Are considered Thioamide class of medication

This drug blocks the binding or iodine.

Is regarded as a hormone antagonist which affects thyroid hormones

.           Carbimazole  -  [found in the United Kingdom]
.           Methimazole
.           Propylthiouracil    (PTU)

Uses:  Hyperthyroidism , Grave’s Disease

Side Effects:

  -    Agranulocytosis   [a decrease of white blood cells] -  seen more often with PTU but can also be seen in methimazole
  -    Aplastic anemia
  -    Sore throat
  -    Fever
  -    Rash