Can keflex cause an acute catatonic state of short duration but recurrent. I admitted to psych ward woman frozen staring off and on arrival to ward she s fine, animated chatty. CT head basic labs fine. Waiting on thyroid studies. No travel, VSS, no raw meat / known tick exposure etc. took weight loss agent Thermalift contains alot caffeine and ?Mayhong -but stopped it weeks ago; celexa 20mg, keflex 500mg qid was started 11days ago and it seems temporally related to these episodes. 3-4 hours sleep past 2 weeks, 13lb weight loss On Mobil 15mg daily Provera 5mg, recently stopped Cymbalta