My tsh has increased from 4.54 to 8.16. which medicine should i use to control it ?

Thyroid hormone: An elevated TSH generally indicates that thyroid function (t4) is low. It is important to measure the T4 level before starting treatment. Thyroid hormone (levothyroxine) is the most commonly used supplement and works well in the vast majority of patients with low thyroid levels.

Levothyroxine: Assuming the reason for your elevation in TSH is an underactive thyroid (hypothyroidism), taking the appropriate dose of levothyroxine should bring it back down. Occasionally TSH can be elevated by other medications or conditions.

TSH: Elevated TSH is a sign of hypothyroidism, u physician will be able to write u needed medication.