levels of 26 are high and indicate a severe under active thyroid
Treatment with levothyroxine
aims to return your levels of thyroid hormones to normal.
Once the medicine is started You are monitored regularly and your dose will be adjusted in steps of 25 to 50mcg every three to four weeks according to your response. The usual maintenance dose is 75 to 150mcg once a day,or even more.
Your symptoms will begin to improve as the hormone levels in your bloodstream return to normal.You should expect a gradual improvement, feeling back to normal about four to six months after starting levothyroxine treatment. Once your thyroid hormone levels are back to normal, you may start to feel better fairly quickly, but this varies from person to person.
The length of time this takes will depend on how severe your underactive thyroid was when you were diagnosed and on the dose you start on.
Till you become allright ,you are monitored regularly every 4 to 6 weeks,for at least initially 6 months.
So don't loose any hope and continue your treatment and regular estimation of TSH levels and a regular visit to your doctor.