Proper blood pressure is crucial for kidneys because they rely on a steady, healthy flow to filter waste and toxins, but high pressure damages delicate kidney blood vessels, reducing filtration and causing fluid/waste buildup, creating a harmful cycle that can lead to kidney failure. Kidneys also help regulate blood pressure, so damaged ones can't do this effectively, worsening the problem.
High blood pressure can constrict and narrow the blood vessels in your kidneys, which reduces blood flow and stops the kidneys from working well. When this happens, the kidneys are not able to remove all wastes and extra fluid from your body.
About 1 in 5 adults with high blood pressure have chronic kidney disease (CKD). Kidney damage or disease can cause blood pressure to rise, and uncontrolled blood pressure can further damage your kidneys. This cycle can lead to serious complications, including chronic kidney disease (CKD) or kidney failure.
Lowering your blood pressure will help you avoid kidney damage and may slow the progression of kidney disease if you already have it.
Tips to protect your kidneys and heart
Keep your blood pressure below 140/90 mm Hg (or ask your doctor what the best blood pressure target is for you). Check your blood pressure regularly. Take medications as prescribed.
Several observational studies have demonstrated that low blood pressure (BP) is associated with a high risk of cardiovascular (CV) events, end-stage renal disease (ESRD), and mortality in patients with chronic kidney disease (CKD)1, 2, 3 or maintenance dialysis.
Make healthy food choices
Eat healthy meals, and cut back on salt and added sugars. Aim for less than 2,300 milligrams of sodium each day. Try to have less than 10 percent of your daily calories come from added sugars. Choose foods that are healthy for your body.
Diabetes and high blood pressure are the top culprits damaging kidneys most, as they harm the delicate filtering blood vessels, leading to chronic kidney disease (CKD) and failure; other major factors include smoking, obesity, dehydration, poor diet (high sugar/salt/red meat), certain medications (NSAIDs), lack of sleep, and genetic conditions. These factors create a cycle where damaged kidneys worsen blood pressure, further damaging them.
The kidneys are the organs that filter the blood, regulate volume and blood pressure and make urine. The renal veins return blood from the kidneys back to the main circulation.
a blood test that checks how well your kidneys are filtering your blood, called GFR, which stands for glomerular filtration rate. a urine test to check for albumin. Albumin is a protein that can pass into the urine when the kidneys are damaged.
Symptoms of kidney disease
A recent meta-analysis confirmed the hypothesis that combined aerobic and resistance exercise is beneficial for improving renal function in adult patients with CKD. There was a significant improvement in the eGFR and serum creatinine levels and a decline in the systolic and diastolic blood pressure.
The increased pressure within your blood vessels can damage the tiny filtering structures — called nephrons — in the kidneys. As a result, your kidneys' ability to filter waste and excess fluids from the blood decreases, leading to a reduced glomerular filtration rate (GFR).
If your kidneys aren't working properly, you may notice one or more of the following signs:
The extra fluid in your body can raise your blood pressure and force your heart to work harder. It can also make it hard for you to breathe. Most of your body is made up of water. The body uses minerals like sodium and potassium to help organs such as your heart, kidneys, and liver balance how much water you need.
Water is the best beverage for supporting kidney health. It helps flush out toxins, maintains electrolyte balance, and prevents dehydration. Drinking at least 8–10 glasses of water daily is essential for anyone in recovery, especially those enrolled in an Alcohol Treatment Program or Drug Rehab Programs.
Even mild forms of high blood pressure can damage kidneys over several years. As if that weren't enough, having high blood pressure also raises your risk for heart disease and stroke, leading causes of death in the U.S.
Can Hydration Help Lower Blood Pressure? Staying well hydrated can help prevent temporary spikes in blood pressure. However, drinking water is not a treatment for high blood pressure. In fact, drinking too much water can sometimes raise your blood pressure.
We all experience stress. It's part of life. But too much stress can contribute to poor health, increasing our blood pressure and damaging our kidneys.
8 Surprising Ways You May Be Hurting Your Kidneys
The top 10 drugs commonly linked to kidney damage
Diabetes. Diabetes is the leading risk factor for kidney disease and the most common cause of kidney failure. High blood sugar from diabetes damages your kidneys and lowers their ability to filter waste and fluid from your blood. Over time, this causes kidney disease.
Here's a breakdown of the six most common supplements people with CKD may need to support kidney health.
Acute kidney failure can be caused by factors like severe dehydration, infections, or blockages. The good news is that with the right treatment, it's often possible to reverse kidney disease in these cases. Your kidneys can return to normal function after the underlying issue is resolved.
Top 15 Healthy Foods for People with Kidney Disease