Low Urine Output: Causes and Health Implications - Urology

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Not drinking enough water?


Hello, doctor.
I would like to ask you about a situation I often experience.
Sometimes, throughout the day, I don't drink much water, so I urinate very little.
However, around 9 or 10 PM, I consistently feel the urge to urinate, but when I go to the bathroom, I only urinate a small amount.
When I have this sensation, I usually drink unsweetened green tea from 7-11, and after drinking more, I tend to urinate more, and that feeling gradually disappears.
Could this be a sign of urinary tract inflammation, or is there something else going on?
Additionally, I frequently engage in sexual activity with my girlfriend, or I often handle things myself, almost daily.
Could this have any effects on my body or lead to any adverse consequences?

Ya Ding, 20~29 year old female. Ask Date: 2007/09/09

Dr. Lai Ronghao reply Urology


Hello: If you drink less water, your urine output will decrease.
It is recommended that you increase your water intake.
If you have any concerns, you may visit a urology clinic for an examination.
Masturbation is a normal phenomenon, so there is no need to worry excessively.

Reply Date: 2007/09/09

More Info


Low urine output, or oliguria, can be a concerning symptom that may indicate underlying health issues. It is important to understand the potential causes and implications of this condition, especially in the context of your experiences with hydration and urinary frequency.

Firstly, the amount of urine produced is closely related to fluid intake. If you are not drinking enough water throughout the day, it is natural for your urine output to decrease. The kidneys regulate fluid balance in the body, concentrating urine when fluid intake is low to conserve water. This can lead to feelings of urgency or the sensation of needing to urinate, even when the actual volume of urine is low. The fact that you experience increased urgency in the evening, followed by a small output, suggests that your body may be signaling a need for hydration.

Drinking fluids, such as unsweetened green tea, can help increase urine output, as you have noticed. However, if you consistently find yourself feeling the need to urinate frequently with little output, it may be worth investigating further. While this does not necessarily indicate a urinary tract infection (UTI), it could be a sign of other issues, such as bladder irritation or even early signs of a UTI. UTIs often present with symptoms such as burning during urination, frequent urges to urinate, and cloudy or foul-smelling urine. If you are not experiencing these symptoms, it may be less likely that you have a UTI.

Regarding your sexual activity, engaging in frequent sexual intercourse or masturbation is generally considered safe for most individuals. However, it is essential to practice safe sex to reduce the risk of sexually transmitted infections (STIs) and urinary tract infections. Frequent sexual activity can sometimes lead to irritation of the urethra, especially if proper lubrication is not used, which may contribute to feelings of urgency or discomfort. Additionally, if you notice any changes in your urinary habits, such as increased frequency, urgency, or discomfort, it is advisable to consult a healthcare professional.

In terms of potential long-term effects on your health, regular sexual activity is typically beneficial for physical and emotional well-being. However, it is important to maintain a balance and ensure that it does not lead to physical discomfort or emotional stress. If you have concerns about your sexual health or urinary symptoms, it may be helpful to discuss these with a healthcare provider who can offer personalized advice based on your medical history and lifestyle.

In summary, low urine output can be influenced by hydration levels, and while it may not necessarily indicate a serious issue, it is essential to monitor your symptoms. If you experience persistent changes in urinary habits or discomfort, seeking medical advice is recommended. Maintaining adequate hydration, practicing safe sex, and being attentive to your body’s signals are key components of overall health.

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