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Haloperidol injection

What is this medicine?

HALOPERIDOL (ha loe PER i dole) is used to treat schizophrenia. It is also used to control tics and vocal outbursts in patients with Tourette's syndrome.

How should I use this medicine?

This medicine is for injection into a muscle. It is given by a health-care professional in a hospital or clinic setting.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue

  • breast pain or swelling or unusual production of breast milk

  • breathing problems

  • chest pain

  • confusion

  • fast, irregular heartbeat

  • feeling faint or lightheaded, falls

  • fever, chills, or sore throat

  • hot, dry skin or lack of sweating

  • problems with balance, talking, walking

  • seizures

  • signs and symptoms of high blood sugar such as being more thirsty or hungry or having to urinate more than normal. You may also feel very tired or have blurry vision.

  • stiffness, spasms, trembling

  • trouble passing urine or change in the amount of urine

  • uncontrollable head, mouth, neck, arm, or leg movements

  • unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • change in sex drive or performance

  • constipation

  • diarrhea

  • menstrual changes

  • nausea or vomiting

  • weight gain

What may interact with this medicine?

Do not take this medicine with any of the following medications:

  • arsenic trioxide

  • certain antibiotics like grepafloxacin, pentamidine, sparfloxacin

  • certain medicines for fungal infections like fluconazole, itraconazole, ketoconazole, posaconazole, voriconazole

  • certain medicines for irregular heart beat like dronedarone

  • certain medicines for malaria like chloroquine, halofantrine

  • cisapride

  • droperidol

  • levomethadyl

  • methadone

  • pimozide

  • ranolazine

  • risperidone

  • thioridazine

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 Parkinson's disease like levodopa

  • certain medicines that treat or prevent blood clots like warfarin

  • dicyclomine

  • lithium

  • narcotic pain medicines

  • other medicines that prolong the QT interval (cause an abnormal heart rhythm) like dofetilide, ziprasidone

  • promethazine

  • rifampin

What if I miss a dose?

This does not apply.

Where should I keep my medicine?

This drug is given in a hospital or clinic and will not be stored at home.

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

  • diabetes

  • head injury

  • heart disease

  • irregular heartbeat

  • liver disease

  • low blood counts, like white cells

  • low levels of potassium or magnesium in the blood

  • lung disease

  • Parkinson's disease

  • thyroid disease

  • an unusual or allergic reaction to haloperidol, other medicines, foods, dyes, or preservatives

  • pregnant or trying to get pregnant

  • breast-feeding

What should I watch for while using this medicine?

Your condition will be monitored carefully while you are receiving 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.

This medicine may increase blood sugar. Ask your health care provider if changes in diet or medicines are needed if you have diabetes.

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 drug can cause problems with controlling your body temperature. It can lower the response of your body to cold temperatures. If possible, stay indoors during cold weather. If you must go outdoors, wear warm clothes. It can also lower the response of your body to heat. Do not overheat. Do not over-exercise. Stay out of the sun when possible. If you must be in the sun, wear cool clothing. Drink plenty of water. If you have trouble controlling your body temperature, call your health care provider right away.

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.

Author: StayWell Custom Communications
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