Taking risperidone with other drugs that make you sleepy or slow your breathing can cause dangerous or life-threatening side effects. Ask your doctor before using opioid medication, a sleeping pill, a muscle relaxer, or medicine for anxiety or seizures.
Tell your doctor about all your other medicines, especially:
blood pressure medication;
carbamazepine;
clozapine;
fluoxetine (Prozac) or paroxetine (Paxil); or
levodopa.
This list is not complete. Other drugs may interact with risperidone, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.
 Risperidone drug interactions (more detail)
