haloperidol (generic name)

Haldol (brand name)

It is used to treat schizophrenia
(ha loe PER i dole)
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What is this medicine?

HALOPERIDOL (ha loe PER i dole) is used to treat schizophrenia. This medicine is also used to control tics and vocal outbursts in patients with Tourette's syndrome and treat behavioral problems in children with severe conduct disorders. It should only be used in these children if other medicines have not worked.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • dementia
  • head injury
  • lung disease
  • Parkinson's disease
  • an unusual or allergic reaction to haloperidol, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine?

Take this medicine by mouth. Follow the directions on the prescription label. Shake well before using. Use the specially marked dropper to measure your medicine. Ask your pharmacist if you do not have one. Household spoons are not accurate. Take your doses at regular intervals. Do not take your medicine more often than directed. Do not stop taking except on the advice of your doctor or health care professional.

Talk to your pediatrician regarding the use of this medicine in children. While this medicine may be prescribed for children as young as 3 years for selected conditions, precautions do apply.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine?

Do not take this medicine with any of the following medications:
  • arsenic trioxide
  • certain antibiotics like grepafloxacin and sparfloxacin
  • cisapride
  • droperidol
  • levomethadyl
  • medicines for malaria like chloroquine and halofantrine
  • medicines to control heart rate
  • methadone
  • pentamidine
  • pimozide
  • ranolazine
  • risperidone
  • ziprasidone

This medicine may also interact with the following medications:

  • alcohol
  • atropine
  • benztropine
  • cabergoline
  • carbamazepine
  • certain medicines for depression, anxiety, or psychotic disturbances
  • certain medicines for fungal infections like ketoconazole and itraconazole
  • dicyclomine
  • levodopa or other medicines for Parkinson's disease
  • lithium
  • medicines for hay fever and other allergies
  • prescription pain medicines
  • promethazine
  • rifampin
  • warfarin

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular checks on your progress. It may be a few weeks before you see the full effects of this medicine.

You may get dizzy or drowsy or have blurred vision. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol can increase dizziness and drowsiness. Avoid alcoholic drinks.

Do not treat yourself for colds, diarrhea or allergies. Ask your doctor or health care professional for advice, some nonprescription medicines may increase possible side effects.

Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your doctor if the problem does not go away or is severe.

This medicine can reduce the response of your body to heat or cold. Dress warm in cold weather and stay hydrated in hot weather. If possible, avoid extreme temperatures like saunas, hot tubs, very hot or cold showers, or activities that can cause dehydration such as vigorous exercise.

This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.

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Last Updated: May 07, 2013
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