Feeling rubbish on 50mg levo 3 months post hemithyroidectomy. GP suggests chest tightness could be due to being hyper. All symptoms same as before but feeling worse. Work doctor suggests the residual thyroid tissue could be producing to make me hyper and it would be better to remove by more surgery or blast it with radioactive iodine then treat with T4. Any one out there with similar experience. Waiting on 3rd set of results in 3 months. So much for close monitoring. GP also dismissed any chance of T3 and only interested in TSH level being between 2 and 3. Chest tightness is in hypo symptom list. GP not listening.