Learn more about usage, cautions, and possible side effects .
Chemical Name: HALOPERIDOL (ha-loe-PER-i-dole)
This medicine is an antipsychotic agent used to treat schizophrenia. It is also used to control symptoms associated with Tourette's disorder. This medicine may also be used to treat other conditions as determined by your doctor.
WARNING: This medicine is an antipsychotic. It may increase the risk of death when used to treat mental problems caused by dementia in elderly patients. Most of the deaths were linked to heart problems or infection. This medicine is not approved to treat mental problems caused by dementia. Some medicines or medical conditions may interact with this medicine. INFORM YOUR DOCTOR OR PHARMACIST of all prescription and over-the-counter medicine that you are taking. DO NOT TAKE THIS MEDICINE if you are also taking astemizole, cisapride, or terfenadine. ADDITIONAL MONITORING OF YOUR DOSE OR CONDITION may be needed if you are taking carbamazepine, lithium, macrolide antibiotics, or tramadol. Report other drugs which affect the heart rhythm (QTc prolongation), such as: dofetilide, pimozide, quinidine, sotalol, procainamide, and sparfloxacin. DO NOT START OR STOP any medicine without doctor or pharmacist approval. Inform your doctor of any other medical conditions, including electrolyte problems (such as low blood magnesium or low blood potassium), seizures, thyroid problems, the blood disease porphyria, heart problems, irregular heartbeat (such as QT prolongation), dementia, Alzheimer disease, allergies, pregnancy, or breast-feeding. Inform your doctor if a member of your family has a history of irregular heartbeat (such as QT prolongation) or other heart problems. Contact your doctor or pharmacist if you have any questions or concerns about using this medicine.
This medicine is usually administered as an injection at your doctor's office or a clinic. Ask your doctor, nurse, or pharmacist any questions that you may have about this medicine. Do not miss any doses of your medicine.
DO NOT USE THIS MEDICINE if you have had an allergic reaction to it or are allergic to any ingredient in this product. DO NOT EXCEED THE RECOMMENDED DOSE or use this medicine for longer than prescribed without checking with your doctor. DO NOT STOP USING THIS MEDICINE without contacting your doctor. BEFORE YOU HAVE ANY MEDICAL OR DENTAL TREATMENTS, EMERGENCY CARE, OR SURGERY, tell the doctor or dentist that you are using this medicine. DO NOT DRIVE, OPERATE MACHINERY, OR DO ANYTHING ELSE THAT COULD BE DANGEROUS until you know how you react to this medicine. Using this medicine alone, with other medicines, or with alcohol may lessen your ability to drive or to perform other potentially dangerous tasks. THIS MEDICINE WILL ADD TO THE EFFECTS of other depressants or alcohol. Ask your pharmacist if you have questions about which medicines are depressants. THIS MEDICINE MAY CAUSE increased sensitivity to the sun. Avoid exposure to the sun or sunlamps until you know how you react to this medicine. 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 since heat stroke may occur while you are using this medicine. BEFORE YOU BEGIN TAKING ANY NEW MEDICINE, either prescription or over-the-counter, check with your doctor or pharmacist. FOR WOMEN: IF YOU PLAN ON BECOMING PREGNANT, discuss with your doctor the benefits and risks of using this medicine during pregnancy. THIS MEDICINE IS EXCRETED IN BREAST MILK. DO NOT BREAST-FEED while taking this medicine.
SIDE EFFECTS, that may go away during treatment, include mild drowsiness, dizziness, changes in menstrual period, swelling or pain in breasts, or mild hand or leg tremors. If they continue or are bothersome, check with your doctor. CHECK WITH YOUR DOCTOR AS SOON AS POSSIBLE if you experience severe drowsiness or sleepiness, drooling, difficulty speaking or swallowing, muscle stiffness, fever, restless body movements, or other unusual body movements or muscle twitching. CONTACT YOUR DOCTOR IMMEDIATELY if you experience fainting, or fast or irregular heartbeat. An allergic reaction to this medicine is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash, itching, swelling, severe dizziness, or trouble breathing. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist. This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your healthcare provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Drug interactions can result in unwanted side effects or prevent a medicine from doing its job. Use our drug interaction checker to find out if your medicines interact with each other. Check drug interactions
If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include agitation, very dry mouth, unusual drowsiness or deep sleep, slow or shallow breathing, rapid or irregular pulse, and muscle weakness, rigidity, or tremor.
DO NOT SHARE THIS MEDICINE with others for whom it was not prescribed. DO NOT USE THIS MEDICINE for other health conditions. KEEP THIS PRODUCT, as well as syringes and needles, out of the reach of children. Do not reuse needles, syringes, or other materials. Dispose of properly after use. Ask your doctor, nurse, or pharmacist to explain local regulations for selecting an appropriate container and properly disposing of the container when it is full.