Hello,
Thank you for your consult at DoctorSpring.com.
Just a mildly increased TSH level doesnot require treatment. You need to observe and repeat test in 2-3 months and see if it persists high or rises further beyond 10. It may return to normal too.
You can check for Serum Anti TPOAntibodies if TSH remains high (upto 10). If it further increases beyond 10, you will then need treatment.
Pills may not have affected your thyroid, so you need not worry on that score.
Hope this helps, would be glad to answer any follow-up queries.
Regards
Dr J Muthukrishnan, SM
Senior Adviser (Med & Endocrinology)