Unusually tired and Continuous, unexplained weight loss

On this page you can find conditions that could be the cause of these symptoms although it is not a complete list of possible conditions.

Please note that if you have these symptoms, they may be unrelated to any of these conditions listed. If you are concerned about your symptoms then you should see a doctor.

Information written and reviewed by Certified Doctors.

Conditions

Chronic Lymphocytic Leukaemia

Leukaemia is cancer of the white blood cells.


Symptoms of this condition may include:

  • Continuous, unexplained weight loss
  • Shortness of breath
  • Unusually tired
  • High temperature
  • Bloated stomach

Our Health A-Z contains more information on Chronic Lymphocytic Leukaemia.

If you are worried about this condition you can try our free AI Symptom Checker here.

Crohn's disease

Crohn’s disease is a long-term condition that causes inflammation of the lining of the digestive system.


Symptoms of this condition may include:

  • Diarrhoea
  • Abdominal pain
  • Unusually tired
  • Stomach cramps
  • Change in bowel habit

Our Health A-Z contains more information on Crohn's disease.

If you are worried about this condition you can try our free AI Symptom Checker here.

Gluten Intolerance

Coeliac disease is a common digestive condition where the small intestine becomes inflamed and unable to absorb nutrients.


Symptoms of this condition may include:

  • Diarrhoea
  • Bloated stomach
  • Unusually tired
  • Continuous, unexplained weight loss
  • Passing excessive wind

Our Health A-Z contains more information on Gluten Intolerance.

If you are worried about this condition you can try our free AI Symptom Checker here.

Liver cancer

Primary liver cancer is a rare but serious type of cancer that begins in the liver.


Symptoms of this condition may include:

  • Yellow skin or eyes
  • Bloated stomach
  • Loss of appetite
  • Vomiting
  • Feel full quickly

Our Health A-Z contains more information on Liver cancer.

If you are worried about this condition you can try our free AI Symptom Checker here.

Lung cancer

Lung cancer is one of the most common and serious types of cancer.


Symptoms of this condition may include:

  • Continuous, unexplained weight loss
  • Cough
  • Shortness of breath
  • Unusually tired
  • Loss of appetite

Our Health A-Z contains more information on Lung cancer.

If you are worried about this condition you can try our free AI Symptom Checker here.

Multiple myeloma

Multiple myeloma, also known as myeloma, is a type of bone marrow cancer.


Symptoms of this condition may include:

  • Lower back pain
  • Continuous, unexplained weight loss
  • Unusually tired
  • Hip pain
  • Easy bruising

Our Health A-Z contains more information on Multiple myeloma.

If you are worried about this condition you can try our free AI Symptom Checker here.

Non-Hodgkin's lymphoma

Non-Hodgkin's lymphoma is a cancer of the lymphatic system.


Symptoms of this condition may include:

  • Swollen glands
  • Excessive sweating at night
  • Unusually tired
  • Continuous, unexplained weight loss
  • High temperature

Our Health A-Z contains more information on Non-Hodgkin's lymphoma.

If you are worried about this condition you can try our free AI Symptom Checker here.

Pancreatic Cancer

Around 8,000 people are diagnosed with pancreatic cancer (also known as cancer of the pancreas) each year.


Symptoms of this condition may include:

  • Yellow skin or eyes
  • Continuous, unexplained weight loss
  • Unusually tired
  • Feeling sick or nausea
  • Itchy skin

Our Health A-Z contains more information on Pancreatic Cancer.

If you are worried about this condition you can try our free AI Symptom Checker here.

TB

Tuberculosis (TB) is a bacterial infection spread through inhaling tiny droplets from the coughs or sneezes of an infected person.


Symptoms of this condition may include:

  • Excessive sweating at night
  • Loss of appetite
  • Unusually tired
  • Cough
  • Continuous, unexplained weight loss

Our Health A-Z contains more information on TB.

If you are worried about this condition you can try our free AI Symptom Checker here.

Type 2 diabetes

Diabetes is a lifelong condition that causes a person's blood sugar level to become too high.


Symptoms of this condition may include:

  • Passing more urine than usual
  • Unusually tired
  • Unusually thirsty
  • Continuous, unexplained weight loss
  • Passing urine at night frequently

Our Health A-Z contains more information on Type 2 diabetes.

If you are worried about this condition you can try our free AI Symptom Checker here.