Glomerulonephritis – Symptoms, Causes & Treatment

Glomerulonephritis is a kidney condition that damages the tiny filters which are identified as glomeruli. These filters remove waste with excess fluids from the bloodstream. An inflammatory state of these filters can result in reduced kidney function which leads to severe health problems. 

Symptoms of Glomerulonephritis

Acute glomerulonephritis develops suddenly or progresses over time (chronic). Symptom intensity depends on how badly kidneys are damaged.

1.    Blood in Urine (Hematuria) – The urine may appear pink, red, or brown due to blood leakage from the kidneys.

2.    Foamy Urine – The appearance of bubbles or foam within the urine due to proteinuria reveals that kidneys have suffered damage.

3.    Swelling (Edema) – Fluid retention may lead to swelling in the face, hands, feet, or legs.

4.    High Blood Pressure (Hypertension) – The kidneys help to maintain blood pressure, but inflammation can lead to an increase.

5.    Fatigue – Poor kidney function can cause waste buildup, leading to tiredness and weakness.

6.    Frequent or Reduced Urination – Some people experience increased urination, while others notice a significant decrease.

7.    Shortness of Breath – Fluid accumulation in the lungs may cause breathing difficulties.

8.    Nausea and Loss of Appetite – Toxins building up in the body can lead to digestive problems.

Causes of Glomerulonephritis

The condition can result from infections, autoimmune diseases, or other health disorders. Some common causes include-

1.    Infections-

○     Strep Throat or Skin Infections –When people experience streptococcal infection their bodies generate harmful immune reactions which damage their kidneys.

○     Viral Infections – Hepatitis B, hepatitis C, and HIV can cause kidney inflammation.

○     Bacterial Endocarditis – A bacterial infection in the heart can lead to kidney issues.

2.    Autoimmune Diseases-

○     Lupus – This condition can affect multiple organs, including the kidneys (lupus nephritis).

○     Goodpasture Syndrome – The immune system mistakenly attacks the lungs and kidneys.

○     IgA Nephropathy – An abnormal buildup of antibodies damages the kidney’s filtering system.

3.    Vasculitis (Blood Vessel Diseases):

○     Conditions like polyarteritis nodosa and granulomatosis with polyangiitis can cause kidney inflammation.

4.    Other Causes:

○     Diabetes – Long-term diabetes can lead to glomerular damage (diabetic nephropathy).

○     High Blood Pressure – Chronic hypertension puts strain on kidney vessels.

○     Genetic Factors – Some forms of glomerulonephritis run in families.

Diagnosis of Glomerulonephritis

Early diagnosis is key to managing glomerulonephritis and preventing kidney failure. A doctor may recommend several tests:

1.    Urinalysis – A urine test checks for blood, protein, or other abnormalities.

2.    Blood Tests – These assess kidney function by measuring waste products like creatinine and urea.

3.    Kidney Biopsy – A small tissue sample from the kidney helps determine the severity and cause of inflammation.

4.    Imaging Tests – Ultrasounds or CT scans provide detailed pictures of kidney size and structure.

5.    Antibody Tests – The tests evaluate immune system activity which may harm the kidneys.

Treatment Options for Glomerulonephritis

Treatment depends on the cause, severity, and whether the condition is acute or chronic.

Medications for Glomerulonephritis

1.    Steroids (Corticosteroids) – These medications serve to decrease inflammation and minimize immune response activity.

2.    Immunosuppressants – Medications like cyclophosphamide or mycophenolate mofetil help control autoimmune-related inflammation.

3.    Blood Pressure Medications – ACE inhibitors or ARBs help reduce protein loss and protect the kidneys.

4.    Diuretics – These help remove excess fluids and reduce swelling.

5.    Antibiotics – If an infection is the cause, antibiotics can help clear it.

Dialysis for Glomerulonephritis Management

For severe cases where kidney function is significantly impaired, dialysis may be necessary to remove waste and excess fluids from the blood.

Plasmapheresis Treatment for Glomerulonephritis

This procedure filters harmful antibodies from the blood, often used in autoimmune-related cases.

Kidney Transplant for Severe Glomerulonephritis

In advanced stages, a kidney transplant may be the best option when other treatments fail.

Diet for Glomerulonephritis

A proper diet can help manage symptoms and prevent further kidney damage. Here are important dietary guidelines:

1.    Reduce Sodium Intake – Limiting salt helps control blood pressure and reduce swelling.

2.    Monitor Protein Intake – Too much protein can strain the kidneys, so portion control is important.

3.    Limit Potassium – If kidney function declines, excess potassium can build up and cause heart issues. Foods like bananas, oranges, and potatoes should be eaten in moderation.

4.    Control Phosphorus – High phosphorus levels can weaken bones. Dairy, nuts, and processed foods should be limited.

5.    Stay Hydrated – Drinking enough water helps the kidneys function properly but should be balanced if fluid retention is an issue.

6.    Avoid Processed Foods – Packaged foods contain preservatives and high sodium, which can worsen kidney problems.

7.    Increase Antioxidant-Rich Foods – Fruits and vegetables like berries, bell peppers, and cabbage can reduce inflammation.

8.    Monitor Sugar Intake – If diabetes is a contributing factor, keeping blood sugar under control is crucial.

Glomerulonephritis is a serious condition that affects kidney function and overall health. Recognizing the symptoms early can lead to prompt treatment and better outcomes. The condition has various causes, including infections, autoimmune disorders, and high blood pressure. Diagnosis typically involves urine and blood tests, imaging, and biopsies. Treatment depends on the cause and severity, with options including medications, lifestyle changes, and in severe cases, dialysis or transplantation. Following a kidney-friendly diet can also help manage symptoms and prevent complications. If you experience persistent swelling, blood in the urine, or high blood pressure, seeking medical attention is essential for protecting your kidney health.