Urination Issues: What to Know About Urethral Contractions - Urology

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Urinary problems


Hello, doctor.
Recently, for the past day or two, I've noticed that during urination, everything seems normal at the beginning, but at the moment I finish urinating, it feels like there is a sudden intense contraction at the urethral opening.
Although it is not painful, I have the sensation that 1 or 2 drops of urine have not been fully expelled.
Is this normal?

Niming, 10~19 year old female. Ask Date: 2016/08/12

Dr. Sun Hongshun reply Urology


Hello, your symptoms may indicate a urinary tract infection or kidney stones.
Please visit a urology clinic as soon as possible for evaluation.

Reply Date: 2016/08/12

More Info


When it comes to understanding urethral contractions and their implications for urination, it’s important to consider several factors that could contribute to the sensations you are experiencing. The feeling of a sudden contraction at the urethral opening after urination, accompanied by the sensation of incomplete emptying, can be concerning but may not always indicate a serious underlying issue.

Firstly, the urethra is a muscular tube that carries urine from the bladder to the outside of the body. The muscles surrounding the urethra can contract for various reasons, including the normal physiological response to the completion of urination. This contraction can sometimes lead to the sensation of a few drops of urine remaining in the urethra, even if the bladder is empty. This is often referred to as "post-void dribbling" and can be a common occurrence, especially in men, due to the anatomy of the male urethra and the prostate gland's influence on urinary function.

In your case, since you mentioned that the sensation is not painful, it could be a benign phenomenon. However, if this sensation persists or is accompanied by other symptoms such as pain, burning during urination, increased frequency, or urgency, it may warrant further investigation. Conditions such as urinary tract infections (UTIs), prostatitis, or bladder dysfunction can lead to similar symptoms and should be ruled out.

Moreover, medications can also influence urinary function. For instance, certain medications used to treat urinary issues, such as Urief (which is often prescribed for overactive bladder), can lead to changes in how the bladder and urethra function. While Urief is designed to help with urinary urgency and frequency, it can sometimes cause side effects that may include changes in the sensation of urination or even retrograde ejaculation, as noted in previous discussions.

If you are experiencing this sensation frequently or if it is causing you distress, it would be advisable to consult with a urologist. They can perform a thorough evaluation, which may include a physical examination, urinalysis, and possibly imaging studies to assess the bladder and urethra's function. They may also inquire about your medical history, current medications, and any other symptoms you may have to determine the best course of action.

In summary, while the sensation of urethral contractions and the feeling of incomplete urination can be normal, especially in the absence of pain, it is essential to monitor your symptoms. Should they change or worsen, seeking medical advice is crucial to rule out any underlying conditions and to ensure that you receive appropriate treatment. Remember, maintaining open communication with your healthcare provider about any changes in your urinary habits is key to managing your health effectively.

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