Thanks for the query.Oral contraceptive pills
are good in controlling acne
This fluctuation in sevearity of acne was due to stoppage of pills.
You can continue with the same pills,
It will take some time to show response.
There is no need to change brand.
Please meet a dermatologist
and discuss regarding this.
Let me know if you have any other doubt.
you can ask a direct question to me on this forum, following the below link.
Wishing you a good health.