About Glomerulonephritis
Glomerulonephritis is a kidney disease characterized by inflammation in the glomeruli, which are tiny filters responsible for removing waste and excess fluids from the blood. It can occur suddenly (acute) or develop gradually (chronic).
Glomerulonephritis can be primary, meaning it occurs without an accompanying condition, or secondary, caused by another disease like diabetes or lupus. The condition can lead to the leakage of blood and protein into the urine, resulting in symptoms such as swelling in different body parts, high blood pressure, and fatigue.
If left untreated, glomerulonephritis can lead to further kidney damage and potentially chronic kidney disease or end-stage renal disease. The specific symptoms and causes may vary depending on the type and underlying condition.
Glomerulonephritis, an inflammation of the glomeruli in the kidneys, can have various pathophysiologic causes. These include:
- Immune system abnormalities
- Genetic disorders
- Infections
- Certain medications
Non-modifiable risk factors for glomerulonephritis are factors that cannot change. These include:
- Tuberculosis and other infectious diseases like syphilis and viral infections (HIV, hepatitis B, and hepatitis C)
- Bacterial endocarditis (infection of the heart valves)
- Certain systemic diseases like Hodgkin's disease, sickle cell disease, and diabetes
Modifiable risk factors for glomerulonephritis are those that can be influenced or changed through lifestyle modifications. While there is limited research about modifiable risk factors for glomerulonephritis, some general modifiable risk factors for kidney disease include:
- Unhealthy eating habits
- Sedentary lifestyle
- High blood pressure
- Smoking
It's important to note that these are general risk factors for kidney disease and may not be specific to glomerulonephritis. Lifestyle modifications can help reduce the risk of kidney disease, but it's always best to consult with a healthcare professional for personalized advice.
The most common early symptoms of glomerulonephritis include:
- Puffiness of the face upon waking up
- Brown or bloody urine
- Decreased urination
- Coughing and shortness of breath due to fluid in the lungs
- High blood pressure
As glomerulonephritis progresses or becomes more severe, additional symptoms may occur, such as:
- Blood or protein in the urine
- Swollen ankles or face due to water retention
- Frequent urination during the night
- Bubbles or foam in the urine caused by excess protein
- Poor appetite, nausea, and vomiting (in kidney failure)
- Fatigue and disrupted sleep patterns with muscle cramps at night
- Dry and itchy skin
- Intense pain in the upper back behind the ribs (kidney pain)
It's important to note that some individuals with glomerulonephritis may not urinate for 2 or 3 days in severe cases. If you experience any of these symptoms, it's essential to consult with a healthcare professional for an accurate diagnosis and appropriate treatment.
To diagnose glomerulonephritis, the following examinations, tests, and procedures are commonly performed:
- Physical exam: The healthcare provider will look for physical signs of a medical problem, such as pain, swelling, or masses in the body.
- Lab tests: Blood draws and urine samples may be taken to check for abnormalities and assess kidney function.
- Imaging studies: X-rays or MRI scans may be recommended to visualize the kidneys and detect any structural abnormalities.
- Clinical procedures: Additional clinical procedures, such as hearing tests, may be performed depending on the symptoms.
To determine the stage or severity of glomerulonephritis, additional examinations, tests, and procedures may include:
- Further lab tests: More specialized lab tests may be ordered to evaluate specific markers and proteins related to kidney function.
- Biopsy: A kidney biopsy may be performed to obtain a small sample of kidney tissue for microscopic examination and to determine the underlying cause of glomerulonephritis.
- Imaging studies: Additional imaging studies, such as ultrasound or CT scans, may be used to assess the extent of kidney damage.
It's important to follow up with your healthcare provider if your symptoms worsen or change after the initial examination. They will guide you through the diagnostic process and recommend appropriate tests and procedures.
The goals of treatment for glomerulonephritis are to:
- Induce and maintain remission: Immunosuppressive medications are used to reduce inflammation and control the immune response, which helps to achieve remission and prevent disease progression. These medications may include corticosteroids, immunosuppressive drugs, and biologic agents like rituximab.
- Control blood pressure: High blood pressure is a common symptom of glomerulonephritis and can further damage the kidneys. Medications such as angiotensin-converting enzyme (ACE) inhibitors or angiotensin II receptor blockers (ARBs) are often prescribed to help lower blood pressure and reduce protein loss in the urine.
- Reduce proteinuria: Proteinuria, or the presence of excess protein in the urine, is another hallmark of glomerulonephritis. Medications like ACE inhibitors or ARBs can help reduce protein loss in the urine and slow down disease progression.
- Manage edema: Diuretics, also known as water pills, may be prescribed to help relieve edema by removing excess fluid from the body.
- Treat underlying infections: In cases where glomerulonephritis is caused by an infection, targeted antibiotic therapy or antiviral treatment may be recommended to control the infection and improve kidney function.
- Promote kidney health: Health behavior changes such as maintaining a healthy diet low in sodium and protein, staying hydrated, quitting smoking, managing stress levels, and exercising regularly can help support kidney health and overall well-being.
It's important to note that treatment for glomerulonephritis can vary depending on the underlying cause, symptoms, and extent of kidney damage. It is always recommended to consult with a healthcare professional for personalized treatment recommendations.
Medication dosing may be affected by many factors. Check with your healthcare professional about dosing for your individual situation. Other side effects can occur. Check with your healthcare professional or read the information provided with your medication for additional side effect information.