment.

Additionally, certain metabolic disorders can affect urine odor. For example, phenylketonuria (PKU) is a genetic disorder that can lead to a musty or "mousy" odor in urine due to the inability to metabolize phenylalanine. However, such conditions are rare and usually diagnosed in infancy.

If you are concerned about the odor of your urine, especially if it persists or is accompanied by other symptoms, it is advisable to consult a healthcare professional. They may recommend a urinalysis to check for any abnormalities, including the presence of glucose, ketones, or signs of infection.

In summary, while unusual urine odor can be a symptom of various conditions, it is not a definitive sign of diabetes on its own. Dietary choices, hydration levels, and potential infections can all play a role in urine odor. If you have concerns about your health or notice other symptoms, it is best to seek medical advice for a thorough evaluation. Maintaining a balanced diet, staying hydrated, and monitoring any changes in your body can help you manage your health effectively.

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