Glomerulonephritis is a group of conditions that affect the tiny filters in the kidneys called glomeruli, leading to inflammation and damage. There are several types of glomerulonephritis, each with its unique characteristics and causes. Understanding these types is crucial for proper diagnosis and treatment. Here are some common types of glomerulonephritis:

1. IgA Nephropathy: Also known as Berger's disease, this is one of the most common types of glomerulonephritis. It occurs when an antibody called immunoglobulin A (IgA) builds up in the kidneys, causing inflammation and damage to the glomeruli.

2. Membranous Nephropathy: In this type, thickening of the glomerular basement membrane occurs due to the immune system attacking the kidneys. It can lead to proteinuria (excess protein in the urine) and, in some cases, nephrotic syndrome.

3. Membranoproliferative Glomerulonephritis (MPGN): This is a rare type of glomerulonephritis that involves abnormal growth of cells in the glomeruli. It can be caused by immune system disorders, infections, or certain diseases like hepatitis C.

4. Minimal Change Disease: This type mostly affects children, and its name comes from the fact that the kidney cells show minimal changes under a microscope. It is a common cause of nephrotic syndrome in children.

5. Rapidly Progressive Glomerulonephritis (RPGN): This is a severe form of glomerulonephritis that progresses rapidly, leading to kidney failure within weeks to months. It can be caused by autoimmune diseases or infections.

6. Lupus Nephritis: This type of glomerulonephritis is a complication of systemic lupus erythematosus (SLE), an autoimmune disease. The immune system attacks the kidneys, causing inflammation and damage to the glomeruli.

7. Alport Syndrome: A genetic condition that affects the glomeruli and the basement membrane of the kidneys. It can lead to kidney failure and hearing loss.

8. Post-Infectious Glomerulonephritis: This type occurs after certain infections, such as strep throat or skin infections caused by certain bacteria. It usually resolves on its own but can sometimes lead to complications.

It's essential to consult a healthcare provider for a proper diagnosis and individualized treatment plan if you suspect you have glomerulonephritis. Treatment may involve medications to control blood pressure, reduce inflammation, and manage symptoms, as well as lifestyle changes to protect kidney function.