Haldol (Haloperidol Injection) Patient Information: Missed a Dose and What Should I Avoid at RxList

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May 27, 2012

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Haldol Patient Information including If I Miss a Dose

What happens if I miss a dose (Haldol)?

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 (Haldol)?

Seek emergency medical attention if you think you have used too much of this medicine. An overdose of haloperidol can be fatal.

Overdose symptoms may include extreme drowsiness, feeling like you might pass out, tremors, and uncontrolled muscle movements in your eyes, tongue, jaw, or neck.

What should I avoid while taking haloperidol (Haldol)?

Haloperidol 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 getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall.

Avoid drinking alcohol. It can increase drowsiness or dizziness caused by haloperidol.

Avoid becoming overheated or dehydrated during exercise and in hot weather. You may be more prone to heat stroke while you are taking haloperidol.

What other drugs will affect haloperidol (Haldol)?

Before using haloperidol, tell your doctor if you regularly use other medicines that make you sleepy (such as cold or allergy medicine, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for depression or anxiety). They can add to sleepiness caused by haloperidol.

The following drugs can interact with haloperidol. Tell your doctor if you are using any of these:

lithium (Eskalith, Lithobid, others);
seizure medication;
a blood thinner such as warfarin (Coumadin); or
rifampin (Rifadin, Rifamate, Rimactane).

This list is not complete and there may be other drugs that can interact with haloperidol. 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 haloperidol.

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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