Can you take Zoloft if you take phentermine?

This is contraindicated because these two drugs interact to increase the effects of each other. You can get dangerous and possibly life threatening side effects by mixing these medicines. You can develop a condition called Serotonin Syndrome, which includes severe, deadly symptoms. These include confusion, hallucinations, racing heart, increasing body temperature which can lead to death, sudden drop in blood pressure, coma, irritibility and violence, shivering, sweating, and muscle rigidity.