what are the side effects of iodine radiation
Some side effects from radioactive iodine treatment include: 1  Metallic taste in your mouth. 2  Dry mouth. 3  Sore throat. 4  Neck pain. 5  Nausea or vomiting, which is usually mild. 6  Constipation or diarrhea. 7  Fatigue. 8  Unusually low (hypothyroidism) or unusually high (hyperthyroidism) thyroid levels.