Understand My Kidney Health
Understand kidney health measurements, organize trends, and prepare questions for your care team.
Ask Murph to help
Protecting kidney function usually means slowing or preventing decline, not pushing an eGFR number upward. The most effective steps are controlling blood pressure and diabetes, using kidney-protective medicines when indicated, avoiding tobacco and kidney-toxic exposures, and following both filtration and urine albumin over time.
A single creatinine-based eGFR can shift with hydration, illness, recent meat intake, supplements, and muscle mass. Chronic kidney disease is defined by persistent abnormalities, not one mildly low result. Urine albumin can show kidney damage even when eGFR looks normal, so the two measures belong together.
What to do
- Control blood pressure. Use accurate home averages and follow the treatment plan. ACE inhibitors or ARBs are particularly important for some people with albuminuria, but your clinician owns dosing and monitoring.
- Manage diabetes safely. Glucose control reduces microvascular damage. SGLT2 inhibitors and other treatments can protect kidneys in eligible people beyond their glucose effect.
- Avoid routine excess NSAIDs. Ibuprofen, naproxen, and similar drugs can worsen kidney function in susceptible people, especially during dehydration or alongside certain medicines. Ask about safer pain options.
- Do not smoke. Tobacco damages blood vessels and speeds up cardiovascular and kidney risk.
- Eat for cardiovascular and kidney health. Favor minimally processed foods and avoid excess sodium. Protein, potassium, phosphorus, and fluid targets depend on kidney stage; severe restrictions are not automatically helpful.
- Stay active and address excess weight if relevant. Activity improves blood pressure, diabetes, function, and cardiovascular risk.
- Review medicines and supplements. Doses may need adjusting as kidney function changes. Multi-ingredient “detox” or bodybuilding products can be risky or muddy the picture.
- Plan around illness. Vomiting, diarrhea, fever, or poor intake can cause dehydration and medication risk. Ask for a written sick-day plan rather than guessing which medicines to hold.
A simple plan
Build a baseline: eGFR trend, urine albumin-to-creatinine ratio, home blood pressure, A1C if relevant, medication list, tobacco, and NSAID use. Ask what stage and cause are suspected, whether results have persisted for at least three months, and when to repeat them.
For eight weeks, take prescribed treatment consistently, measure blood pressure on a set schedule, replace frequent high-sodium convenience foods, avoid unplanned NSAID use, and keep up regular walking and strength activity at a safe level. If you have diabetes, work on the recurring glucose pattern with the biggest impact.
Set reminders for the lab monitoring required after certain medication starts or dose changes, and track results as a trend rather than as one-off events.
How to know it is working
What to expect
Kidney protection is a long game. Blood pressure may improve within weeks, urine albumin over months, and eGFR slope across longer follow-up. Some chronic loss cannot be reversed. The aim is to preserve function and reduce kidney failure and cardiovascular risk for as long as possible.
Ask for a clear monitoring schedule rather than ordering extra tests whenever worry spikes. It may include eGFR, potassium, UACR, blood pressure, and diabetes measures at different intervals. Keep a copy of the trend and your current medicine list for urgent visits, where kidney status can change choices about imaging contrast, pain treatment, and dosing.
