IgA Nephropathy: Symptoms, Diagnosis & Treatment
A clear guide to IgA nephropathy, one of the most common causes of kidney inflammation, covering diagnosis and long-term treatment.
Treatment usually begins with
Nephrology Consultation
Urine & Kidney Function Testing
Blood Pressure & Immune Therapy
Long-Term Monitoring
Treatment focuses on controlling blood pressure and protein loss, with immune-modulating therapy considered for more active disease.
You may need this evaluated if...
A nephrology evaluation is recommended when these signs appear:
- Recurrent episodes of visible blood in the urine, often after an infection
- Protein detected in the urine on routine testing
- Kidney function tests show a gradual decline
- High blood pressure without a clear cause
IgA nephropathy progresses slowly in many patients, and the right treatment can meaningfully protect long-term kidney function.
What is IgA Nephropathy?
IgA nephropathy occurs when an antibody called IgA builds up in the kidney's filtering units, causing inflammation that can lead to blood and protein in the urine.
One of the Most Common Kidney Conditions
IgA nephropathy is among the most frequently diagnosed causes of glomerular kidney disease.
Variable Course
Some patients have a mild, stable course, while others experience gradual kidney function decline.
Often Found on Routine Testing
Blood or protein in the urine is frequently how this condition is first detected.
Treatable and Monitorable
Blood pressure control and, when needed, immune therapy help protect kidney function.
Common Symptoms
- Visible blood in the urine, sometimes after a cold or infection
- Protein in the urine found on testing
- Swelling in the legs or around the eyes
- High blood pressure
- Fatigue
What Increases Your Risk
A combination of medical, genetic and lifestyle factors can increase the likelihood of this condition.
How It Is Diagnosed
A structured assessment confirms the diagnosis and helps guide the right treatment plan.
Urine Testing
Detects blood and protein levels that point toward IgA nephropathy.
Blood Tests
Assesses overall kidney function and rules out other causes.
Kidney Biopsy
Confirms the diagnosis and helps assess the severity of kidney involvement.
Treatment Approaches
Medical Management
- Blood pressure control medication
- Medication to reduce protein loss
- Immune-modulating therapy for more active or progressive disease
Advanced Care
Most cases are managed medically over the long term. Dialysis or transplant evaluation is considered only if kidney function declines significantly.
Treatment decisions are based on kidney function tests, the underlying cause and overall health, not a single test.
Know When to Act
Recognising these signs early and acting promptly helps protect long-term kidney function.
Book an Assessment
Schedule a consultation for a routine evaluation or ongoing concern.
- Recurrent visible blood in the urine
- Protein found on routine urine testing
Seek Urgent Care
Reach out for emergency care immediately if you notice any of the following.
- Sudden, severe swelling with breathlessness
- Very low urine output
Not Sure What You Need?
Speak to a Care Guide and we'll help you choose the right nephrologist.
Talk to Care GuideA care guide can match your condition to the right nephrologist.
Share your concern or existing reports. We will help you choose the right hospital, doctor and appointment.
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