Can Medications Cause Sudden Prostate Enlargement? - Urology

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Can medications cause prostate enlargement?


Dear Doctor,
My father recently experienced persistent stomach pain and sought treatment in the emergency department.
After medication, he was unable to urinate on his own.
The first attempt at catheterization was successful, but the second attempt failed to insert the catheter.
After a consultation with urology, we were informed that he had a recurrence of benign prostatic hyperplasia (BPH), despite not having any urinary difficulties prior to the emergency visit.
He underwent a transurethral resection of the prostate (TURP) the following morning.

I would like to inquire why there was a sudden recurrence of BPH.
Could it be related to the medication? Thank you for taking the time to respond.

A, 40~49 year old female. Ask Date: 2021/11/19

Dr. Du Shixi reply Urology


Hello: Some medications can affect urination, such as certain cold medications, which may impact urination in some individuals, although the incidence is relatively low and varies from person to person.
In men over the age of 50, a significant proportion may have issues with benign prostatic hyperplasia (BPH).
While urination may be manageable under normal circumstances, changes in overall health can affect urination.
As for the inability to insert a urinary catheter, this likely indicates a significant urethral issue that needs to be addressed.
Otherwise, the inability to urinate can cause considerable discomfort for the patient, and urinary retention can have serious health implications.
Wishing you good health.

Reply Date: 2021/11/19

More Info


Sudden prostate enlargement, also known as acute urinary retention due to benign prostatic hyperplasia (BPH), can indeed be influenced by various factors, including medications. In your father's case, the rapid onset of urinary retention following medication for gastric pain raises valid concerns about the potential role of those medications in exacerbating his prostate condition.

Medications can affect prostate size and function in several ways. For example, certain medications, particularly those that have anticholinergic properties, can lead to urinary retention by inhibiting bladder contractions. This can be particularly problematic for individuals with pre-existing prostate issues, as the combination of reduced bladder activity and an enlarged prostate can lead to acute urinary retention. Common medications that may have such effects include antihistamines, some antidepressants, and medications used to treat gastrointestinal disorders.

Additionally, medications that influence hormone levels can also impact prostate size. For instance, testosterone replacement therapy or medications that alter estrogen levels can lead to changes in prostate tissue. While your father's situation does not explicitly mention hormone therapy, it is important to consider the broader category of medications that might have hormonal effects.

In the context of your father's sudden urinary retention, it is also essential to consider other factors that could contribute to acute prostate enlargement. For example, dehydration, urinary tract infections, or even stress can exacerbate prostate issues. The acute nature of the symptoms suggests that there may have been a precipitating factor, such as a sudden change in medication or a new health issue that coincided with the onset of his symptoms.

Given that your father underwent a prostate resection, it is crucial to monitor his recovery closely. Post-operative complications can also lead to urinary retention, and the medical team will likely assess his urinary function regularly to ensure that he is recovering appropriately.
In conclusion, while medications can indeed contribute to sudden prostate enlargement and urinary retention, it is essential to consider a comprehensive view of your father's health, including his medication history, any recent changes in his health status, and other potential contributing factors. If there are ongoing concerns about his medications or prostate health, it would be advisable to discuss these with his healthcare provider. They can provide tailored advice based on his specific medical history and current condition, ensuring that any necessary adjustments to his treatment plan are made to prevent future complications.

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