Xanax causing swollen lymph node. If you have swollen lymph nodes in the neck which are causing difficulty swallowing or breathing, for . . I have been on xanax for a while now for anxiety . OCD; Relevant drugs:Celexa 40mg, Luvox 50mg, Xanax . what could be causing these swollen lymph nodes . in chennai how long after quitting xanax . . . . from the gums dont no if this is causing the swelling of my lymph nodes . . . . pain, although it hasn't helped and also Xanax to . . . 25mg metoprolol prn... more