There is absolutely nothing worse than to experience a serotonin syndrome episode. You probably are not a candidate for the SSRI and/or SNRI's. That leaves few treatment options for anxiety and depression. I too am very drug sensitive and have what one physician called "pharmaco-phobia." but not without reason. That's why I have made an effort to decrease the number of medications that I take, which is good practice anyway. If starting a new medication I always start at 1/2 the recommended dosage. I hope you get resolution soon!