Morning Urine Color Changes: What Does Red Mean? - Urology

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The first urine in the morning is light red?


Hello doctor, recently I've noticed that the color of my urine in the morning is a bit reddish, but it returns to normal after a short while.
What could be the issue?

Han, 20~29 year old female. Ask Date: 2016/04/03

Dr. Li Xinyi reply Urology


If there is indeed hematuria, it is recommended to see a urologist for an examination.

Reply Date: 2016/04/03

More Info


The color of urine can vary significantly based on a multitude of factors, including hydration levels, diet, medications, and underlying health conditions. When you notice a change in the color of your urine, especially if it appears red or reddish in the morning, it can understandably cause concern.
In your case, experiencing reddish urine in the morning that later returns to normal can be indicative of several potential issues. One of the most common causes of red or pink urine is the presence of blood, a condition known as hematuria. Blood in the urine can arise from various sources, including urinary tract infections (UTIs), kidney stones, or even more serious conditions such as tumors or kidney disease. However, it is essential to note that not all red urine is due to blood; certain foods, such as beets or berries, and medications can also cause urine to take on a reddish hue.

If the reddish color is transient and resolves quickly, it may not be a cause for alarm, especially if there are no accompanying symptoms such as pain, burning during urination, or changes in urinary frequency. However, it is crucial to monitor the situation closely. If you notice persistent changes in urine color, especially if it continues to appear red or if you experience any discomfort, it is advisable to seek medical attention. A healthcare professional can perform a urinalysis to check for the presence of blood, protein, or other abnormalities that may indicate an underlying issue.

In addition to hematuria, other factors that can lead to changes in urine color include dehydration, which can concentrate urine and make it appear darker, and certain dietary choices. For example, consuming foods high in pigments can temporarily alter urine color. If you have recently eaten foods like beets or taken supplements that might affect urine color, this could explain the change.

It is also worth considering other lifestyle factors that may contribute to changes in urine color. For instance, if you have been more physically active than usual or have experienced a change in your hydration habits, these factors can influence urine concentration and color.
In summary, while occasional changes in urine color can be benign, persistent or concerning changes warrant further investigation. If you experience red urine consistently or have any other symptoms, it is essential to consult with a healthcare provider. They can conduct the necessary tests to determine the cause and recommend appropriate treatment if needed. Remember, early detection and intervention are key to managing any potential health issues effectively.

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