His doctor insists that the mental deterioration is a new symptom, but I am concerned it is more likely a drug interaction side effect. The use of anti-
psychotic medications began about January 2008, when the patient (who had been taking Effexor, Paxil, and Xanax for mild depression, anxiety and insomnia) had a first-time ever episode of manic-type symptoms: racing thoughts, extreme insomnia, panic, and distorted thinking.