HI DR I HAVE BEEN ON AMITRIPTYLINE, { ENDEP} FOR SOMETIME HAVE BEEN TAKING 2X25 MG AT NIGHT , THOUGHT I WOULD GO BACK TO 1X25 AS STATES I CAN TAKE 1 OR 2 ON SCRIPT , BUT I HAVE BEEN FEELING TERRIBLE NAUSIUS WHICH I STARTED TAKING ENDEP FOR { ANXIETY}, ANY SUGESTIONS WHY, SHOULD I GO BACK TO 2 AGAIN, THANKS KAY