7 Health Conditions That Can Cause Sudden Weight Loss

Sudden weight loss that is unintended can be due to underlying health conditions, know common causes of having this weight loss.

Puru Bansal
Written by: Puru BansalUpdated at: Feb 14, 2022 15:38 IST
7 Health Conditions That Can Cause Sudden Weight Loss

Many people consider weight loss to be boon, but it is not the case every time. In certain cases, there can be a sudden weight loss that could be a symptom of some serious condition occurring in the body. Sudden changes in the body that causes weight loss or weight gain can be dangerous to your health and therefore you need to know the reasons behind it in order to stop adversities from happening. You need to understand that if there is decrease in weight without any intentional activity, then it could be lead to medical complications. Today we will discuss about common conditions that may be behind these cause.


Health Conditions That Could Cause Sudden Weight Loss

1. Muscle Loss

One of the problems that usually occur in older adults that causes sudden weight loss is because of muscle loss. Muscle loss is a common problem because muscle mass start declining with age. This could however be possible because of muscle weakness as well. As you lose muscles, you lose weight as well. Muscle loss in younger adults happen to people that have desk job or do not perform any physical activity that could reverse muscle loss. Muscle loss can also occur because of the following reasons-

  • Rheumatoid arthritis 
  • Nerve damage
  • Stroke
  • Osteoarthritis 
  • Multiple sclerosis
  • Injuries and bone loss

2. Overactive thyroid

This is a common cause of sudden weight loss for people having thyroid dysfunction. It is also a symptom of having thyroid. Hyperthyroidism develops in the case where the thyroid gland makes too many hormones. These hormones could affect metabolism in the body and thus result to sudden weight loss in some cases. Due to overactive thyroid, it burns significantly higher amount of calories that leads to unintentional weight loss in people.


3. Rheumatoid arthritis 

This is an autoimmune disease that could make your immune system attack the lining of joints. Rheumatoid arthritis causes inflammation in the tissues and thus affects metabolism of the person in such a way that it reduces weight at a significant rate. This condition could also cause swelling and pain in the joints which could later feel stiff if you do not move it for more than an hour. 

Here are some reasons that could lead to rheumatoid arthritis-

  • Genes 
  • Hormonal changes 
  • Smoking
  • Obesity

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4. Diabetes

Another reason for weight loss can be because type-1 diabetes. Your immune system can be attacked dysfunction in pancreas and insulin levels. Without insulin, it is not possible for the body to produce glucose to get energy. This can result to increase in glucose levels and therefore lead to health problems and sudden weight loss. Type-1 diabetes can be caused because of –

  • Frequent urination
  • Dehydration in the body
  • Blurry vision
  • Excessive hunger
  • Excessive thirst

5. Depression 

Sudden weight loss can also occur because of depression. The reason behind is the hormones that are released in sadness or anxiety, it interferes with your digestive system and causes weight loss. Depression actually affects the same part of the brain that gets affected because of appetite, poor appetite leads to weight loss eventually. This however is not constant; it may change according to different people. But this is a valid cause of sudden weight loss which is often neglected.


6. Inflammatory bowel diseases

Unexpected weight loss could affect symptoms of inflammatory bowel disease. This could also be true for chronic conditions that are caused because of problems in the digestive tract as well. Two most common types of IBD that results to sudden weight loss are ulcerative colitis and Crohn’s disease. Inflammatory bowel syndrome also disrupts ghrelin, hunger hormones and lepton hormones that reduces appetite and causes sudden weight loss.

Also Read- 6 Weight Loss Mistakes That Affect Metabolism

7. Chronic Obstructive Pulmonary Disease

COPD is a progressive lung disorder that could create emphysema and chronic bronchitis. There are many people that have both these conditions. Sudden weight loss can occur due to damage of air sacs in the lungs that make it hard for the person to breathe. Chronic bronchitis causes inflammation in the airways because of which mucus, cough and breathing issues are created. Chronic obstructive pulmonary diseases are caused because of the following symptoms-

  • Shortness of breath
  • Chest tightness
  • Wheezing
  • Mild coughing that could be with or without mucus

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