Medical Content | Urology Health | Treatment Range Hospitals
Most people who have had a kidney stone will tell you the same thing. They had no idea what was happening. One minute they were fine, and the next they were on the floor of their bathroom, unable to move, wondering if something was terribly wrong. A few of them thought it was a heart attack. Others assumed it was a bad muscle pull from lifting something heavy.
It was a kidney stone.
And the worst part? Many of them had mild signs showing up days or even weeks before the pain hit that hard. A dull ache in the lower back. A slight burning when passing urine. Maybe a little blood in the toilet that they told themselves was nothing. Small things. Easy to push aside when you have work to do, a family to look after, a life to get on with.
This article is about those signs. And about what to do when you notice them before things spiral.
So What Actually Is a Kidney Stone?
Your kidneys work every single day without you thinking about them. They filter your blood, pull out the waste, and push it out through urine. Pretty remarkable when you think about it. But sometimes, the minerals in your urine, things like calcium, oxalate, uric acid, get too concentrated. Instead of flushing out cleanly, they start to stick together and harden into a solid lump sitting inside your kidney. That is a kidney stone.
Some of them are tiny. Smaller than a grain of rice. Those ones often slip out on their own and you might not even realise it happened. But then there are the ones that grow. And they grow slowly, quietly, with no symptoms at all until they decide to move. When they do, they drag against the soft lining of your urinary tract and cause the kind of pain that sends people rushing to emergency rooms.
The most common type is the calcium oxalate stone, which forms when calcium binds with oxalate in the urine. Uric acid stones are the next most common, usually seen in people who eat a lot of meat or have gout. Struvite stones tend to show up after recurrent urinary infections. And then there are cystine stones, rare ones tied to a genetic condition where the kidneys leak too much of a certain amino acid.
Knowing which type you have actually matters, because the treatment and prevention strategy is different for each one.
The Symptoms: Nine Signs Your Body Is Trying to Tell You Something
The Back Pain That Doesn’t Behave Like Back Pain
Kidney stone pain has a particular quality to it that sets it apart from a pulled muscle or a strained ligament. First, it comes on fast. Not gradually over a few hours but suddenly, within minutes sometimes. Second, it doesn’t sit still. A muscle sprain stays in one spot. Kidney stone pain starts in the side or the lower back, just below the ribcage on one side, and then it moves. It can travel down toward the groin or the lower belly as the stone shifts through your urinary tract.
And it comes in waves. Intense for a few minutes, slightly better, then intense again. Patients describe it as the worst pain of their life. Some have compared it to labour contractions. Others to being stabbed repeatedly in the side. It is not the kind of pain you sleep through or ignore by taking a paracetamol.
If your back pain is behaving like this, please do not wait to see if it goes away on its own.
Burning or Pain While Passing Urine
As the stone moves out of the kidney and into the ureter, the narrow tube that connects the kidney to the bladder, it creates friction. By the time it reaches the lower part of the urinary tract, passing urine can feel sharp, burning, sometimes quite intense. A lot of people mistake this for a urinary tract infection, which is understandable because the sensation is almost identical. The difference is that a UTI usually comes with other signs like fever and frequency from the start. With a stone, the burning typically follows the back pain.
Blood in the Urine
This one is hard to ignore once you actually notice it. Your urine might look pink, or it might be a darker red or brownish colour. What’s happening is that the stone, as it scrapes through the urinary tract, causes small injuries to the lining. Those injuries bleed. Sometimes the blood is visible to the eye. Sometimes it’s microscopic and only a lab test will pick it up.
Blood in the urine always needs a medical check, regardless of what you think is causing it. There is no situation where that symptom should be dismissed.
Needing to Urinate Constantly but Barely Going
When a stone settles near the bladder, it irritates the bladder wall. Your bladder interprets that irritation as a signal that it is full and needs to empty. So you get the urgent, pressing need to urinate, you rush to the toilet, and almost nothing comes out. Then ten minutes later, the same thing happens again. It is uncomfortable and exhausting, and it is a classic sign that something is sitting in the wrong place in your urinary tract.
Nausea and Vomiting
The kidneys and the digestive tract share some nerve pathways. When the kidney is under severe stress from a stone causing a blockage or intense pain, those shared nerves send signals that the gut interprets as distress. The result is nausea. Sometimes mild, sometimes severe enough to cause repeated vomiting. Some people end up dehydrated because they cannot keep fluids down, which only makes things worse for the kidney.
Urine That Smells Wrong or Looks Cloudy
Clear, pale yellow urine is what healthy kidneys produce. If your urine looks murky or the smell is noticeably stronger and more unpleasant than usual, it can point to two things: either an infection has developed alongside the stone, or the stone itself is causing significant irritation and inflammation in the urinary tract. Either way, cloudy or foul-smelling urine is not something to chalk up to “not drinking enough water” and move on.
Pain That Keeps Moving Around
One of the more confusing things about kidney stone pain is how much it moves. People often describe starting with pain in the middle of the back, which then shifts to the side, then drops to the lower abdomen, and sometimes radiates into the upper thigh or groin. This is the stone physically travelling. As it moves through different parts of the urinary tract, it creates pressure and irritation at each point it passes. The moving nature of the pain is actually one of the stronger clues pointing toward a stone rather than something else.
Trouble Passing Urine At All
A stone that is large enough can partially or completely block the flow of urine. This is when things get genuinely serious. You might feel constant pressure in your lower abdomen, a real need to go, but when you try, very little comes out. In cases of complete blockage, urine backs up into the kidney. That backup causes the kidney to swell, a condition called hydronephrosis, and it can damage kidney tissue within hours if not addressed.
This is a medical emergency. If you suspect you cannot pass urine because of a blockage, go to the hospital now.
Fever and Chills Together With Any of the Above
Any of the above symptoms combined with a fever is a serious warning. It almost always means an infection has developed, usually inside the blocked kidney. Infected urine with nowhere to drain becomes a breeding ground for bacteria. That infection can spread into the bloodstream quickly. This specific combination, kidney stone plus fever, needs emergency treatment and should not be managed at home with painkillers.
Noticing any of these symptoms? Call Treatment Range Hospitals right now at +91 988 819 3331
What Actually Causes Kidney Stones to Form?
Kidney stones are almost never the result of one single thing. They build up over time because of a combination of factors, most of which come down to how we eat, how much we drink, and sometimes our genetics.
Not drinking enough water is the biggest one. When you are dehydrated, your urine becomes thick and concentrated. There is less liquid to dilute the minerals, so they have a much easier time sticking together and crystallising. People living in hot climates, like most of India, are at a naturally higher risk because they sweat more. If your urine is consistently dark yellow, you are not drinking enough.
Too much salt is another common culprit. Salt raises the amount of calcium your kidneys push into the urine. More calcium in the urine means a higher chance of calcium oxalate stones forming. The tricky thing is that most people don’t realise how much salt they consume through packaged snacks, pickles, restaurant food, and ready-made sauces.
High protein intake, especially from red meat, poultry, and seafood, raises uric acid levels. Over time, elevated uric acid in the urine leads to uric acid stone formation. This is one reason kidney stones are becoming more common as diets shift toward more animal protein.
Family history plays a bigger role than many realise. If a parent or sibling has had kidney stones, your personal risk is meaningfully higher than the average person’s. It doesn’t mean you will definitely get them, but it does mean you should be more careful about hydration and diet than someone with no family history.
Obesity and being overweight changes the chemical composition of urine in ways that make stone formation more likely. It also increases uric acid production in the body.
Certain medical conditions increase the risk too, including gout, hyperparathyroidism, inflammatory bowel disease, recurrent urinary infections, and type 2 diabetes. If you have any of these, your kidneys deserve some extra attention and regular check-ups.
How Doctors Diagnose a Kidney Stone
When you walk in with symptoms, a good urologist will not guess. The workup is usually straightforward. A urine test checks for blood, bacteria, and mineral levels. A blood test looks at kidney function and calcium or uric acid levels in the blood. An ultrasound is often the first imaging scan done because it is quick, safe, and shows stones in the kidney or early blockage quite well. A CT scan gives a much more detailed picture and can detect even very small stones and their exact location. X-rays are sometimes used to track a stone’s movement over time.
The whole process rarely takes long. Once the doctor knows the size, position, and type of stone, treatment can begin immediately.
Treatment: What Your Options Actually Look Like
Treatment depends on how big the stone is and where it is sitting.
Small stones, generally under 5 mm, are often managed without any procedure. Drinking a lot of water, sometimes 3 litres a day, helps push the stone along. Pain medication keeps things manageable. Doctors sometimes prescribe a class of medicines called alpha-blockers, which relax the muscles of the ureter and make it easier for the stone to pass. Many small stones clear on their own within a few weeks with this approach.
Medium and larger stones need more active treatment. Shockwave lithotripsy, often called SWL, uses targeted sound waves delivered from outside the body to break a stone into smaller fragments that can pass in urine. No incision, no anaesthesia in most cases, and people usually go home the same day. Ureteroscopy with laser fragmentation is another option, particularly effective for stones stuck in the ureter. A thin flexible camera goes through the urinary tract to reach the stone, and a laser breaks it down to dust-sized particles that pass out harmlessly. For larger stones, typically over 2 cm sitting inside the kidney, a procedure called PCNL (percutaneous nephrolithotomy) involves making a small incision in the back to directly access and remove the stone. It sounds more involved than it is. Recovery is usually quite quick in experienced hands.
Open surgery for kidney stones is genuinely rare today. Modern procedures handle the vast majority of cases.
At Treatment Range Hospitals, our urology team uses the latest laser and shockwave technology to treat kidney stones with minimal discomfort and fast recovery. Call +91 988 819 3331 or book your appointment online today to meet a specialist.
Preventing Kidney Stones: The Habits That Actually Make a Difference
If you have had one kidney stone, there is roughly a 50% chance of getting another within ten years without changes. The prevention strategies are not complicated, but they do require consistency.
Drink more water than you think you need. The goal is urine that looks pale, almost colourless. If it is yellow, drink more. If it is dark, drink a lot more. This single habit reduces stone risk more than anything else.
Pull back on salt. Check labels on packaged food. Cook at home more often. Avoid adding extra salt to meals that already have seasoning. Even small reductions add up significantly over months.
Moderate your protein intake. You don’t need to give up meat entirely but eating large quantities of animal protein daily puts steady pressure on your kidneys. Balance it with vegetables, lentils, and whole grains.
If your doctor has confirmed you have calcium oxalate stones, you may be advised to reduce foods high in oxalate: spinach, beets, chocolate, almonds, and strong tea in large quantities. This advice is specific to that stone type, so follow your doctor’s guidance rather than cutting everything out unnecessarily.
Stay physically active. Even moderate regular exercise helps maintain a healthy weight and improves the metabolic factors that contribute to stone formation.
And if your doctor has prescribed medication after a stone episode, take it. Certain medicines are very effective at reducing recurrence, but only if you actually take them.
When to Stop Waiting and See a Doctor
There is no prize for managing this at home. If the pain is severe, if you see blood in your urine, if you have a fever with any urinary symptoms, if you cannot urinate, or if the symptoms have not improved after a day or two, it is time to get proper medical help. Not tomorrow. Today.
The complications from an untreated blocked kidney, including permanent kidney damage and bloodstream infections, are far more serious and far harder to treat than the stone itself caught early.
Do not wait for the pain to become unbearable. Call +91 988 819 3331 or Book An appointment at Treatment Range Hospitals.
Common Questions People Ask About Kidney Stones
How do I know if it’s a kidney stone or just a pulled muscle in my back? Kidney stone pain comes on suddenly, moves around, and is usually accompanied by urinary symptoms like blood in urine or frequent urination. Muscle pain is more localised and typically improves with rest and a pain reliever. If you are not sure, a quick ultrasound will answer the question.
Can small kidney stones pass without treatment? Yes, stones under about 4 to 5 mm often pass naturally within a few weeks, especially with high fluid intake. Anything larger than that usually needs medical help to pass safely.
Is the pain constant? Not usually. Kidney stone pain, also called renal colic, tends to come in waves. It peaks, eases slightly, and peaks again. This pattern is one of the things doctors use to distinguish it from other types of abdominal or back pain.
What should I stop eating to avoid another stone? Cut back on salt, reduce heavy animal protein intake, and drink a lot more water daily. Your doctor may give you specific dietary advice based on the type of stone you had.
Can children get kidney stones? They can, though it’s much less common than in adults. In children, stones are usually linked to dehydration, certain genetic conditions, or underlying metabolic issues. A paediatric urologist can evaluate and advise.
If I’ve had one stone, will I definitely get another? Not definitely, but the risk is real. With the right dietary habits and adequate hydration, many people go years without a recurrence. Some have one stone their entire life. It depends on the cause, the stone type, and how well you follow prevention advice.
Final Thoughts
Kidney stones are painful. Sometimes extremely so. But they are also very treatable, especially when caught before they cause a blockage or infection. The body usually gives warning signs. A nagging ache, a slight change in urine colour, a burning sensation that you keep dismissing. Those signs are worth paying attention to.
Drink your water. Watch the salt. Move your body. And if something feels off, get it checked. You will not regret acting early. You will almost certainly regret waiting too long.
