Fastest acting anti-thyroid drug is: (A) Sodium Iodide, (B) Propyl thiouracil, (C) Methimazole, (D) Thiocyanate
Answer is A. Secretion inhibitors:These are fastest acting anti thyroid drugs. NaI KI Lugol iodine Thyroid peroxidase inhibitor Carbimazole/Methimazole Propylthiouracil Thiocyanate is Na+I+sympoer (NIS) inhibitor. Highly toxic Not used clinically