Unintentional weight gain

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Hidetaka Hamasaki

Medically Reviewed By:

Hidetaka Hamasaki, MD


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  • I've gained more than 2kg in a month unintentionally

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Content updated on May 23, 2022


Weight gain of 5% or more in 1 month ith no obvious intentional cause such as eating more or exercising. It is important to see a physician to check the underlying cause for this symptom.

When to See a Doctor

Seek professional care if you experience any of the following symptoms

  • Unintentional weight gain

Possible Causes

  • Dyslipidemia

    Abnormally high levels of lipids (fats) in the blood, including cholesterol and triglycerides, is also called dyslipidemia. Dyslipidemia can significantly increase a person's risk of heart attacks, strokes, and other serious problems due to fatty accumulation in the blood vessels, resulting in narrowing or obstruction.

  • Chronic heart failure

    Chronic heart failure is when the heart doesn't pump blood as well as it should. It is caused by conditions that overwork the heart, such as high blood pressure, heart valve disease, thyroid disease, kidney disease, diabetes, heart defects from birth, etc.

  • Hypothyroidism

    A disorder where levels of thyroid hormone in the body are abnormally low. These hormones are needed for growth, development and metabolism.

  • Anorexia nervosa / bulimia nervosa
  • Adjustment disorder
  • Cushing syndrome
  • Portal hypertension
  • Nephrotic syndrome
  • Drug-induced obesity

Related Serious Diseases

  • Congestive heart failure

    In congestive heart failure, the heart cannot pump enough blood to meet the body's needs. Blood accumulates in the heart and fluid can build up in the lungs and other organs. This is a chronic and progressive condition that can be life-threatening, leading to organ damage. It often occurs as a result of other conditions that damage or weaken the heart. Risk factors include hypertension, coronary artery disease or heart valve disease, diabetes, excessive alcohol intake, being overweight and smoking.

Questions your doctor may ask about this symptom

Your doctor may ask these questions to check for this symptom

  • Do you have unintentional weight gain of more than 2 kgs in one month?

  • Do you exercise daily?

  • Have you ever been told that you snore while sleeping?

  • Do you have nausea or vomiting?

  • Do you have abnormal menstrual cycles e.g. too early or too late

Other Related Symptoms

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Hidetaka Hamasaki

Medically Reviewed By:

Hidetaka Hamasaki, MD


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