March is Kidney Disease Awareness Month, but for millions of people, kidney disease is something they don’t think about — until it becomes a crisis.
Chronic kidney disease (CKD) is one of the most underdiagnosed and misunderstood chronic conditions in the world. It progresses quietly. It often has no early symptoms. And by the time many people realize something is wrong, significant kidney damage has already occurred.
The purpose of awareness month isn’t fear — it’s empowerment.
This article will break down:
- How common chronic kidney disease really is
- Why it’s called the “silent disease”
- Who is most at risk
- The symptoms people often miss
- The two lab tests that detect kidney damage early
- What you can do right now to protect your kidney health
Because awareness without action changes nothing.
Testing changes everything.
How Common Is Chronic Kidney Disease?
One of the most alarming statistics about kidney disease is this:
Approximately 1 in 7 adults have chronic kidney disease.
That translates to more than 35 million adults in the United States alone.
Even more concerning?
About 90% of people with CKD do not know they have it.
That means millions of individuals are walking around with declining kidney function and no idea that damage is occurring.
Why does this happen?
Because kidney disease often develops gradually over years. And in its early stages, it usually does not cause noticeable symptoms.
Why Is CKD Called the “Silent Disease”?
Kidneys are remarkably resilient organs. You can lose a significant amount of kidney function before your body begins to show obvious warning signs.
In early CKD (Stages 1–3), many people:
- Feel normal
- Have normal urine output
- Experience no pain
- Notice no swelling
- Have no dramatic symptoms
Meanwhile, microscopic damage may be occurring inside the kidneys.
By the time symptoms such as fatigue, swelling, nausea, or changes in urination appear, kidney function may already be significantly reduced.
This is what makes CKD dangerous.
It is not loud.
It is not dramatic.
It is quiet.
And quiet conditions often go unchecked.
Understanding What Your Kidneys Actually Do
To understand why kidney disease matters, you have to understand what kidneys do.
Your kidneys are responsible for:
- Filtering waste products from your blood
- Regulating fluid balance
- Controlling blood pressure
- Balancing electrolytes like potassium and sodium
- Supporting red blood cell production
- Maintaining acid-base balance
When kidney function declines, these systems become dysregulated.
This is why advanced CKD can lead to:
- Fluid overload
- Dangerous potassium levels
- High blood pressure
- Bone disease
- Anemia
- Cardiovascular complications
Kidney health is deeply connected to heart health, vascular health, and metabolic health.
Who Is at Risk for Chronic Kidney Disease?
While anyone can develop CKD, certain groups are at significantly higher risk.
1. High Blood Pressure (Hypertension)
High blood pressure is both a cause and a consequence of kidney disease.
Over time, elevated pressure damages the small blood vessels inside the kidneys, reducing their ability to filter effectively.
2. Diabetes
Diabetes is the leading cause of kidney disease worldwide.
High blood sugar damages kidney filtering units (glomeruli), leading to protein leakage and progressive decline.
3. Heart Disease
The heart and kidneys are closely connected. Cardiovascular disease increases kidney risk, and kidney disease increases heart risk.
4. Family History
If a parent or sibling has kidney disease, your risk is higher.
5. Obesity
Obesity increases the likelihood of hypertension, diabetes, and metabolic stress — all of which strain the kidneys.
6. Age
Kidney function naturally declines slightly with age, but accelerated decline is not normal and should be monitored.
If you have even one of these risk factors, testing should be part of your routine healthcare.
Common Symptoms of Kidney Disease (When They Do Appear)
Although CKD is often silent early on, symptoms can emerge in later stages.
These may include:
- Fatigue or low energy
- Swelling in feet, ankles, or around the eyes
- Foamy urine (possible protein leakage)
- Changes in urination frequency
- Muscle cramps
- Nausea
- Shortness of breath
- Itching
- Difficulty concentrating
However, relying on symptoms alone is risky.
Many people feel fine until kidney function is significantly impaired.
That is why lab testing is essential.
The Two Lab Tests That Can Detect Kidney Disease Early
If you take nothing else from this article, remember this:
Two simple lab tests can detect kidney damage early.
1. eGFR (Estimated Glomerular Filtration Rate)
eGFR estimates how well your kidneys are filtering waste from your blood.
It is calculated using your creatinine level, age, sex, and other variables.
An eGFR of:
- 90+ may be normal (if no other signs of damage)
- 60–89 may indicate mild decrease
- Below 60 for 3 months or more suggests CKD
eGFR helps determine CKD stage and progression.
2. uACR (Urine Albumin-to-Creatinine Ratio)
This test measures how much protein (albumin) is leaking into your urine.
Protein leakage is often one of the earliest signs of kidney damage — even before eGFR declines significantly.
A normal uACR is typically under 30 mg/g.
Elevated levels may signal kidney stress or early damage.
Together, these tests provide a powerful early detection strategy.
Why Early Detection Matters
Kidney disease is not always reversible.
But progression is often influenceable.
When CKD is detected early, interventions may include:
- Blood pressure optimization
- Blood sugar control
- Medication adjustments
- Sodium reduction
- Weight management
- Exercise
- Stress management
- Avoiding nephrotoxic medications
- Treating metabolic acidosis
- Using kidney-protective medications when appropriate
The earlier damage is identified, the more tools are available to slow progression.
Waiting for symptoms limits options.
The Connection Between Kidney Disease and Heart Disease
Many people do not realize that kidney disease significantly increases cardiovascular risk.
In fact, people with CKD are more likely to die from cardiovascular disease than progress to kidney failure.
This is why kidney health cannot be separated from heart health.
Managing:
- Blood pressure
- Cholesterol
- Blood sugar
- Inflammation
- Body weight
is critical for protecting both organs.
Lifestyle Strategies to Protect Your Kidneys
While not all kidney disease is preventable, many protective strategies exist.
1. Control Blood Pressure
Aim for targets recommended by your healthcare provider.
2. Manage Blood Sugar
If you have diabetes, tight but safe glucose control reduces kidney stress.
3. Eat a Kidney-Conscious Diet
Depending on stage, this may include:
- Reducing sodium
- Monitoring potassium
- Managing phosphorus
- Choosing appropriate protein levels
- Emphasizing anti-inflammatory foods
4. Stay Physically Active
Regular movement improves blood pressure, insulin sensitivity, and vascular health.
5. Avoid Excess NSAIDs
Long-term overuse of certain pain medications can harm kidneys.
6. Stay Hydrated (But Not Excessively)
Hydration needs vary by individual.
Why March Matters
Awareness months serve a purpose.
They bring attention to conditions that often go unnoticed.
March is a reminder to:
- Schedule lab testing
- Review your numbers
- Ask questions
- Educate family members
- Share information
Kidney disease does not need to be invisible.
What To Do Right Now
If you are reading this, here is your simple action plan:
- Ask your doctor for eGFR and uACR testing.
- If you have high blood pressure or diabetes, ensure labs are checked regularly.
- Review your results and understand your stage (if applicable).
- Commit to daily kidney-protective habits.
- Share this information with someone you care about.
Testing is simple.
Prevention is powerful.
Silence is optional.
Summary: What You Should Remember
- Chronic kidney disease affects 1 in 7 adults.
- About 90% of people with CKD don’t know they have it.
- CKD is often silent in early stages.
- High blood pressure and diabetes are leading risk factors.
- Two simple tests — eGFR and uACR — detect early kidney damage.
- Early detection allows for intervention and slowed progression.
- March is the perfect time to get tested and raise awareness.
Awareness without action changes nothing.
Testing changes everything.
Cited Resources
- Centers for Disease Control and Prevention (CDC). Chronic Kidney Disease in the United States.
https://www.cdc.gov/kidneydisease - National Kidney Foundation (NKF). About Chronic Kidney Disease.
https://www.kidney.org/atoz/content/about-chronic-kidney-disease - National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). Chronic Kidney Disease.
https://www.niddk.nih.gov/health-information/kidney-disease - Kidney Disease: Improving Global Outcomes (KDIGO) Clinical Practice Guidelines.
https://kdigo.org - American Heart Association. Cardiovascular Disease and Chronic Kidney Disease.
https://www.heart.org
