Weight gain (patient information)
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Weight gain |
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Weight gain On the Web |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Unintentional weight gain is when you gain weight without trying to do so. A continued weight gain occurs with pregnancy, whereas a periodic weight gain may occur with menstruation. A rapid weight gain may be a sign of dangerous fluid retention.
What are the symptoms of weight gain?
What causes weight gain?
Unintentional weight gain can be caused by many different things.
As you age, our metabolism slows down. This can cause weight gain if you eat too much, eat the wrong foods, or do not get enough exercise.
A medical problem or use of certain medication may also make you gain weight.
Medications that can cause weight gain include corticosteroids and drugs used to treat bipolar disorder, schizophrenia, and depression.
Hormone changes can also cause unintentional weight gain. This may be due to:
- Cushing syndrome
- Hypothyroidism (underactive thyroid, or low thyroid)
- Polycystic ovary syndrome
- Menopause
Bloating, or swelling due to a buildup of fluid in the tissues can cause weight gain. This may occur with menstruation, heart or kidney failure, preeclampsia, or certain medications.
If you quit smoking, you might gain weight. Most people who quit smoking gain 4 - 10 pounds in the first 6 months after quitting. Some gain as much as 25 - 30 pounds. This weight gain is not simply due to eating more.
Who is at highest risk?
Diagnosis
When to seek urgent medical care?
Treatment options
Where to find medical care for weight gain?
Directions to Hospitals Treating Condition