Potassium iodide is an iodine drug that is used in the treatment and prevention of thyroid disease.
Release form and composition
The drug is available in the form of tablets of 100 mg and 200 mg, 10 pcs. in the cell contour packaging, in a carton pack there are 1, 2, 3 or 5 packs.
The active ingredient of the drug is potassium iodide.
Potassium iodide 100 mg tablets contain 131 mg of potassium iodide, including 100 mg of iodine.
Potassium iodide tablets 200 mg contain 262 µg of potassium iodine, including iodine 200 µg.
Indications for use
Indications for use of potassium iodide are:
- Therapy and prevention of endemic goiter;
- Prevention of relapse of goiter during the complex therapy with thyroid hormone drugs.
Potassium iodide is not recommended for the following diseases and conditions:
- Increased individual sensitivity to drugs containing iodine;
- Toxic adenoma;
- Hidden hyperthyroidism (when used in doses that exceed 150 μg per day);
- Severe hyperthyroidism;
- Nodular or diffuse toxic goiter (when used in doses of 300-1000 mcg per day);
- Herpetiform dermatitis;
- Pregnancy and breastfeeding (when used in doses of 1-2 mg per day).
Dosing and Administration
Potassium iodide is taken orally after a meal, washed down with clean water. The dosage regimen is prescribed by the doctor in each case individually.
Typically, the daily dose of the drug in terms of iodine for adult patients and adolescents is 100-200 mcg, for children - 50-100 mcg.
Sometimes when taking potassium iodide may develop signs of iodism:
- Urticaria, swelling of the mucous tissues of the nose, eosinophilia, angioedema, shock;
- Sleep disturbances, irritability, tachycardia, increased sweating;
- Diarrhea, especially in patients older than 40 years;
- When used in doses of more than 300-1000 mcg per day, in some cases, the development of hyperthyroidism is observed (especially in elderly patients, in the presence of diffuse or nodular toxic goiter);
- When using high doses (more than 1 mg per day), goitre and hypothyroidism caused by iodine sometimes develop.
Acceptance of potassium iodide by patients with renal insufficiency may trigger the development of hyperkalemia in them.
With simultaneous therapy with high doses of iodine and potassium-sparing diuretics, hyperkalemia sometimes develops.
Simultaneous intake of potassium iodide and lithium preparations can cause goiter and hypothyroidism.
Thiocyanate and Perchlorate competitively reduce iodine absorption by the thyroid gland.
Antithyroid drugs mutually reduce the therapeutic effect.
Terms and conditions of storage
Store in a dry place at temperatures up to 25 ° C.
Shelf life - 3 years.