Head spinning has nothing to do hypothyroidism;Your
TSH is borderline high, you need to start Thyroxine if you have any symptoms of
thyroid like weight gain ,lethargy, fatigue,depression or any constipation;otherwise watch for these symptoms and get TSH done every 6 months;dizziness or weakness may be due some low grade ,fever,Vit.D deficiencyor any Urinary Tract Infection .If dizziness is without any other symptoms ,you may be having Vertigo. call 98 110 31656