Loss of appetite is not just a matter of the mind! These can also be signs of physical diseases

By Samira Vishwas On Jan 10, 2026

Often people ignore loss of appetite by associating it with stress, anxiety or mental distress. But do you know that not feeling hungry for a long time can cause many signs of physical illness can also happen? If your appetite is continuously decreasing, it could be a warning from the body, ignoring which can prove harmful.

Common physical causes of loss of appetite

1. Digestive system problems

Problems like acidity, gas, constipation, ulcer or irritable bowel syndrome (IBS) cause loss of appetite. If digestion is not proper, the body reduces its desire for food.

2. Liver related diseases

Loss of appetite is also a common symptom of fatty liver, hepatitis or liver infection. Along with this, nausea, weakness and pain in the upper part of the stomach may be felt.

3. Thyroid disorder

In the case of hypothyroidism, metabolism slows down, which can lead to loss of appetite and changes in weight.

4. Infection or fever

Any kind of bacterial or viral infection reduces the energy of the body, which reduces the desire to eat.

5. Hormonal imbalance

Hormonal changes during periods, pregnancy or menopause in women can affect appetite.

When to be alert?

If these symptoms appear along with loss of appetite, contact a doctor immediately:

sudden weight loss
persistent fatigue and weakness
vomiting or nausea
stomach pain or swelling
Prolonged loss of appetite (more than 2 weeks)

What to do to increase appetite?

eat light and timely meals
Avoid fried foods
drink enough water
Adopt yoga and light exercise
get enough sleep

Why is testing necessary?

If loss of appetite is a symptom of some serious disease, then timely investigation and treatment is very important. The exact cause can be found out through blood test, thyroid profile or liver function test.

Loss of appetite is not just a result of mental stress. It can also be an early sign of many physical diseases. Therefore, do not take it lightly and take expert advice in time.