Renal stone pain, commonly called renal colic, can occur when a kidney stone moves into the ureter and interferes with the normal flow of urine.

The pain can be sudden and intense. It may begin around the side or back and travel toward the abdomen or groin. Nausea and vomiting can occur, and some patients may notice blood in the urine. (niddk.nih.gov)

The important point is that pain relief and stone treatment are not always the same thing.

A painkiller may reduce renal colic temporarily, but it does not necessarily remove the stone. If the stone continues to obstruct the urinary tract, the underlying problem may still require treatment.

At Prabhakar Bhurke Clinic, Dr. Sandip Prabhakar Bhurke, super specialist nephrologist and transplant physician, provides individualized evaluation for patients with kidney stones, kidney-function abnormalities and related urinary problems.

Why Does a Kidney Stone Hurt So Much?

The ureter is a narrow muscular tube that carries urine from the kidney to the bladder.

When a stone enters the ureter, it can interfere with urine drainage and trigger contractions of the ureter. This can produce the intense, wave-like pain associated with renal colic.

Pain may:

• Start suddenly

• Occur on one side

• Come in waves

• Move from the flank toward the abdomen

• Spread toward the groin

• Be accompanied by nausea or vomiting

The severity of pain does not reliably tell you how large the stone is.

What Is the First-Line Treatment for Renal Stone Pain?

For acute renal colic, non-steroidal anti-inflammatory drugs (NSAIDs) are commonly recommended as first-line pain treatment when they are medically appropriate.

Current EAU guidance states that NSAIDs and paracetamol are effective for acute stone colic, with NSAIDs generally preferred when there are no contraindications. (uroweb.org)

Examples of NSAIDs include medicines such as:

• Diclofenac

• Ibuprofen

• Ketorolac

However, these medicines are not suitable for everyone.

People with reduced kidney function, significant dehydration, certain cardiovascular conditions, gastrointestinal bleeding risk or other contraindications may require a different approach.

Never assume that a commonly available painkiller is automatically safe for your kidneys.

Can Paracetamol Help Renal Stone Pain?

Paracetamol (acetaminophen) can be used for pain in appropriate patients.

EAU guidance recognizes paracetamol as an effective option for acute renal colic. (uroweb.org)

Whether it is appropriate for you depends on factors such as:

• Other medicines

• Liver health

• The severity of pain

• The cause of the pain

• Other medical conditions

Follow the dose recommended by your healthcare professional or the product labeling.

Are Stronger Pain Medicines Ever Needed?

Some patients have severe renal colic that does not respond adequately to initial treatment.

In such situations, doctors may consider other analgesic medicines, including opioids, depending on the clinical circumstances.

EAU guidance considers opioids a second-choice option for acute renal colic when appropriate. (uroweb.org)

These medicines can have side effects such as:

• Drowsiness

• Nausea

• Vomiting

• Constipation

• Breathing problems in susceptible patients

• Dependence with inappropriate or prolonged use

They should therefore be used under medical supervision.

What If NSAIDs Are Not Safe for You?

NSAIDs may need to be avoided or used cautiously in people with:

• Chronic kidney disease

• Acute kidney injury

• Dehydration

• Certain heart conditions

• Stomach or intestinal bleeding risk

• Certain blood-thinning treatments

• Previous serious reactions to NSAIDs

EAU guidance specifically notes that NSAIDs can affect renal function in patients with pre-existing reduced kidney function. (uroweb.org)

If you have kidney disease, do not self-treat severe stone pain with repeated doses of NSAIDs without medical advice.

Does a Painkiller Remove the Kidney Stone?

No.

Pain medicines control the symptom but generally do not remove the stone.

The stone may still:

• Remain inside the kidney

• Continue moving through the ureter

• Cause intermittent obstruction

• Become lodged

• Produce recurrent pain

• Contribute to infection or kidney-function problems

Therefore, treatment should address both pain and the underlying stone problem.

Can a Small Stone Pass Without a Procedure?

Yes, some small ureteral stones can pass naturally.

The probability depends on:

• Stone size

• Stone location

• Urinary anatomy

• Degree of obstruction

• Symptoms

• Kidney function

• Presence or absence of infection

EAU guidance reports that spontaneous passage is more common with smaller stones and is generally more likely for distal ureteral stones than stones located higher in the ureter. (uroweb.org)

When observation is appropriate, the doctor may prescribe pain relief and, in selected patients, medical expulsive therapy.

Can Medicines Help the Stone Pass?

Selected patients with ureteral stones may receive medical expulsive therapy (MET).

Alpha-blockers such as tamsulosin may be considered in selected distal ureteral stones, particularly stones larger than 5 mm, when active removal is not indicated. This use is generally considered off-label and requires medical supervision. (uroweb.org)

MET should not be continued if complications develop.

Treatment needs reassessment if there is:

• Infection

• Persistent severe pain

• Worsening kidney function

• Significant obstruction

• Other concerning symptoms

Can Drinking Water Relieve Renal Stone Pain?

Adequate hydration is important for many people with kidney stones, but forcing large amounts of water is not a treatment for severe renal colic.

If a stone is obstructing urine flow, excessive fluid intake does not guarantee that the stone will move through.

Large amounts of fluid may also worsen discomfort in some situations.

People with kidney failure, heart disease or fluid restrictions need individualized fluid advice.

NIDDK notes that fluid recommendations should take the individual's health circumstances into account. (niddk.nih.gov)

How Long Does Renal Stone Pain Last?

There is no fixed duration.

Pain may improve when:

• The stone changes position

• Urine flow improves

• The stone passes

• Medical treatment controls the inflammation and ureteral spasm

However, pain stopping does not always prove that the stone has passed.

A stone may remain inside the urinary tract without producing continuous severe pain.

When obstruction has been suspected, follow-up imaging may be needed to confirm resolution.

Why Does Renal Stone Pain Come and Go?

Renal colic can be intermittent because the ureter contracts around the stone.

This can make the pain:

• Increase suddenly

• Become very intense

• Ease temporarily

• Return later

Intermittent pain should not automatically be interpreted as harmless.

If episodes continue, the stone's location and effect on urine drainage may need to be reassessed.

When Does Renal Stone Pain Become an Emergency?

Severe stone pain requires urgent medical attention when it occurs with signs suggesting infection, obstruction or another serious complication.

Seek immediate medical assessment for:

• Fever

• Chills

• Very little or no urine

• Inability to urinate

• Persistent vomiting

• Severe weakness

• Confusion

• Fainting

• Rapidly worsening symptoms

An obstructed kidney with infection or anuria is a urological emergency. EAU guidance recommends urgent drainage in appropriate cases, using a ureteral stent or percutaneous nephrostomy, with definitive stone treatment delayed until the infection has been controlled. (uroweb.org)

What Tests Help Find the Cause of Renal Stone Pain?

A doctor may use a combination of clinical assessment, laboratory tests and imaging.

Urine Testing

Urinalysis can look for:

• Blood

• White blood cells

• Infection

• Crystals

• Other abnormalities

A urine culture may be required when infection is suspected.

Blood Tests

Depending on the situation, testing may include:

• Creatinine

• eGFR

• Electrolytes

• Blood count

• Other relevant tests

Ultrasound

Ultrasound can identify many kidney stones and may show urinary tract dilation.

CT Scan

When clinically appropriate, non-contrast CT can provide detailed information about:

• Stone size

• Stone location

• Number of stones

• Obstruction

• Urinary anatomy

EAU guidance recommends ultrasound as an initial imaging tool in many stone presentations, with additional imaging used according to the clinical situation. (uroweb.org)

When Does a Painful Stone Need Removal?

Pain alone does not always mean surgery is necessary.

However, active stone treatment may be considered when there is:

• Persistent pain despite appropriate analgesia

• Low likelihood of spontaneous passage

• Persistent obstruction

• Declining kidney function

• Recurrent infection

• A stone that is too large to pass

• Other clinically important complications

EAU guidance lists persistent pain, persistent obstruction, renal insufficiency and low likelihood of spontaneous passage among indications for ureteral stone removal. (uroweb.org)

Which Procedures Can Treat a Painful Renal Stone?

The appropriate procedure depends on the stone's size, location and other characteristics.

Ureteroscopy and Laser Lithotripsy

A small scope is passed through the urinary tract to reach the stone.

Laser energy can fragment the stone, and fragments may be removed with a basket or allowed to pass depending on their size and the clinical situation.

Shock Wave Lithotripsy

External shock waves are used to fragment selected stones.

Its success depends on factors such as stone size, location, density and anatomy.

Percutaneous Nephrolithotomy

PCNL uses a small access tract into the kidney to remove larger or complex stones.

EAU guidance recommends PCNL as the primary treatment option for larger renal stones over 2 cm in appropriate patients. (uroweb.org)

What If the Pain Is From a Kidney Stone but the Stone Is Small?

A small stone may be managed conservatively if:

• There is no infection

• Kidney function is stable

• Pain can be controlled

• Urine is draining adequately

• The stone has a reasonable chance of passing

The doctor may recommend observation, pain management and selected medical expulsive therapy.

Follow-up is important to ensure that the stone has passed or is no longer causing obstruction.

What If the Stone Is Large?

Large renal or ureteral stones are less likely to pass spontaneously.

Treatment may involve:

• Ureteroscopy

• Laser lithotripsy

• Shock wave lithotripsy in selected cases

• PCNL

• Staged procedures

The decision should be based on imaging and the patient's clinical condition rather than size alone.

Renal Stone Pain With Reduced Kidney Function

Painful stones require additional caution when kidney function is already reduced.

A doctor may check:

• Serum creatinine

• eGFR

• Potassium

• Urine output

• Degree of obstruction

Repeated obstruction can place additional stress on the kidneys.

NSAIDs also require particular caution in people with reduced kidney function because they can worsen renal function in susceptible patients. (uroweb.org)

Renal Stone Pain During Pregnancy

Pregnancy requires special consideration when evaluating and treating suspected renal colic.

The choice of pain medicine and imaging should be determined by the treating medical team.

Do not self-medicate with NSAIDs or other painkillers during pregnancy without professional advice.

If severe pain, fever, vomiting or urinary obstruction is suspected during pregnancy, prompt medical assessment is important.

What Happens After the Pain Settles?

Even when renal colic resolves, follow-up may be necessary.

Depending on the case, the doctor may recommend:

• Repeat imaging

• Stone analysis

• Blood tests

• Urine testing

• Metabolic evaluation

• Dietary assessment

• Preventive medication

Identifying why stones form can help reduce recurrence.

NIDDK notes that prevention may involve changes in fluid intake, diet and medications depending on the type of stone and individual risk factors. (niddk.nih.gov)

Preventing Another Episode of Renal Stone Pain

Prevention depends on stone composition and the patient's metabolic risk profile.

General measures may include:

Appropriate Fluid Intake

Adequate fluid can dilute stone-forming substances in urine.

Moderate Sodium Intake

Excess dietary sodium can increase the risk of certain calcium-containing stones.

Individualized Diet

Dietary advice may depend on calcium, oxalate, uric acid, citrate and other factors.

Stone Analysis

If a passed or removed stone can be collected, laboratory analysis may identify its composition.

Metabolic Evaluation

People with recurrent or high-risk stones may benefit from blood and urine testing, including selected 24-hour urine studies.

Renal Stone Pain Treatment at Prabhakar Bhurke Clinic

At Prabhakar Bhurke Clinic, Dr. Sandip Prabhakar Bhurke, super specialist nephrologist and transplant physician, provides individualized evaluation for patients with renal stone pain and associated kidney-function concerns.

Depending on the clinical situation, assessment may include:

• Reviewing pain characteristics

• Evaluating previous stone episodes

• Reviewing ultrasound or CT findings

• Checking creatinine and eGFR

• Assessing urinary obstruction

• Evaluating possible urinary infection

• Reviewing current medicines

• Assessing recurrent stone risk

• Monitoring kidney function

• Coordinating with an appropriate urological specialist when stone removal is required

The aim is to identify the source of the pain and determine whether conservative management or active stone treatment is appropriate.

Frequently Asked Questions

What is the best treatment for renal stone pain?

NSAIDs are generally recommended as first-line treatment for acute renal colic when medically appropriate. Paracetamol may also be used in suitable patients. People with kidney disease, dehydration or other contraindications should obtain medical advice before taking NSAIDs. (uroweb.org)

Which painkiller is safe for kidney stone pain?

There is no single painkiller that is safe for everyone. NSAIDs can be effective but may be unsuitable for people with reduced kidney function or certain other conditions. A doctor should determine the appropriate option.

Does renal stone pain mean the stone must be removed?

Not always. Some small stones can pass naturally. Removal may become necessary when pain persists despite treatment, obstruction continues, kidney function is affected, infection develops or spontaneous passage is unlikely. (uroweb.org)

Can drinking water stop renal stone pain?

Water does not directly stop renal colic. Appropriate hydration can support urine flow, but excessive water does not guarantee stone passage and can be unsafe in some patients.

How do I know if kidney stone pain is an emergency?

Severe pain accompanied by fever, chills, very little or no urine, persistent vomiting, confusion or rapidly worsening symptoms requires urgent medical assessment.

Can a kidney stone cause kidney damage?

A stone can affect kidney function when it causes significant or prolonged obstruction, particularly when infection is also present.

Does passing the stone mean treatment is finished?

Not necessarily. Recurrent stone formers may need stone analysis, metabolic evaluation, dietary advice and follow-up to reduce the chance of another stone.

Conclusion

Renal stone pain treatment involves more than simply taking a painkiller.

The first priority is to control pain safely while determining whether the stone is likely to pass naturally or is causing obstruction or another complication. NSAIDs are commonly used for acute renal colic when appropriate, while other analgesics may be considered when NSAIDs are unsuitable or insufficient. (uroweb.org)

A painful stone does not automatically require a procedure, but persistent pain, urinary obstruction, declining kidney function, infection or a low likelihood of spontaneous passage may make active stone treatment necessary.

Because treatment depends on stone size, location, kidney function and the presence of complications, an individualized assessment is important.

For specialist evaluation of renal stone pain and kidney-function concerns, consult Dr. Sandip Prabhakar Bhurke at Prabhakar Bhurke Clinic.

Medical Disclaimer

This article is intended for general educational and informational purposes only and should not be considered a substitute for medical diagnosis, treatment or individualized medical advice. The appropriate treatment for renal stone pain depends on the stone's size, location, obstruction, infection status, kidney function and the patient's overall health. NSAIDs can be effective for renal colic but may be unsuitable for people with chronic kidney disease, acute kidney injury, dehydration, certain cardiovascular conditions or other contraindications. Do not self-prescribe antibiotics, pain medicines, medical expulsive therapy or herbal remedies. Fever or chills with suspected urinary obstruction, very little or no urine, persistent vomiting, severe uncontrolled pain, confusion or rapidly worsening symptoms require urgent medical evaluation. Consult Dr. Sandip Prabhakar Bhurke or another qualified nephrologist or urologist for an individualized treatment plan.