Active ingredient: Thiamazole (methimazole).
Medicinally active ingredients: Each Thyrozol 5mg film-coated tablet contains 5 mg thiamazole.
Each Thyrozol 10mg film-coated tablet contains 10 mg thiamazole.
Excipients/Inactive Ingredients: Lactose monohydrate (see Precautions), corn starch, cellulose powder, talc, methylhydroxypropyl cellulose, magnesium stearate, poly (O-carboxymethyl) starch sodium salt, silicon dioxide, Macrogol 400, dimethicone 100, colourings E 171 and E 172.