What Are the Symptoms of Kidney Stones?

8/22/2026

Understanding Kidney Stones

Kidney stones are hard deposits made of minerals and salts that form inside your kidneys. They occur when your urine contains more crystal-forming substances like calcium, oxalate, and uric acid than the fluid in your urine can dilute. Understanding the symptoms of kidney stones is crucial for timely diagnosis and treatment.

Common Symptoms of Kidney Stones

The symptoms of kidney stones can vary, depending on the size of the stone and its location in the urinary tract. Here are the most commonly reported symptoms:

Pain

Severe pain in the lower back or side: Often described as one of the most intense types of pain, this discomfort is usually sudden and can shift to different areas, particularly the groin and lower abdomen.
Pain during urination: As stones move into the bladder, you might experience pain or a burning sensation when urinating.

Changes in Urination

Frequent urge to urinate: This often happens if the stone is moving into the lower urinary tract.
Reduced urine output or a feeling of incomplete emptying: In some cases, stones can obstruct the flow of urine, leading to difficulty in passing urine.

Blood in Urine

Blood in the urine, known as hematuria, can be a sign of kidney stones. The urine might appear pink, red, or brown.

Nausea and Vomiting

This symptom may occur due to the severe pain or as a result of a blockage in the urinary tract.

Fever and Chills

While less common, fever and chills can indicate an infection in the urinary tract associated with a kidney stone. This requires immediate medical attention.

When to See a Doctor

If you experience any of the symptoms mentioned, it's essential to consult your healthcare provider. Severe pain, blood in urine, or any signs of infection accompany these symptoms, indicating that prompt medical evaluation is necessary.

Preventive Measures and Conclusion

While kidney stones can be incredibly painful, they are often preventable. Drinking plenty of water, reducing salt intake, and eating a balanced diet can help maintain kidney health. According to the National Kidney Foundation, increasing fluid intake could reduce the risk of kidney stone formation by 50%.

Ultimately, being aware of the symptoms allows for early intervention, which can mitigate complications and more severe outcomes. If you suspect you have a kidney stone, reach out to a healthcare professional for advice and recommended screenings.