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Overview of the Pituitary Gland

By

The Manual's Editorial Staff

Last full review/revision Feb 2021| Content last modified Feb 2021
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What is the pituitary gland?

The pituitary gland is a pea-sized bit of tissue at the bottom of your brain. Glands are organs that make and release hormones into your blood. Hormones are chemicals that stimulate other cells or tissues into action. The pituitary gland puts out many different hormones. Each pituitary hormone controls a different gland and body function.

The pituitary gland is controlled by a part of the brain called the hypothalamus.

Locating the Pituitary Gland

Locating the Pituitary Gland

What are pituitary hormones?

Each pituitary hormone controls different glands and body functions.

Pituitary hormones include:

What happens if your pituitary gland doesn't work right?

Your pituitary gland may:

  • Not make enough hormones

  • Make too many hormones

Sometimes there's a problem with only one pituitary hormone. Other times, you have a problem with many or all of the hormones.

If your pituitary gland produces too much, or not enough, of a hormone, you can get health problems such as:

What causes problems with the pituitary gland?

How can doctors tell if I have pituitary gland problems?

How do doctors treat pituitary gland problems?

Treatment depends on the type of problem you have. It may include:

  • Medicine to counteract the effect of too many hormones

  • Surgery to remove a tumor

  • Hormone therapy to replace hormones your body doesn't make enough of

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Nausea and Vomiting in Adults
Nausea is an uncomfortable sensation of needing to vomit. A person may also experience dizziness, abdominal discomfort, and/or food aversion. Vomiting is a powerful stomach contraction that forces the stomach’s contents up through the esophagus and out the mouth. Which of the following is NOT one of the common causes of nausea and vomiting?
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