Drug interactions between clozapine and Seroquel
Interactions between your drugs
clozapine ↔ quetiapine
Applies to:clozapine and Seroquel (quetiapine)
CloZAPine may occasionally cause serious cardiovascular side effects such as low blood pressure and cardiac or respiratory arrest, and combining it with other medications that can can also have these effects such as QUEtiapine may increase the risk. Cardiovascular side effects are most likely to occur at the beginning of treatment, following a dose increase, or when treatment is restarted after an interruption. Other side effects that may also be increased include dizziness, drowsiness, blurred vision, confusion, dry mouth, abdominal cramping, constipation, difficulty urinating, heat intolerance, low white blood cell count, palpitation, and irregular heart rhythm. Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. You should avoid or limit the use of alcohol while being treated with these medications. Also avoid activities requiring mental alertness such as 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 and food interactions
Applies to: clozapine
Alcohol can increase the nervous system side effects of cloZAPine such as dizziness, drowsiness, and difficulty concentrating. Some people may also experience impairment in thinking and judgment. You should avoid or limit the use of alcohol while being treated with cloZAPine. Do not use more than the recommended dose of cloZAPine, and avoid activities requiring mental alertness such as driving or operating hazardous machinery until you know how the medication affects you. Talk to your doctor or pharmacist if you have any questions or concerns.
Therapeutic duplication warnings
Therapeutic duplication is the use of more than one medicine from the same drug category or therapeutic class to treat the same condition. This can be intentional in cases where drugs with similar actions are used together for demonstrated therapeutic benefit. It can also be unintentional in cases where a patient has been treated by more than one doctor, or had prescriptions filled at more than one pharmacy, and can have potentially adverse consequences.
The recommended maximum number of medicines in the 'antipsychotics' category to be taken concurrently is usually one. Your list includes two medicines belonging to the 'antipsychotics' category:
- quetiapine (active ingredient in Seroquel (quetiapine))
Note: The benefits of taking this combination of medicines may outweigh any risks associated with therapeutic duplication. This information does not take the place of talking to your doctor. Always check with your healthcare provider to determine if any adjustments to your medications are needed.
Drug Interaction Classification
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Do not stop taking any medications without consulting your healthcare provider.