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Generic Name: Haloperidol Injection (ha-loe-PER-ih-dahl)
Brand Name: Haldol
Haldol is used for:
Treating schizophrenia. It is also used to control symptoms associated with Tourette disorder. It also may be used to treat other conditions as determined by your doctor.
Haldol is an antipsychotic agent. Exactly how Haldol works is unknown, but it may work by blocking certain chemicals in the brain.
Do NOT use Haldol if:
- you are allergic to any ingredient in Haldol
- you are in a coma, have Parkinson disease, or have severe central nervous system depression
- you are taking dofetilide, an H1 antagonist (eg, astemizole, terfenadine), or sodium oxybate (GHB)
Contact your doctor or health care provider right away if any of these apply to you.
Before using Haldol :
medical conditions may interact with Haldol . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, plan to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have the blood disease porphyria, heart problems, seizures, or an overactive thyroid
Some MEDICINES MAY INTERACT with Haldol . Tell your health care provider if you are taking any other medicines, especially any of the following:
- Rifampin because the effectiveness of Haldol may be decreased
- Carbamazepine because side effects of Haldol may be increased or the effectiveness of Haldol may be decreased
- Cisapride, dofetilide, H1 antagonists (eg, astemizole, terfenadine), macrolides or ketolides (eg, erythromycin, telithromycin), phenothiazines
(eg, thioridazine), or pimozide because the risk of serious heart-related side effects may be increased
- Lithium because the risk of unexpected toxic effects, including weakness, severe tiredness, confusion, or unusual muscle movements, may be increased
- Anticoagulants (eg, warfarin) or sodium oxybate because actions and side effects may be increased by Haldol
This may not be a complete list of all interactions that may occur. Ask your health care provider if Haldol may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any
How to use Haldol :
Use Haldol as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Haldol is usually administered as an injection at your doctor"s office, hospital, or clinic. If you are using Haldol at home, carefully follow the injection procedures taught to you by your health care provider.
- If Haldol contains particles or is discolored, or if the vial is cracked or damaged in any way, do not use it.
- Keep this product, as well as syringes and needles, out of the reach of children and away from pets. Do not reuse needles, syringes, or other materials. Dispose of properly after use. Ask your doctor or pharmacist to explain local regulations for proper disposal.
- If you miss a dose of Haldol , take it as soon as possible. Take the remaining doses for the day at evenly spaced intervals. Do not take 2 doses at once.
your health care provider any questions you may have about how to use Haldol .
Important safety information:
- Haldol may cause drowsiness, dizziness, or blurred vision. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to Haldol . Using Haldol alone, with certain other medicines, or with alcohol may lessen your ability to drive or perform other potentially dangerous tasks.
- Avoid drinking alcohol or taking other medications that cause drowsiness
(eg, sedatives, tranquilizers) while taking Haldol . Haldol will add to the effects of alcohol and other depressants. Ask your pharmacist if you have questions about which medicines are depressants.
- Haldol may cause increased sensitivity to the sun. Avoid exposure to the sun, sunlamps, or tanning booths until you know how you react to Haldol . Use a sunscreen or protective clothing if you must be outside for
a prolonged period.
- Do not become overheated in hot weather or during exercise or other activities; heatstroke may occur.
- Before you have any medical or dental treatments, emergency care, or surgery, tell the doctor or dentist that you are using Haldol .
- Neuroleptic malignant syndrome (NMS) is a potentially deadly syndrome associated with Haldol . Symptoms include: increased body heat; rigid muscles; altered mental abilities, including lack of response to your surroundings;
irregular pulse and blood pressure; increased heart rate; sweating; irregular heart rhythm. Contact your doctor at once if any of these symptoms occur.
- Involuntary and uncontrollable movements may develop in patients taking Haldol . Occurrence is highest among the elderly, especially women. The risk of developing these involuntary movements and the likelihood they will become permanent are increased with long-term use and with high doses. However it is
possible to develop these symptoms after short-term treatment at low doses. Contact your health care provider at once if any of the following occur: involuntary movements of tongue, face, mouth, or jaw (eg, protrusion of tongue, puffing of cheeks, puckering of mouth, chewing movements), sometimes accompanied by involuntary movements of the arms and legs.
- Use Haldol with caution in the ELDERLY because they may be more sensitive to its effects.
- Haldol is not recommended for use in CHILDREN younger than 3 years of age. Safety and effectiveness in this age group have not been confirmed.
- PREGNANCY and BREAST-FEEDING: If you become pregnant, discuss with your doctor the benefits and risks of using Haldol during pregnancy. Haldol is excreted in breast milk. Do not breast-feed while taking Haldol .
Possible side effects of Haldol :
All medicines may cause side effects, but
many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur:
Agitation; anxiety; appetite loss; blurred vision; breast secretions;
cataracts; changes in menstrual period; changes in vision; confusion; constipation; depression; dizziness; drowsiness; dry mouth; excessive hunger, thirst, or urination; feeling of a whirling motion;
headache; impotence; increased salivation; increased sex drive; indigestion;
mild hand or leg tremors; nausea; prolonged, painful erection; rash; sleeplessness; swelling or pain in breasts;
Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); altered mental abilities, including lack of response to your surroundings; constipation;
decreased sensation to thirst; diarrhea; difficulty speaking or swallowing;
drooling; exaggerated sense of well-being; excessive sweating; fever; hallucinations;
heat stroke; increased body heat; increased heart rate; involuntary movements of tongue, face, mouth, or jaw (eg, sticking out of tongue, puffing of cheeks, puckering of mouth, chewing movements); irregular heart rhythm; lack of energy;
lightheadedness; nausea; pneumonia; restless, rigid, or stiff muscles; runny nose; seizures; shuffling walk; tremors; unusual body movements or twitching;
unusual eye movements; unusual tiredness or sleepiness; vision changes; yellowing of skin or eyes.
This is not a complete list of all side effects that may occur. If you have questions or need medical advice about side effects, contact your doctor or health care provider. You may report side effects to the FDA at 1-800-FDA-1088 (1-800-332-1088) or at http://www.fda.gov/medwatch.
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American
Association of Poison Control Centers), your local poison control center (http://www.aapcc.org/findyour.htm), or emergency room immediately. Symptoms may include agitation; muscle weakness, rigidity, or tremor; rapid or irregular pulse; slow or shallow breathing;
unusual drowsiness or deep sleep; very dry mouth.
Proper storage of Haldol :
Store Haldol at room temperature, between 59 and 86 degrees F
(15 and 30 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Do not freeze. Keep Haldol out of the reach of children and away from pets.
- If you have any questions about Haldol , please talk with your doctor, pharmacist, or other health care provider.
- Haldol is to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your
This information is a summary only. It does not contain all information about Haldol . If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.
Issue Date: November 1, 2006
Database Edition 06.4.1.002
Copyright © 2006 Wolters Kluwer Health, Inc.
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