Please check Anti TPO antibodies as well.
According to your weight you may require to increase dose to 75-100mcg.
But uptitration of dose is normally done by 12.5-25mcg to avoid palpitations, tremors etc
TSH takes around 4-6 weeks to reflect change after changing dose.
You can recheck TSH after one and half month after increasing the tablet.
Next Steps
Consultation with Diabetologist or endocrinologist
Health Tips
Iodised salt and seafood is a good source of iodine.