🫩Fighting "Brain Fog"

Fighting "Brain Fog": 

How uremia (toxin buildup) and long treatment hours can cause fatigue. Plus lifestyle tips for maintaining emotional and mental well-being, both during treatment and afterwards. [1, 2, 3, 4, 5]

Uremic toxins (waste buildup) and long treatment hours cause "brain fog" and fatigue by overwhelming the nervous system, draining red blood cells, and causing sudden shifts in body fluids and blood pressure. Effectively managing this requires balancing treatment, pacing your daily energy, and nurturing your emotional health. [1, 2, 3, 4, 5]

Why Does "Brain Fog" and Fatigue Happen?

1. Uremic Toxins and the Brain
When your kidneys don't work correctly, they fail to filter out waste products like urea, certain salts, and other toxins. These substances build up in your bloodstream and eventually reach the brain. [1, 2, 3, 4, 5]

• Toxin Overload: These compounds essentially act as low-level toxins to nerve cells, slowing down how quickly your brain processes information, remembers things, and focuses. [1, 2]
• Metabolic Acidosis: The kidneys also balance acids in the body. When they fail, the blood becomes slightly more acidic, which disrupts brain function and triggers feelings of mental confusion and severe lethargy. [1, 2]

2. Long Treatment Hours and the Dialysis Effect
While dialysis saves lives, the treatment itself is physically demanding and exhausting. [1, 2, 3]

• The Cleaning Process: Dialysis works by pulling blood out, cleaning it, and returning it. This process can cause sudden shifts in blood volume, blood pressure, and electrolytes (like sodium and potassium). These sudden changes lead to headaches, dizziness, and that drained feeling known as "post-dialysis fatigue". [1, 2, 3, 4, 5]
• Energy Drain: Many patients report that being hooked up to a machine for several hours is a heavy mental and physical burden, often requiring hours of sleep or rest just to recover from a single session. [1, 2]
• Anemia: Diseased kidneys produce less erythropoietin (EPO), a hormone needed to make red blood cells. With fewer red blood cells carrying oxygen, your brain and muscles become chronically exhausted. [1, 2]

Lifestyle Tips for Mental and Emotional Well-Being

1. Pace Your Mental Energy

• Optimize your "peak hours": Pay attention to when you feel sharpest. Do your most important tasks (like making phone calls or paying bills) during these clear-headed windows. [1]
• Automate and simplify: Don't hesitate to use physical memory aids, like sticky notes on the fridge, pill minders, or physical calendars, so you don't spend valuable energy trying to remember small daily details. [1, 2]

2. Fine-Tune Your Nutrition and Fluid Management [1, 2]

• Control fluid intake: Drinking too much fluid between treatments forces your body (and your brain) to hold onto excess water, leading to tissue swelling and cognitive sluggishness. [1]
• Watch for specific triggers: Some people find that certain foods (like too much dairy or gluten, aspartame, or MSG) can worsen their brain fog. Keep a food diary to see if any specific meals correlate with low-energy days. [1]
• Target deficiencies: Talk with your care team about checking your Vitamin B12 and Vitamin D levels. Supplements can make a noticeable difference in energy if you are deficient. [1]

3. Manage the Physical Toll [1]

• Fight anemia: Anemia is a leading cause of deep fatigue. Work closely with your care team to monitor your iron and red blood cell counts, ensuring your body has the oxygen it needs.
• Keep moving: Though it’s the last thing you might want to do when tired, moderate, doctor-approved exercise (like a short walk) can help. Some users on Reddit note that a little caffeine or a structured stretching routine can help perk them up before treatments.
• Dialysis adjustments: If post-treatment fatigue is severe, discuss your treatment schedule with your nephrologist. In some cases, shifting to longer, more frequent, or nocturnal dialysis yields better toxin removal and less drastic fluid shifts, resulting in significantly more energy during your days off the machine. [1, 2, 3, 4, 5]

4. Nurture Your Emotional Well-Being [1]

• Embrace the "new normal": Many patients—and stories shared on Kidney Care Outreach—highlight that fatigue can sometimes be an inescapable part of the condition. Pushing through purely by "force of will" often makes things worse. Give yourself permission to rest and listen to your body.
• Seek mental health support: Chronic illness can be mentally and emotionally draining, sometimes causing anxiety or depression. Consider speaking with a therapist, counselor, or social worker who specializes in chronic illness to help you process these life changes. [1, 2, 3, 4, 5]

Where I fall under this spectrum:

I often get brain fog, and it's not just right after dialysis. About an hour after my treatment, I get super tired. I usually get home around 1:30 pm, eat a light, bland lunch. Strong flavors make me nauseous after dialysis.

After I eat (just a little), I nap until about 3:30-4:00 pm. Then I try to blog or post on Facebook until around 5:30 pm, when I have a light meal (if I can even stomach anything). By 6:15-6:30 pm, I'm really dragging, so I go to bed and usually sleep through the night.

In the morning, I'm usually wide awake and well-rested (I wake up around 2:00 am). That's when I'm most productive (between 2:00 am and 2:00 pm on the days after dialysis). I still need to nap on those days and go to bed early, but it's not as bad the next day.

When I'm in that brain fog, my judgment's impaired, and I have to ask for help more often. I tend to stay quiet and find that my balance is a bit shakier than normal. I have neurological issues that affect my balance. Besides sleepiness and quirky taste buds, that's all that affects me. 

I definitely pick the best times of the day to be productive. I'm not able to sleep during treatments because there's too much going on in the room, so I do my blogging and challenges on my tablet at that time. It's also when I'm the most alert.

I also "cut myself some slack" in the feels department. Being so sleepy, I tend to get overly emotional, impatient, and short-tempered after dialysis, so I usually try and give myself a bit of a pause before I speak. That brief break gives me a chance at finding clarity and using better judgment. If that doesn't work, I just excuse myself to bed for a rest. Sometimes time and distance gives me that clarity.

How about you? Do you experience the same or different symptoms during and post treatments? Email me and share your experiences. I hope your day gives you clarity and fair judgement in all you do.

Tina

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