Unintentional Weight Gain
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Reviewed By:

Hidetaka Hamasaki

Hidetaka Hamasaki, MD (Endocrinology)

Dr. Hamasaki graduated from the Hiroshima University School of Medicine and the Graduate School of Medicine, Jichi Medical University. He completed his residency at the Department of Diabetes, Endocrinology and Metabolism, National Center for Global Health and Medicine Hospital and the Department of Internal Medicine, Kohnodai Hospital, National Center for Global Health and Medicine. He has served in the National Center for Global Health and Medicine Hospital and Kohnodai Hospital and joined Hamasaki Clinic in April 2017. Dr. Hamasaki specializes in diabetes and treats a wide range of internal medicine and endocrine disorders.

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Content updated on Jan 4, 2023

About the symptom

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

    Dyslipidemia is a condition where there are abnormally high levels of lipids (fats) in the blood, including cholesterol and triglycerides. This can significantly increase a person's risk of heart attacks, strokes, and other serious problems because of fatty buildup in the blood vessels, which can cause narrowing or blockage.

  • Hypothyroidism

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

  • Anorexia nervosa / bulimia nervosa

    A condition with an abnormal fear of gaining weight. Patients try to lose weight excessively through fasting, inducing vomiting, or excessive exercise.

  • Adjustment disorder
  • Chronic hepatitis
  • Cushing syndrome
  • Portal hypertension

Related serious diseases

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

Similar symptoms or complaints

Reviewed By:

Hidetaka Hamasaki

Hidetaka Hamasaki, MD (Endocrinology)

Dr. Hamasaki graduated from the Hiroshima University School of Medicine and the Graduate School of Medicine, Jichi Medical University. He completed his residency at the Department of Diabetes, Endocrinology and Metabolism, National Center for Global Health and Medicine Hospital and the Department of Internal Medicine, Kohnodai Hospital, National Center for Global Health and Medicine. He has served in the National Center for Global Health and Medicine Hospital and Kohnodai Hospital and joined Hamasaki Clinic in April 2017. Dr. Hamasaki specializes in diabetes and treats a wide range of internal medicine and endocrine disorders.

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