@dad0229 I am 68, stage 3b, eGFR was in the stage 5 area 2 1/2 years ago. My Creatin back then was 6+. For about 2 years, my Creatin was around 2.02 - 2.24. In the past 8 months, is has fallen to 1.89 and my eGFR is around 38. All other blood levels are normal. You talk about the dizzy - lightheaded feeling. I had that issue. For a time, it seemed to be blood pressure meds I was getting used to. Since my initial diagnosis 2 1/2 years ago, I've worked hard to get some walking in. At first, I was barely able to walk around our cul-de-sac 5 times. After about 8 days, I worked up to 10 trips around. Summer came, I made it a point to walk each day. Now, when it's summer, I can easily go 2 1/2 miles. I've even been out playing golf - though nowadays you're required to use a motorized cart. My dizzy, lightheaded feeling didn't completely disappear. Then my nephrologist switched my BP medicine and it got worse. My home check on BP revealed it to be as low as 78/59. Consulting with my nephrologist, he ordered me to cut the pills in half. I did that, my BP improved to 118/83. However, when visiting my primary doctor, I mentioned the dizzy feeling happening when I would stand from a sitting position, getting off the ground doing gardening, putting a golf tee in the ground, etc. He told me to do some counter-top grabbing (for stability) deep knee bends. Start with just a few and build-up to 10-12, try to do a couple of sets per day. Without knowing your complete situation, I'm not saying this will work for you, not saying it as a recommendation unless your doctor agrees, but it has REALLY helped my situation. I believe he referred to it as a type of edema, fluid buildup in the legs. The exercise strengthens the muscles so fluid is more easily removed from the area. My nephrologist has noticed only a very slight swelling in the ankles, but apparently that's enough to cause my dizzy feeling. Hope you find this helpful.