The side effects of the low doses [0.5mg/week] seem to be non-existent. There are side effects from literature where Dostinex/cabergoline were used in high doses to treat Parkinson's disease. Please do not trouble yourself with this.
We have had some guys go trough this and have T levels recover.
If you are feeling better and your testes are improving, that process will take weeks to get competed. So don't rush out to get labs too soon and not see something that represents the end point.
Your dopamine will increase and prolactin will drop. You might have a brighter mood and maybe see some depression resolved. During this period of plasticity, try to have a positive outlook on things as you are setting new mental patterns that will later on be solidified. So things that are good for your mind and body.