Brown Discharge in Infants: Causes and Concerns - Pediatrics

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Inquiry about urethral discharge in infants?


A 5-month-old male infant has occasionally (not every time, but sporadically) had thick, tea-brown discharge adhering to the glans when the diaper is opened over the past month.
We have visited a clinic, and it was suggested that it might be a urinary tract infection; however, the child has not had a fever, and he does not seem to cry or fuss during urination.
We applied antibiotic ointment, but there has not been significant improvement.
I would like to ask the doctor if there could be other potential issues.
Thank you!

Mr. Yan, 0~9 year old female. Ask Date: 2023/12/03

Dr. Xiao Kaiwen reply Pediatrics


The presence of discharge from an infant's glans requires ruling out a urinary tract infection (UTI).
Infants with UTIs may not necessarily exhibit fever or cry during urination.
UTIs require treatment with oral or injectable antibiotics; simply applying topical antibiotics is not very effective.
To diagnose a UTI, a urine sample must be collected for analysis.
It is recommended to visit a hospital for urine-related tests.

Reply Date: 2023/12/03

More Info


When it comes to understanding brown discharge in infants, particularly in a 5-month-old male baby, there are several factors to consider. The presence of brown, thick discharge around the glans (the head of the penis) can be concerning for parents, and it’s important to explore the potential causes and implications.

First, it’s essential to understand that brown discharge can be indicative of several conditions. In infants, one common cause could be related to smegma, which is a natural substance that can accumulate under the foreskin in uncircumcised males. Smegma is composed of dead skin cells, oils, and other bodily secretions. It can appear as a whitish or brownish discharge and is generally harmless. However, if it becomes excessive or is associated with irritation, it may require cleaning and proper hygiene practices.

Another potential cause of brown discharge could be a urinary tract infection (UTI). Although you mentioned that the child does not exhibit symptoms such as fever or crying during urination, it is still possible for a UTI to be present without overt symptoms. UTIs in infants can sometimes present with non-specific signs, and the discharge could be a result of irritation or inflammation in the urinary tract. If a UTI is suspected, further evaluation through urinalysis or urine culture may be warranted to confirm the diagnosis.

Additionally, brown discharge could also be a sign of bleeding or bruising, which might occur due to trauma or irritation in the genital area. This could happen from vigorous cleaning, friction from diapers, or even an allergic reaction to diaper materials or wipes. If there is any concern about trauma or if the discharge is accompanied by other symptoms such as swelling, redness, or discomfort, it is crucial to consult a pediatrician for a thorough examination.

Given that the antibiotic ointment did not lead to improvement, it may be beneficial to revisit the pediatrician or a pediatric urologist for a more comprehensive evaluation. They may recommend further tests, such as a urine analysis, to rule out infections or other underlying conditions. It’s also important to ensure that the area is kept clean and dry, as moisture can exacerbate irritation.

In summary, while brown discharge in a 5-month-old male infant can be concerning, it is essential to consider various potential causes, including smegma, urinary tract infections, or irritation from trauma or allergies. If symptoms persist or worsen, or if there are any additional concerns, seeking further medical advice is crucial to ensure the health and well-being of the child. Regular check-ups and open communication with healthcare providers can help address any ongoing issues and provide peace of mind for parents.

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