That's good the GP has prescribed. Your TSH is high as well as antibodies. You have an Autoimmune Thyroid Disease called Hashimoto's which is the commonest form of a dysfunction of the thyroid gland. The antibodies will attack your gland until you are hypothyroid but some members have found going gluten-free can help reduce them.
It is usual to only have a TSH and T4 tested. As your dose increases your TSH will lower and T4 increase. The T4 will convert to T3 . You are looking for a TSH around 1 or lower. An incremental 25mcg of T4 (levo) around every 6 to 8 weeks is usual. Hopefully your GP will continue till TSH is around 1.
The goal of Levothyroxine is to restore the patient to euthyroid status. For most patients that will be when TSH is 1.0 or lower with FT4 in the upper range. FT4 needs to be in the upper range in order that sufficient T3 is converted. Read Treatment Options in thyroiduk.org.uk/tuk/about_...
Thyroid peroxidase antibodies are positive for autoimmune thyroid disease (Hashimoto's). There is no cure for Hashimoto's which causes 90% of hypothyroidism. Treatment is for the low thyroid levels it causes. Many people have found that 100% gluten-free diet is helpful in reducing Hashi flares, symptoms and eventually antibodies.
For maximum absorption Levothyroxine should be taken with water 1 hour before, or 2 hours after, food and drink, 2 hours away from other medication and supplements, and 4 hours away from calcium, iron, vitamin D supplements and oestrogen.
It takes 7-10 days for Levothyroxine to be absorbed before it starts working and it will take up to six weeks to feel the full impact of the dose. Symptoms may lag behind good biochemistry by several months.
You should have a follow up thyroid test 6-8 weeks after starting Levothyroxine. Arrange an early morning and fasting (water only) blood draw when TSH is highest, and take Levothyroxine after your blood draw.
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