Home → Health Tools → Kidney Check

Kidney Health Risk Quiz for Seniors Over 60

Chronic kidney disease affects 40% of adults over 70 — and 90% don't know they have it until it's advanced. Answer 10 questions to assess your risk and learn how to protect your kidneys before damage becomes irreversible.

CKD risk screening10 questions, 90 secondsFree — no signup

The silent organ failure: Your kidneys can lose up to 75% of their function before you notice ANY symptoms. By that point, the damage is often irreversible. The only way to catch CKD early is through blood tests (GFR and creatinine). This quiz helps you understand whether you should be asking your doctor for kidney screening — which could save your kidneys and your life.

Assess Your Kidney Health Risk

Based on major CKD risk factors identified by the National Kidney Foundation
Question 1 of 10

💓 Do you have high blood pressure?

Question 2 of 10

🩸 Do you have diabetes or pre-diabetes?

Question 3 of 10

💊 Do you regularly use NSAIDs (ibuprofen, naproxen, aspirin)?

Question 4 of 10

👨‍👩‍👦 Does kidney disease run in your family?

Question 5 of 10

💧 How much water do you drink daily?

Question 6 of 10

🔬 When did you last have kidney function tested (GFR/creatinine)?

Question 7 of 10

🦵 Do you experience swelling in your ankles, feet, or hands?

Question 8 of 10

🚽 Have you noticed changes in urination?

Question 9 of 10

😴 Do you experience persistent fatigue or difficulty concentrating?

Question 10 of 10

💊 How many medications do you take daily?

💧
40 / 100
Moderate Risk
Several risk factors for kidney disease detected

Your kidney risk factor breakdown

Your kidney protection plan

Understanding kidney health after 60

Your kidneys filter about 200 quarts of blood daily, removing waste and excess fluid. After age 40, kidney function declines naturally at about 1% per year. By age 70, many seniors have lost 30-40% of their original kidney function. This natural decline combined with diabetes, hypertension, and medication use means nearly half of all adults over 70 have some degree of chronic kidney disease.

The two biggest kidney killers in seniors

Diabetes is the #1 cause of kidney failure — high blood sugar damages the tiny blood vessels in the kidneys over years. Approximately 40% of people with diabetes develop some degree of kidney disease. Hypertension is #2 — high blood pressure forces kidneys to work harder, gradually wearing them out. Together, diabetes and hypertension account for about 70% of all CKD cases.

Related: Diabetes Risk Quiz → | Blood Pressure Checker →

Sources: National Kidney Foundation, "CKD in the Elderly," 2023. KDIGO Clinical Practice Guidelines for CKD Evaluation and Management, 2024. CDC Chronic Kidney Disease Surveillance System.

NSAIDs — the hidden kidney danger

Ibuprofen (Advil, Motrin), naproxen (Aleve), and even high-dose aspirin reduce blood flow to the kidneys. Occasional use is fine for healthy kidneys, but regular daily use — common in seniors with arthritis — can cause or accelerate kidney damage. If you take NSAIDs regularly, ask your doctor about kidney-safer alternatives like acetaminophen (Tylenol) or topical treatments.

Hydration and kidney health

Adequate water intake is one of the simplest ways to protect your kidneys. Dehydration concentrates waste products, forcing kidneys to work harder. Chronic mild dehydration — common in seniors due to weakened thirst sensation — accelerates kidney decline. However, seniors with heart failure or advanced CKD may need to LIMIT fluids. Check your personal hydration target.

Related: Hydration Calculator →

CKD stages — what the numbers mean

Stage 1 (GFR 90+): Kidney damage with normal function — usually detected by protein in urine. Stage 2 (GFR 60-89): Mild decrease — common in seniors, may not need treatment if stable. Stage 3 (GFR 30-59): Moderate decrease — this is where most CKD is diagnosed. Requires monitoring and lifestyle management. Stage 4 (GFR 15-29): Severe decrease — nephrologist involvement essential, prepare for possible dialysis. Stage 5 (GFR under 15): Kidney failure — dialysis or transplant needed.

Supplements for kidney health

For seniors with HEALTHY kidneys: Omega-3 Fish Oil (2000mg — reduces kidney inflammation), CoQ10 (200mg — protects kidney cells), Alpha-Lipoic Acid (600mg — antioxidant protection), and adequate Vitamin D3. Critical warning: Seniors with existing CKD must avoid high-dose Vitamin C (oxalate risk), excess potassium, phosphorus supplements, and many herbal products. Always consult your nephrologist before starting any supplement if you have kidney disease.

See our guide: Kidney health supplements →

Frequently Asked Questions

CKD affects approximately 40% of adults over 70. Most people in early stages have no symptoms. Diabetes and high blood pressure are the two leading causes, accounting for about 70% of all CKD cases.
Early CKD usually has NO symptoms. As it progresses: swollen ankles/feet, fatigue, decreased appetite, nausea, foamy urine, urinating more or less, muscle cramps, difficulty concentrating, and itchy skin. By the time symptoms appear, significant function is often lost.
Normal GFR is above 90. For seniors, GFR naturally declines — 60-89 may be acceptable over 70 if stable. Below 60 is CKD stage 3. Below 30 is stage 4 (severe). Below 15 requires dialysis consideration.
Early-stage CKD can often be stabilized and sometimes partially reversed through BP control (under 130/80), blood sugar management, hydration, and reducing NSAIDs. Later stages can be slowed but not reversed. Early detection is critical.
For healthy kidneys: Omega-3, CoQ10, Alpha-Lipoic Acid, Vitamin D3. WARNING: Seniors with CKD must AVOID high-dose Vitamin C, excess potassium, and many herbal supplements. Always consult your nephrologist with existing kidney disease.
Yes — hypertension is the #2 cause of CKD. High BP damages tiny kidney blood vessels over years. Keeping BP under 130/80 is one of the most important things you can do for kidney protection.

Related health resources

💧 Kidney supplements 💓 BP Checker 🩸 Diabetes Risk 🥤 Hydration Calculator

Medical Disclaimer

This quiz is a risk screening tool based on major CKD risk factors identified by the National Kidney Foundation and KDIGO guidelines. It is NOT a medical diagnosis. Only blood tests (GFR, creatinine, urine albumin) can diagnose kidney disease. If your score suggests elevated risk, request kidney function testing from your doctor.

If you experience blood in urine, severe swelling, significant decrease in urination, or persistent nausea/vomiting, seek medical attention promptly.