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Published on: 2/28/2026

Is it Kidney Stone Symptoms? Why Your Body is Hurting & Medically-Approved Next Steps

Sudden, severe pain in your side or lower back that can radiate to the groin, plus painful or frequent urination and blood in the urine, often points to kidney stones; nausea or vomiting may occur, and fever or chills with these symptoms signals an emergency.

Next steps include urgent care if you have fever, uncontrollable pain, persistent vomiting, or trouble urinating; otherwise increase fluids if you can keep them down, use appropriate pain relief, and see a clinician for tests and imaging to confirm and guide treatment. There are several factors to consider for your specific case; see below for complete details that could change which next steps are safest.

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Explanation

Is It Kidney Stone Symptoms? Why Your Body Is Hurting & Medically-Approved Next Steps

If you're dealing with sudden, intense pain—especially in your lower back, side, or abdomen—you may be wondering: Are these kidney stone symptoms?

Kidney stones (also called nephrolithiasis) are common and can be extremely painful. But they are also very treatable. Understanding the symptoms, what causes them, and what to do next can help you respond calmly and appropriately.

Let's break it down clearly and medically.


What Are Kidney Stones?

Kidney stones are hard deposits made of minerals and salts that form inside your kidneys. They develop when your urine becomes concentrated, allowing minerals to crystallize and stick together.

Kidney stones can:

  • Stay in the kidney without causing symptoms
  • Move into the ureter (the tube connecting kidney to bladder)
  • Block urine flow and cause severe pain

It's often when a stone begins to move or block urine flow that kidney stone symptoms appear.


Common Kidney Stone Symptoms

Symptoms vary depending on the size and location of the stone. Some stones are small and pass without much trouble. Others cause intense discomfort.

Here are the most common kidney stone symptoms:

1. Severe Side or Back Pain (Renal Colic)

This is the hallmark symptom.

  • Sudden, intense pain in the side (flank), lower back, or abdomen
  • Pain that may radiate to the groin
  • Pain that comes in waves
  • Difficulty finding a comfortable position

People often describe it as one of the worst pains they've ever experienced.

2. Painful Urination

If the stone moves closer to the bladder, you may notice:

  • Burning during urination
  • Increased urgency
  • Frequent urination

This can sometimes be mistaken for a urinary tract infection (UTI).

3. Blood in the Urine (Hematuria)

Kidney stones can irritate the lining of the urinary tract, leading to:

  • Pink, red, or brown urine
  • Cloudy urine

Even small amounts of blood should be evaluated.

4. Nausea and Vomiting

The kidneys and digestive system share nerve pathways. Severe kidney stone pain can trigger:

  • Nausea
  • Vomiting
  • General stomach discomfort

5. Fever and Chills (Emergency Warning)

If you experience:

  • Fever
  • Chills
  • Sweating

along with kidney stone symptoms, this could signal an infection. This is a medical emergency and requires immediate care.


Why Kidney Stone Symptoms Hurt So Much

The pain comes from:

  • A stone blocking urine flow
  • Increased pressure in the kidney
  • Muscle spasms in the ureter

The ureter tries to push the stone out, which causes intense, wave-like pain. This explains why symptoms can feel sudden and severe.


Risk Factors for Kidney Stones

Certain factors increase your risk:

  • Not drinking enough water
  • High salt intake
  • High animal protein intake
  • Obesity
  • Family history of kidney stones
  • Certain medical conditions (like gout or hyperparathyroidism)
  • Recurrent urinary tract infections

If you've had one kidney stone, your risk of another increases.


When It Might Not Be Kidney Stone Symptoms

Several other conditions can mimic kidney stone symptoms, including:

  • Urinary tract infection (UTI)
  • Appendicitis
  • Gallstones
  • Muscle strain
  • Ovarian cysts
  • Diverticulitis

That's why proper evaluation is important. Not all back or abdominal pain is caused by kidney stones.


Medically-Approved Next Steps

If you suspect kidney stone symptoms, here's what to do.

1. Assess the Severity

Seek immediate medical care if you have:

  • Fever or chills
  • Uncontrolled pain
  • Persistent vomiting
  • Difficulty urinating
  • Severe weakness or confusion

These could signal complications that require urgent treatment.

2. Consider a Symptom Check

If your symptoms are uncomfortable but not life-threatening, you can use a free AI-powered Nephrolithiasis (Kidney Stones) symptom checker to quickly assess whether what you're experiencing matches kidney stone patterns and determine the appropriate level of care you should seek.

Online tools are not a diagnosis—but they can help you make informed decisions about next steps.

3. Increase Fluid Intake (If Safe)

If you're stable and not vomiting:

  • Drink water consistently
  • Aim for clear or pale yellow urine

Hydration can help small stones pass naturally.

However, if pain is severe or you cannot keep fluids down, seek medical care instead of trying to manage it alone.

4. Pain Management

Doctors may recommend:

  • Nonsteroidal anti-inflammatory drugs (NSAIDs)
  • Prescription pain medication
  • Alpha-blockers to help relax the ureter

Do not exceed recommended doses of over-the-counter medications.

5. Medical Evaluation

A doctor may perform:

  • Urinalysis
  • Blood tests
  • CT scan or ultrasound

These tests confirm whether you have kidney stones and determine their size and location.

Treatment depends on the size:

  • Small stones (under 5 mm): Often pass on their own
  • Medium stones: May need medication to help pass
  • Large stones: May require procedures such as shock wave lithotripsy or minimally invasive surgery

How Long Do Kidney Stone Symptoms Last?

It depends on:

  • Stone size
  • Stone location
  • Your anatomy

Small stones may pass in a few days. Larger ones can take weeks—or may require intervention.

Pain often comes and goes in waves rather than staying constant.


Can Kidney Stones Be Prevented?

Yes, prevention is possible and important.

General prevention tips include:

  • Drink enough water to produce 2–2.5 liters of urine daily
  • Limit sodium intake
  • Moderate animal protein consumption
  • Maintain a healthy weight
  • Follow specific dietary advice based on stone type

If you've had a kidney stone, your doctor may analyze it to determine the exact type (calcium oxalate, uric acid, etc.) and tailor prevention strategies.


When to Speak to a Doctor

You should speak to a doctor if:

  • You suspect kidney stone symptoms
  • Pain is severe or persistent
  • You see blood in your urine
  • You have repeated urinary issues
  • Symptoms return

You should seek urgent medical attention immediately if:

  • You have fever and chills
  • You cannot urinate
  • You have uncontrollable pain
  • You feel faint or severely weak

Kidney stones are common and treatable—but complications can become serious if ignored.


Final Thoughts

Kidney stone symptoms are often unmistakable once they start—especially the sudden, severe flank pain that radiates toward the groin. While not every case is dangerous, some require urgent care.

The key is to:

  • Recognize the symptoms
  • Assess severity
  • Use reliable tools like a symptom check for Nephrolithiasis (Kidney Stones)
  • Speak to a doctor for proper evaluation

Most kidney stones can be treated effectively. With the right steps, you can manage the pain, prevent complications, and reduce the risk of future stones.

If anything feels severe, worsening, or unusual—don't wait. Speak to a doctor promptly. Your health and safety come first.

(References)

  • * Russo, M., Cindolo, L., Cestari, A., & Cindolo, L. (2022). Clinical presentation of acute flank pain: a narrative review. *Minerva Urology and Nephrology*, *74*(5), 551-561.

  • * Kamal, N. (2022). Renal Colic: Pathophysiology, Diagnosis, and Treatment. *The Journal of Emergency Medicine*, *62*(3), e275-e283.

  • * Clements, T., & Saarela, K. (2022). Acute Renal Colic: An Emergency Department Perspective. *Emergency Medicine Clinics of North America*, *40*(3), 517-531.

  • * Khan, S. R., Canales, B. K., & Daudon, M. (2021). Urolithiasis: a comprehensive review. *Nature Reviews Disease Primers*, *7*(1), 1-22.

  • * Zhu, M. C., & Zhang, Y. T. (2020). Current Concepts in the Diagnosis and Management of Urolithiasis. *Frontiers in Surgery*, *7*, 607412.

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