Your liver is one of the most vital organs in your body, responsible for detoxification, digestion, and metabolism. However, when the liver isn’t functioning properly, it can lead to serious health issues. A liver function test (LFT) is a crucial diagnostic tool that evaluates how well your liver is working and identifies potential problems early.

So, when should you consider a liver function test? Let’s explore the signs, symptoms, and scenarios that might indicate it’s time to check on your liver health.


What is a Liver Function Test?

A liver function test measures specific enzymes, proteins, and substances in your blood to assess the liver's health and performance. Common components of the test include:

These tests provide valuable insights into whether your liver is functioning optimally or showing signs of distress.


Signs That You Might Need a Liver Function Test

Your body often sends warning signals when the liver isn’t functioning properly. Pay attention to these signs, which might indicate the need for a liver function test:

1. Persistent Fatigue

Unexplained tiredness or low energy levels could signal liver dysfunction, as the organ plays a key role in energy metabolism.

2. Jaundice

Yellowing of the skin or eyes occurs when bilirubin builds up in the blood due to liver issues.

3. Abdominal Pain or Swelling

Pain or bloating in the upper right abdomen might indicate liver inflammation or enlargement.

4. Dark Urine or Pale Stools