Hi, I'am 22 Years Old Male From Canada With Latente

Hi,
I'am 22 years old
male
from canada
with latente TB treatd with INH (isoniazid 300mg)
and insomnia treated with LORAZEPAM 1 mg

i have a loss of memory, loss of concentration
I had a Dysthesia on my right side, from leg to head.
I did a CAT SCAN wich is negatif

I wonder which disease can cause this symptomes (dysthesia only one side)??

Thank you