Yes, you may be suffering ativan tolerance.

Not a good time to decrease ativan. Wait a while to stabilize. You do not want to suffer WD ISRS + WD BENZO (=would be terrible).

While stabilizes, you can get information on the benzo WD · "Dr. Ashton Manual":

http://www.benzo.org.uk/manual/

Benzo Forum:

http://www.benzobuddies.org/forum/index.php

Hugs