What could happen if i take Prozac and phenylephrine hci together?

Taking Prozac (fluoxetine) and phenylephrine HCl together can potentially lead to increased blood pressure and cardiovascular issues, as phenylephrine is a decongestant that can constrict blood vessels. Additionally, combining these medications may heighten the risk of serotonin syndrome, a rare but serious condition caused by excessive serotonin levels in the brain. It's important to consult with a healthcare provider before mixing these medications to ensure safety and effectiveness.