5 Signs Your Focal Segmental Glomerulosclerosis Treatment Is Working
Published on September 15, 2026
Treatment for focal segmental glomerulosclerosis (FSGS) helps manage symptoms like high blood pressure, swelling, and protein in your urine. FSGS causes scarring on the filters in your kidneys that remove waste products from your blood, which can lead to kidney damage and failure.
FSGS treatment options — like steroids or other drugs that calm your immune system — may give varied results depending on how severe it is. “Some patients may respond well to the initial therapy offered,” says Jeffrey Turner, MD, a Yale Medicine nephrologist and the codirector of the Yale Medicine nephrology hypertension clinic in New Haven, Connecticut. Others may need some trial and error with several therapies, he says.
Whether you notice signs that your FSGS treatment is working, or you worry it’s not helping, always talk to your provider before changing any aspect of your treatment.
1. Lower Blood Pressure
Improvement in high blood pressure, which is a common symptom of FSGS, can mean your treatment is working, says Dr. Turner.
The pressure inside your blood vessels pushes your blood through the filters in your kidneys. When FSGS causes some filters to get stiff, the others have to work harder. This signals chemicals that narrow your blood vessels and cause fluid retention, which both raise your blood pressure.
“Blood pressure control suggests the medications being given are controlling pressure in the kidney [aka intraglomerular hypertension],” says Zubin Lathara, MD, a nephrologist at SSM Health in Fond du Lac and Waupun, Wisconsin.
2. Less Swelling
Less swelling, especially in the lower extremities, could be a sign of effective treatment, says Turner. When kidney damage tells your body to hold on to fluid, that fluid collects, causing swelling in your arms, legs, or face (edema).
Swelling can also happen because of protein leaking into your urine (proteinuria). Protein in your blood helps keep fluid in your blood vessels, so if you lose too much in your urine, fluid can shift out of your bloodstream and into nearby tissues.
If you notice less puffiness around your eyes when you wake up or less swelling in your legs, it could signal improved kidney function.
3. More Energy
Kidney disease can cause fatigue, so if you have more energy, it may mean your treatment is having an effect. When your kidneys can’t filter your blood well, waste products build up.
This decreased kidney function leads to reduced levels of a hormone that drives your body to make new red blood cells. When this happens, your red blood cell levels can get low (anemia), which can cause extreme fatigue. But as your kidney function improves, your energy can, too.
4. Urine Changes
Too much protein in your urine can make it look foamy or bubbly when you pee, so if you notice this symptom improving, treatment may be working. “The improvement in the amount of protein in the urine is perhaps the most important sign that therapy is effective,” says Turner.
Less protein in your urine means the therapy for FSGS is reversing kidney cell injury, says Turner. Reducing lost protein can also protect against FSGS progressing to permanent kidney failure.
5. Weight Loss
Fluid retention with FSGS can also cause sudden weight gain. Your provider may tell you to call if you gain over two pounds (lb) per day for two days in a row, which can suggest your kidneys are leaking extra protein.
On the other hand, if your swelling and weight decrease, that could mean your treatment is helping your kidneys work better. Weight loss is a tricky marker for FSGS improvement, because so many other factors can affect weight. Even in people without FSGS or other illnesses, weight can fluctuate by up to 6 lb every day.
Sudden weight loss can also point to other medical problems, like cancer or diabetes. If you unintentionally lose over 5 percent of your body weight over 6 to 12 months, let your provider know.
What to Expect During FSGS Treatment
There are multiple treatment options for FSGS, says Turner. “If you are not seeing progress, it is important to speak with your kidney specialist about other treatment options that can be tried.” Your provider can give you specifics on how they expect treatment to work for you, he says.
The biopsy you get to determine your FSGS diagnosis can also help your doctor in other ways. “Going over the kidney biopsy report for each patient is crucial to lay the groundwork on expectations of recovery,” says Dr. Lathara. Your biopsy results give your provider important information about the progress of FSGS in your kidneys and can help guide treatment decisions and expectations, says Lathara.
While it’s fine to keep an eye out for the signs above, be sure to discuss any changing symptoms with your provider, says Lathara.
Resources We Trust
- Mayo Clinic: Focal Segmental Glomerulosclerosis (FSGS): Diagnosis and Treatment
- Cleveland Clinic: Focal Segmental Glomerulosclerosis (FSGS)
- National Kidney Foundation: Focal Segmental Glomerulosclerosis (FSGS)
- American Kidney Fund: People Living With FSGS Share What a Treatment Would Mean for Them
- American Association of Kidney Patients: Focal Segmental Glomerulosclerosis (FSGS)
EDITORIAL SOURCES
Everyday Health follows strict sourcing guidelines to ensure the accuracy of its content, outlined in our editorial policy. We use only trustworthy sources, including peer-reviewed studies, board-certified medical experts, patients with lived experience, and information from top institutions.
Resources
- Mascarenhas-Melo F et al. Focal Segmental Glomerulosclerosis: Comprehensive Review and Exploration of the Dual Potential of Cyclodextrins in Therapeutic Optimization. International Journal of Molecular Sciences. September 9, 2025.
- Focal Segmental Glomerulosclerosis (FSGS). Cleveland Clinic. August 6, 2026.
- Alsalloum MA et al. Management of Hypertension in Chronic Kidney Disease: Current Perspectives and Therapeutic Strategies. Frontiers in Medicine. October 29, 2025.
- High Blood Pressure & Kidney Disease. National Institute of Diabetes and Digestive and Kidney Diseases. March 2020.
- Signs and Symptoms of Kidney Disease. National Kidney Foundation. September 15, 2025.
- Lim YJ et al. Uremic Toxins in the Progression of Chronic Kidney Disease and Cardiovascular Disease: Mechanisms and Therapeutic Targets. Toxins. February 13, 2021.
- Focal Segmental Glomerulosclerosis (FSGS): Symptoms, Causes and Treatment. American Kidney Fund. August 19, 2026.
- Protein in Urine (Proteinuria). Cleveland Clinic. August 2, 2022.
- Zhu Y et al. Efficacy and Safety of Nine Immunosuppressive Agents for Primary Focal Segmental Glomerulosclerosis in Adults: A Pairwise and Network Meta-Analysis. Renal Failure. December 11, 2024.
- Focal Segmental Glomerulosclerosis (FSGS). National Kidney Foundation. June 30, 2026.
- Focal Segmental Glomerulosclerosis Triggers: How Symptom Tracking Can Help. Cleveland Clinic. September 30, 2025.
- 7 Possible Reasons Why Your Weight Fluctuates. Cleveland Clinic. July 26, 2024.
- Unexplained Weight Loss. Cleveland Clinic. August 5, 2024.
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