Precautions
Drug information provided by: Merative, Micromedex®
It is very important that your doctor check your progress while you receive this medicine to allow for changes in your dose and help reduce any unwanted effects.
Do not stop receiving Haldol® suddenly without asking your doctor. You may need to slowly decrease your dose before stopping it completely.
This medicine may cause serious allergic reactions (eg, anaphylaxis, angioedema, dermatitis exfoliative), which can be life-threatening and require immediate medical attention. Tell your doctor right away if you have a cracks in the skin, loss of heat from the body, rash, itching, hoarseness, red, swollen skin, scaly skin, trouble breathing, trouble swallowing, or any swelling of your hands, face, or mouth after receiving this medicine.
Contact your doctor as soon as possible if you have chest pain or discomfort, a fast heartbeat, trouble with breathing, or fever and chills. These may be symptoms of a very serious problem with your heart.
This medicine may cause tardive dyskinesia (a movement disorder). Check with your doctor right away if you have a lip smacking or puckering, puffing of the cheeks, rapid or worm-like movements of the tongue, uncontrolled chewing movements, or uncontrolled movements of the arms and legs.
Check with your doctor right away if you have seizures, difficulty with breathing, a fast heartbeat, a high fever, high or low blood pressure, increased sweating, loss of bladder control, severe muscle stiffness, unusually pale skin, or tiredness. These could be symptoms of a serious condition called neuroleptic malignant syndrome (NMS).
This medicine will often make you sweat less, causing your body temperature to increase. Use extra care not to become overheated during exercise or hot weather while you are receiving this medicine, since overheating may result in heat stroke. Also, hot baths or saunas may make you feel dizzy or faint while you are receiving this medicine.
This medicine may cause some people to become dizzy, drowsy, or may cause trouble with thinking or controlling body movements, which may lead to falls, fractures or other injuries. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.
Dizziness, lightheadedness, or fainting may occur, especially when you get up suddenly from a lying or sitting position. Getting up slowly may help. If this problem continues or gets worse, check with your doctor.
This medicine will add to the effects of alcohol and other CNS depressants (medicines that make you drowsy or less alert). Some examples of CNS depressants are antihistamines or medicine for allergies or colds, sedatives, tranquilizers, or sleeping medicine, prescription pain medicine or narcotics, medicine for seizures or barbiturates, muscle relaxants, or anesthetics, including some dental anesthetics. Check with your doctor before taking any of the above while you are receiving this medicine.
Haloperidol can temporarily lower the number of white blood cells in your blood, increasing the chance of getting an infection. If you can, avoid people with infections. Check with your doctor right away if you think you are getting an infection, or if you have a fever or chills, a cough or hoarseness, lower back or side pain, or painful or difficult urination.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.
Portions of this document last updated: April 01, 2024
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