Drug interactions between clozapine and haloperidol
Interactions between your drugs
haloperidol ↔ clozapine
Applies to:haloperidol and clozapine
Talk to your doctor before using cloZAPine together with haloperidol. CloZAPine can occasionally cause serious cardiovascular side effects such as low blood pressure and cardiac or respiratory arrest, and the risk may be greater in patients that are also receiving medications like haloperidol. Cardiovascular side effects are most likely to occur when cloZAPine is first started, when it is restarted following an interruption in therapy, or when the dose is increased rapidly. The risk and/or severity of other side effects may also be increased, including dizziness, drowsiness, blurred vision, confusion, dry mouth, abdominal cramping, constipation, difficulty urinating, heat intolerance, palpitation, irregular heart rhythm, Parkinson-like symptoms, and abnormal muscle movements involving primarily the face and sometimes the limbs. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Let your doctor know if you experience increased or excessive side effects at any time during treatment with these medications, and seek immediate medical attention if you develop sudden dizziness, lightheadedness, fainting, shortness of breath, or fast or pounding heartbeats. Avoid driving or operating hazardous machinery until you know how the medications affect you, and use caution when getting up from a sitting or lying position. If you miss your cloZAPine doses for two or more days, contact your doctor before you resume treatment, as you may need to restart at a lower dose. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.
Drug Interaction Classification
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Do not stop taking any medications without consulting your healthcare provider.