Unfortunately, depression is one of the sxs of MS...I've had a life-long battle with depression and like you am in a hole right now.
I've tried a myriad of ADs, and none works for me...in fact some have taken me to very dark places

Talk therapy takes me in circles...I know how to cognitively get out of the dumps, but sometimes the dumps are pretty deep.

glad you're being proactive...take care