Hello, Thyroidectomy surgery is a challenging surgery because its located nearby to major structures of life such as carotid artery, a blood vessel supplying brain and laryngeal nerve which is important for breathing. So life after thyroid surgery without any major problems such as breathing or eating difficulty is a boon literally. In your case throat pain after surgery may be a small unavoidable thing because of anesthesia tube kept over there during surgery. And throat infection overwhelming also matters because of associated fever. A course of higher antibiotics along with analgesic will definitely result positively. Hope I have answered your query. Let me know if I can assist you further. Take care Regards, Dr Rajeswari, General Surgeon