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What happens if I miss a dose (Demser)?

Take the missed dose as soon as you remember. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose (Demser)?

Seek emergency medical attention if you think you have used too much of this medicine.

Overdose symptoms may include extreme drowsiness, anxiety, tremors, or tightness of your jaw.

What should I avoid while taking metyrosine (Demser)?

Metyrosine can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

Avoid drinking alcohol. It can increase some of the side effects of metyrosine.

What other drugs will affect metyrosine (Demser)?

Tell your doctor about all other medications you use, especially medicine to treat psychiatric disorders, such as:

• chlorpromazine (Thorazine);
• fluphenazine (Permitil, Prolixin);
• haloperidol (Haldol);
• mesoridazine (Serentil);
• perphenazine (Trilafon);
• thioridazine (Mellaril); or
• trifluoperazine (Stelazine).

This list is not complete and there may be other drugs that can interact with metyrosine. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about metyrosine.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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