Does Prozac and Demerol together cause serotonin syndrome?

Prozac (fluoxetine) is a selective serotonin reuptake inhibitor (SSRI) that can increase serotonin levels in the brain. Demerol (meperidine) is an opioid that can also impact serotonin levels, particularly when used in high doses or in combination with other serotonergic medications. While the combination is not typically associated with a high risk of serotonin syndrome, caution is advised, as individual responses can vary. Always consult a healthcare provider before combining these medications.