Methergine

Generic name: Methylergonovine maleate

Why is Methergine prescribed?

Methergine, a blood-vessel constrictor, is given to prevent or control excessive bleeding following childbirth. It works by causing the uterine muscles to contract, thereby reducing the mother's blood loss.

Methergine comes in tablet and injectable forms.

Most important fact about Methergine

Some blood-vessel disorders and certain infections make the use of Methergine dangerous. Make sure your doctor is aware of any medical conditions you may have.

How should you take Methergine?

Take Methergine tablets exactly as prescribed.

• If you miss a dose...
  Do not take the missed dose at all and do not double the next one. Instead, go back to your regular schedule.

• Storage instructions...
  Store at room temperature in a tightly closed container, away from light.

What side effects may occur?

Side effects cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking Methergine.

The most common side effect is high blood pressure, which may cause a headache or even a seizure. In some people, however, Methergine may cause low blood pressure.

Why should Methergine not be prescribed?

You should not take Methergine if you are allergic to it, if you are pregnant, or if you have high blood pressure or toxemia (poisons circulating in the blood).

Special warnings about Methergine

It may be dangerous to take Methergine if you have an infection, certain blood vessel disorders, or a liver or kidney problem. Inform your doctor if you think you have any such condition.

Your doctor will use intravenous Methergine only when necessary, because of the possibility of a sudden rise in blood pressure or a stroke.

Possible food and drug interactions when taking Methergine

If Methergine is taken with certain other drugs, the effects of either may be increased, decreased, or altered. It is especially important to check with your doctor before combining Methergine with the following: