Dark Yellow Urine in Infants: When to Seek Medical Advice - Pediatrics

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The urine is yellow?


My child is now over 7 months old, but his urine has always been very yellow, has a strong odor, and the volume is quite low.
Even with increased water intake, there has been no improvement.
Should I consider having him checked? Thank you for your response!

sheng, 30~39 year old female. Ask Date: 2007/07/31

Dr. He Shenglong reply Pediatrics


Hello: Urine is naturally yellow and has a characteristic odor.
If the volume is low, the concentration of these characteristics will be more pronounced.
Please increase your fluid intake; water, fruit juice, or vegetable juice are all good options, which should help alleviate the concentration.
Based on the information provided, you may continue to monitor the situation.
If you have further concerns, please consult a physician for evaluation or testing to determine if there is an underlying condition causing oliguria or even edema.
Thank you for your message!

Reply Date: 2007/07/31

More Info


When it comes to the observation of dark yellow urine in infants, particularly in a 7-month-old child, there are several important factors to consider. Dark yellow urine can often be a sign of dehydration, concentrated urine, or, in some cases, an underlying medical condition. Given your description of your child's urine being not only dark yellow but also having a strong odor and being produced in small quantities, it is advisable to seek medical advice.

Firstly, it's essential to understand that urine color can vary based on hydration levels. In infants, urine should typically be light yellow to clear if they are well-hydrated. Dark yellow urine can indicate that the child is not drinking enough fluids, which can lead to dehydration. Dehydration in infants can be serious, as they are more susceptible to fluid imbalances than older children or adults. Signs of dehydration can include dry mouth, fewer wet diapers (less than six in 24 hours), lethargy, and irritability.

In your case, since you mentioned that increasing water intake has not improved the situation, it raises a concern. Infants at this age should be consuming a balanced diet that includes breast milk or formula, and if they have started on solids, they should also be getting adequate fluids from those sources. If your child is primarily on formula or breast milk, ensure that they are receiving enough of it, as this can also affect urine concentration.

The strong odor of the urine can also be indicative of several factors. It could be due to dietary influences, such as the introduction of certain solid foods, or it could suggest a urinary tract infection (UTI), especially if accompanied by other symptoms such as fever, irritability, or changes in behavior. UTIs in infants can present with non-specific symptoms, and the presence of a strong odor may be one of the few indicators.

Given these observations, it is crucial to consult with your pediatrician. They may recommend a urinalysis to check for signs of infection, dehydration, or other underlying issues. This test can provide valuable information about the presence of white blood cells, bacteria, or other abnormalities in the urine that could indicate a UTI or other conditions.

In summary, while dark yellow urine in infants can sometimes be benign, the combination of dark color, strong odor, and low volume warrants further investigation. It is always better to err on the side of caution when it comes to the health of your child. Your pediatrician will be able to provide the necessary guidance and determine if any tests or treatments are required to ensure your child's well-being. Remember, early intervention can often lead to better outcomes, so don't hesitate to reach out for professional advice.

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