Significance of Low Creatinine Levels in Health

Creatinine is a by-product of muscle metabolism. It forms when your muscles break down a compound called creatine, which is responsible for supplying energy to muscle cells. Since creatinine is filtered out of the body through the kidneys, it serves as an important marker of kidney function, like:

• Normal creatinine levels vary depending on age, gender, and muscle mass.

• Lower than normal levels may not always be harmful, but could point to conditions that need medical attention.

• Higher levels often indicate impaired kidney function.

Creatinine levels reflect how well your kidneys and muscles are working.

Healthcare providers usually check creatinine levels through blood and urine tests. These tests help determine if your kidneys are filtering waste effectively.

Types of tests include:

• Serum creatinine test

Measures creatinine in your blood.

• Creatinine clearance test

Compares creatinine levels in urine and blood to assess kidney efficiency.

• eGFR (Estimated Glomerular Filtration Rate)

Uses creatinine levels along with age, sex, and other factors to evaluate kidney function.

These tests are often part of routine health screenings. If you are covered under family health insurance, such diagnostic checks may be included, ensuring the affordability of preventive healthcare.

While much focus is placed on high creatinine levels, low creatinine can also provide important health clues. The significance of low creatinine lies in its connection to several underlying issues.

Here are the possible causes of low creatinine:

• Reduced muscle mass

Common among older adults, those with sedentary lifestyles, or people with muscle-wasting conditions.

• Poor nutrition

Inadequate protein intake can lead to lower creatinine production.

• Liver diseases

Since creatine is produced in the liver, problems with liver function may lower creatinine.

• Pregnancy

Increased blood volume during pregnancy can temporarily lower creatinine levels.

• Chronic illnesses

Conditions, such as long-term infections or inflammatory diseases, can reduce muscle tissue, resulting in lower creatinine.

Low creatinine levels may indicate the body is not building or maintaining enough muscle, which can weaken overall health. In some cases, it could be an early warning sign of underlying diseases that require timely medical attention.

High creatinine levels are usually taken more seriously because they are often linked to kidney damage or disease.

Common causes of high creatinine include:

• Kidney dysfunction
Impaired kidney function reduces the ability to filter waste.

• Dehydration
Lack of fluids can raise creatinine levels temporarily.

• Medications
Certain drugs may affect creatinine measurements.

• High protein diet
Excessive protein intake can increase creatinine.

Potential health risks of high creatine levels are:

• Chronic kidney disease (CKD)

• Acute kidney injury (AKI)

• Hypertension and diabetes-related complications

Given the medical expenses related to kidney care, having health insurance for senior citizens or parents health insurance can help cover treatment costs, regular tests, and hospitalisation.