Treatment options Treatment Cannot use if Advantages Disadvantages Tablets carbimazole, propylthiouracil (PTU) You have had a severe reaction to one of these drugs Quite quick to work (4-6 weeks) Sudden swings in thyroid hormone level unlikely Painless 12-18 months course of tablets Thyroid overactivity comes back in 60-70% of patients after treatment. 10% risk of rash or other minor side-effects …
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