I am on Tacrolimus ointment for my OLP.

After trying a lot of other meds I am now on Tacrolimus ointment 2x a day. I rub it
On my cheeks and the blisters on my tongue. I must do this for 6 weeks. I am wondering if this has worked
For anyone else? Looking for any input on application or side effects? Also because I’ve just started and I have have a huge blister on my tongue
I’ve taken to using some of my lidocaine on it so I can talk but then I realized this is supposed to be swish and I’m wondering how bad it is that I’ve been swallowing it ! Help