Have you ever experienced frequent lower back pain, unexplained swelling, or foamy urine—but dismissed these symptoms as something minor? The truth is that your kidneys work around the clock, 24 hours a day, without ever taking a break. What's even more concerning is that kidney disease often develops silently, with few noticeable symptoms until significant damage has already occurred.

Many people don't realize that the kidney-damaging habits they practice every day may gradually weaken their kidneys over time. Eventually, these habits can lead to chronic kidney disease (CKD), particularly in older adults, or even end-stage kidney disease (ESKD), where lifelong dialysis becomes necessary. In this article, we'll explore seven common habits that put your kidneys at risk, along with the warning signs you should never ignore.

7 Everyday Habits That Can Damage Your Kidneys

1. Not Drinking Enough Water

Your kidneys filter waste products from your blood and remove them through urine. When you don't drink enough water, your kidneys have to work harder to eliminate waste with less fluid. Over time, this increases the risk of kidney stones and accelerates kidney function decline.

2. Frequently Holding Your Urine

Regularly delaying urination allows urine to remain in the bladder for too long, increasing the risk of urinary tract infections (UTIs). If left untreated, these infections can spread to the kidneys and cause serious complications.

3. Eating Too Much Salt

Excess sodium causes your body to retain water and raises blood pressure. High blood pressure is one of the leading causes of kidney damage because it injures the tiny blood vessels responsible for filtering waste, speeding up the progression of kidney disease.

4. Taking Painkillers or Unprescribed Medications Without Medical Advice

Long-term use of NSAIDs (non-steroidal anti-inflammatory drugs) or unregulated medications can directly damage kidney function. These drugs are also a common cause of acute kidney injury (AKI), especially when taken in high doses or for prolonged periods.

5. Poorly Controlled High Blood Pressure or Diabetes

Diabetes and hypertension are the two leading causes of chronic kidney disease worldwide. When blood sugar or blood pressure remains uncontrolled, the delicate filtering units in the kidneys gradually become damaged—often without any obvious symptoms.

6. Not Getting Enough Sleep

Chronic sleep deprivation affects blood pressure regulation and your body's metabolism, both of which play an important role in maintaining healthy kidney function over the long term.

7. Taking Supplements or Herbal Products Excessively

Some dietary supplements and herbal remedies may contain substances that can be harmful to the kidneys, particularly when taken in excessive amounts or if they are not manufactured to proper safety standards.

Warning Signs Your Kidneys May Be Working Too Hard

Watch for these symptoms:

• Swelling, especially around the eyes, ankles, or legs

• Foamy urine or reduced urine output

• Persistent fatigue or unusual tiredness

• High blood pressure without an obvious cause

• Chronic pain in the lower back or flank area

If you experience any of these warning signs, consult a healthcare professional as soon as possible. Early detection can significantly slow the progression of kidney disease.

People at Higher Risk

Older adults require special attention because kidney function naturally declines with age. The risk increases substantially if they also have underlying conditions such as diabetes or high blood pressure. Regular kidney health check-ups are highly recommended, especially for seniors, as early diagnosis allows for timely treatment and better long-term outcomes.

Do You Need Dialysis If You Have End-Stage Kidney Disease?

When kidney disease progresses to Stage 5 Chronic Kidney Disease (CKD), also known as End-Stage Kidney Disease (ESKD), the kidneys can no longer effectively remove waste products or maintain the body's fluid balance.

At this stage, kidney replacement therapy becomes necessary. The most common treatment is hemodialysis, which uses a dialysis machine to remove waste, toxins, and excess fluid from the blood when the kidneys are no longer able to perform these essential functions.

Kidney Care and Nutrition for Dialysis Patients

Kidney care doesn't end with dialysis treatments. Nutrition plays a crucial role in maintaining overall health and reducing complications.

Patients undergoing dialysis should follow dietary recommendations provided by their doctor or renal dietitian, including appropriate limits on:

• Sodium

• Potassium

• Phosphorus

• Daily fluid intake

Proper nutrition helps reduce stress on the body between dialysis sessions and lowers the risk of complications such as fluid overload and uncontrolled blood pressure.

Conclusion

Small daily habits—such as drinking too little water, consuming excessive salt, or taking medications without proper guidance—can slowly damage your kidneys without you realizing it. Over time, these habits may lead to chronic kidney disease and eventually the need for dialysis, especially among older adults who are already at higher risk.

If your loved one is living with kidney failure and requires dialysis treatment, Pattaya Dialysis is here to provide compassionate, high-quality care. Our experienced team of nephrologists and dialysis nurses uses dialysis machines that meet the standards of the Nephrology Society of Thailand, ensuring safe and effective treatment in a warm, comfortable environment that feels like home.

We are open daily from 6:00 AM to 8:00 PM. Contact us today to schedule an appointment and help your loved one enjoy a better quality of life