While your T3 and T4 are normal, your
TSH(
thyroid stimulating hormone) is on the higher side. The diagnosis you can make from just your lab tests is Sub clinical HYPOTHYROIDISM
Yes, You need to start treatment in the form of thyroxin tablets. For the dose and frequency of medication, visit a General Physician or Endocrinologist.
Signs and symptoms of hypothyroidism include,
Weight gain
Menstrual abnormalities
Intolerance to cold
Tiredness
Dry skin and hair
Next Steps
Not to worry. It’s easily manageable . Visit a doctor for medication and dose