Nephrologist in Sharjah

What a nephrologist does

A nephrologist is a kidney physician. The distinction from a urologist matters and is the most common confusion patients arrive with: a urologist is a surgeon who treats structural problems — stones, blockages, prostate, bladder, tumours. A nephrologist is a physician who treats kidney function — how well the kidneys filter, and what happens when they filter less well.

Kidney stone pain goes to urology. A rising creatinine goes to nephrology. Many patients see both, and the two departments work together here.

What your kidneys actually do

More than most people realise, which is why kidney disease affects so much beyond urine.

They filter waste from the blood. They regulate fluid balance and blood pressure. They control the balance of sodium, potassium, calcium and phosphate. They activate vitamin D, which is why kidney disease weakens bones. And they produce the hormone that tells the bone marrow to make red blood cells, which is why kidney disease causes anaemia.

That breadth explains the symptoms: fatigue, breathlessness, swelling, itching, muscle cramps, poor appetite and bone pain are all kidney symptoms, and none of them sounds like one.

When should you see a nephrologist?

• A raised creatinine or a reduced eGFR on a blood test
• Protein in the urine, or persistent frothy urine
• Blood in the urine found on testing
• Swelling of the ankles, legs, hands or around the eyes
• High blood pressure that is difficult to control, or that began young
• Diabetes with any sign of kidney involvement
• Repeated kidney infections
• A family history of kidney disease or polycystic kidneys
• Abnormal potassium, sodium or calcium levels
• Kidney cysts or abnormalities found on a scan
• Recurrent kidney stones with an underlying metabolic cause

Most referrals come from a blood test result rather than a symptom. That is not a reason to delay — it is the best possible reason to come, because kidney disease found on a blood test is kidney disease found early.

When is it urgent?

Go to the emergency department for:

• Passing very little or no urine
• Rapid swelling with breathlessness, particularly when lying flat
• Severe weakness with palpitations — this may indicate dangerously high potassium
• Confusion or drowsiness alongside known kidney disease
• Severe one-sided flank pain with high fever

Chronic kidney disease

Chronic kidney disease means kidney function has been reduced for more than three months. It is graded in five stages by eGFR — a number reported on routine blood tests that most patients have never had explained to them.

The central fact about CKD is that it is silent. Kidney function can fall substantially before any symptom appears. People commonly reach stage 3 or beyond feeling entirely well, and discover it incidentally.

That silence is also the opportunity. CKD found early can very often be slowed, sometimes considerably. What cannot be done is recovering function already lost — kidney damage is largely permanent. Everything in nephrology is therefore about protecting what remains.

The main drivers here are diabetes and high blood pressure, and both are exceptionally common in the UAE. Diabetic kidney disease is the leading cause of kidney failure in this region, and it develops over years without symptoms while blood sugar runs high.

Protecting kidney function

This is the core work, and most of it is unglamorous.

Blood pressure control is the single most effective intervention. Specific medication classes — ACE inhibitors and ARBs — protect kidneys beyond their blood-pressure effect, particularly where protein is present in the urine.

Blood sugar control in diabetes, monitored with HbA1c, and with newer medication classes that have been shown to protect kidney function directly.

Reducing protein leak. Protein in the urine is not only a marker of damage, it accelerates further damage. Lowering it slows progression.

Avoiding what harms kidneys. Regular anti-inflammatory painkillers — ibuprofen, diclofenac and similar — are a genuinely common and avoidable cause of kidney injury, and they are bought over the counter for back pain and headaches by people who have no idea. Certain herbal and slimming preparations are another. Contrast dye used in some scans needs care in reduced kidney function. Tell every doctor you see that you have kidney disease, including dentists and pharmacists.

Salt reduction, weight management, stopping smoking, and treating the anaemia, bone disease and acid build-up that accompany advancing CKD.

Diabetic kidney disease

Diabetes damages the small filtering vessels of the kidney over years. The earliest sign is small amounts of protein in the urine — detectable on a simple test long before creatinine rises.

Anyone with type 2 diabetes should have their urine tested for protein and their kidney function checked at least annually. This is among the most cost-effective tests in medicine and among the most frequently skipped. Catching protein leak early, and treating it, changes the trajectory materially.

Blood pressure and the kidneys

The relationship runs both ways. High blood pressure damages kidneys, and damaged kidneys raise blood pressure — a loop that accelerates unless it is broken.

Blood pressure that is difficult to control despite three medications, or that begins at a young age, warrants kidney assessment. There is sometimes an identifiable and treatable kidney or vascular cause.

Other kidney conditions

Glomerulonephritis — inflammation of the kidney's filters, causing blood and protein in the urine. Several types, some requiring immune-suppressing treatment. Diagnosis often needs a kidney biopsy.

Nephrotic syndrome — heavy protein loss causing marked swelling and low blood protein.

Polycystic kidney disease — inherited, with cysts enlarging over decades. Family screening is relevant, and monitoring matters.

IgA nephropathy and lupus nephritis — immune-mediated kidney conditions needing long-term specialist care.

Acute kidney injury — a sudden drop in function from dehydration, infection, obstruction or medication. Often reversible if the cause is identified promptly, which is why it is treated urgently.

Electrolyte disorders — abnormal potassium, sodium, calcium or phosphate, which can be dangerous and frequently have a treatable underlying cause.

Dialysis and preparing for it

Not everyone with CKD reaches dialysis. Many people manage stable reduced function for the rest of their lives without ever needing it. Being referred to a nephrologist does not mean dialysis is coming.

Where kidney function does decline toward failure, early preparation produces better outcomes than emergency starts — consistently and substantially. Pre-dialysis education covers what the options are, what each involves day to day, and how they fit around work and family.

Haemodialysis filters the blood through a machine, usually three times a week. Peritoneal dialysis uses the lining of the abdomen and is performed at home, often overnight, offering more independence and a more flexible schedule.

Transplant evaluation is discussed where appropriate. A transplant is the best long-term outcome for suitable patients, and assessment takes time — which is another argument for early referral.

The choice between options is genuinely yours to make, informed by your medical situation, your work, your home circumstances and what you want your life to look like. It should be a conversation over months, not a decision made in a hospital bed.

Children's kidney conditions

Congenital abnormalities, nephrotic syndrome, recurrent urinary infections and inherited conditions, assessed with age-appropriate methods alongside Pediatrics.

What happens at your appointment

Blood tests for creatinine, eGFR and electrolytes; urine testing for protein and blood; blood pressure; and review of every medication you take including over-the-counter and herbal preparations.

Kidney ultrasound is common. A kidney biopsy is arranged where the cause of damage needs to be established precisely — it is performed under local anaesthetic with ultrasound guidance.

Bring your previous blood tests, even old ones. In nephrology the trend over years is often more informative than today's number, and a creatinine from four years ago can change the interpretation entirely.

Cost and insurance

Most UAE plans cover nephrology consultation and standard tests. Dialysis is usually covered but frequently requires pre-approval and may be restricted to specific centres. Transplant evaluation has its own requirements. Clarify early — confirm on 06 599 7777.