Iodomarin or Potassium iodide, drug choice

The differences between Iodomarin and Potassium iodide are not significant and after consultation with your doctor you can drink any of these medicines.

For the treatment and prevention of iodine deficiency in the body, doctors prescribe Iodomarin and Potassium iodide. These medicines are complete analogues, but there are not only similarities between them, but also differences that need to be known before they are taken.


Iodomarin on sale is in the form of:

  1. The drug, which is available in tablets of 100 μg and 200 μg.
  2. Supplements, on sale you can find Yodomarin tablets for the expectant mother and lozenges for resorption of Iodomarin for children.

The therapeutic effect of the medication is due to potassium iodide.


In addition to it, the composition of tablets of 100 μg and 200 μg includes the following auxiliary ingredients:

  • Milk sugar.
  • Gelatin.
  • E576.
  • Aerosil.
  • E504.
  • E466.

The composition of dietary supplements Iodomarin for a future mother, in addition to potassium iodide, includes:

  1. Vitamin B 12 and B9.
  2. Calcium phosphate
  3. Modified starch.
  4. Hydroxypropyl cellulose.
  5. MCC.
  6. E470b.
  7. Croscarmellose.
  8. Silica.

Iodomarin lozenges for children except potassium iodide contain:

  • Pullulan.
  • Polysorbate 80.
  • E172.
  • Cranberry flavoring.
  • Titanium white.
  • E330.
  • E950.
  • E959.
  • Saccharin.
  • Potassium sorbate.

Tablets of 100 μg and 200 μg are round, flat-cylindrical in shape, they are white or almost white, have a bevel and risk.

Iodine is necessary for the normal function of the thyroid gland, its hormones are responsible for lipid, protein, carbohydrate and energy metabolism, growth and development of the child. With their deficiency, normal functioning of the brain, cardiovascular, reproductive and nervous systems is impossible, they regulate the activity of the mammary glands.

Potassium iodide

Potassium iodide is a domestic medicine that is produced in tablets by several pharmaceutical companies, so the composition of the additional ingredients in them may be different. The drug is in dosages of 100 μg and 200 μg.

Potassium iodide

Iodine is an essential trace element that is required for normal thyroid function. When iodide enters the body, it is oxidized by the enzyme iodide peroxidase to elemental iodine, it is integrated into the tyrosine molecule, which is iodized and thyroxine and triiodothyronine are formed.

Iodine, which enters the body prevents the formation of endemic goiter, caused by a lack of trace elements in the diet. It normalizes the size of the thyroid gland in minors, the content of thyrotropin, the ratio of thyroxine and triiodothyronine.

After oral administration, the drug is rapidly and completely adsorbed in the small intestine and is distributed in the intracellular space in a couple of hours.

Potassium iodide easily migrates through the placental barrier, is deposited mainly in the tissues of the thyroid gland, as well as in the mucous membrane of the stomach, salivary and mammary glands.

The drug is excreted mainly with urine. Up to 80% of the accepted dosage is released within 2 days, the rest can be withdrawn up to 20 days.
What are they like

Iodomarin and Potassium iodide have the following similarities:

  1. Iodomarin tablets in 100 mcg and 200 mcg tablets and Potassium iodide are used to prevent thyroid enlargement due to iodine deficiency, to relapse goiter after its removal during surgery or after the end of therapy with thyroid hormones. They are prescribed for the treatment of diffuse euthyroid goiter in children and adults over 40 years of age, which is caused by a lack of iodine.
  2. Medicines do not have age restrictions, they can be drunk during pregnancy and breastfeeding.
  3. Drivers can drink medicines without any restriction.
  4. Both drugs should not be prescribed in combination with antithyroid drugs, since in this case the effect of iodine preparations is weakened. ACE inhibitors and potassium-sparing diuretics in combination with potassium iodide increase the likelihood of hyperkalemia. With the appointment of lithium preparations during treatment, the risk of goiter and hypothyroidism increases. Thyrotropin improves the absorption of iodine by the thyroid gland and triggers the production of its hormones. Potassium thiocyanate and perchlorate blocks the absorption of iodine by the thyroid gland. Potassium iodide preparations reduce thyroid uptake of 131I and 123I.
  5. Usually, drugs are well tolerated, only with individual intolerance they can cause allergies. Some patients may experience iodism: a taste of metal in the mouth, runny nose, bronchitis, inflammation of the conjunctiva, “iodine” fever and acne may appear. When taking medications in a daily dose of more than 150 mcg, the latent form of hyperthyroidism can become manifest. Patients who drink medications in doses of more than 300 mcg per day are more likely to experience iodine-induced thyrotoxicosis.
  6. Medications can not be prescribed for hyperthyroidism, allergies to the composition of drugs, toxic adenoma and thyroid cancer, senile dermatitis Dühring. They are not recommended for drinking with hypothyroidism, only if hypofunction is not caused by iodine deficiency in the body. In a daily dose of more than 300 micrograms, they should not be drunk with nodular goiter, unless they are prescribed after surgery to suppress thyroid function.
  7. If the recommended doses are exceeded, signs of acute intoxication may occur : abdominal pain, loose stools sometimes mixed with blood, discoloration of the mucous membranes, dehydration and shock. The victim is recommended to rinse the stomach, introduce sodium thiosulfate, if necessary, prescribe medications that restore water-salt balance and anti-shock therapy. In chronic poisoning, iodinism occurs, which requires the abolition of potassium iodide preparations.
Comparison and differences

Iodomarin and Potassium iodide have the following differences:

Iodomarin Potassium iodide
Release form Tablets, lozenges for resorption. Tablets.
Producing country Germany. Russia.
Indications for use Supplement Iodomarin for a future mother is designed specifically for women who are planning a pregnancy, are already bearing a child or breastfeeding. They are advised to drink the supplement as an additional source of iodine, cyanocobalamin and folic acid.

Pastilles are recommended for children over 3 years old, as an additional source of iodine.

Storage conditions Iodomarin does not lose its properties at storage temperatures up to 25 degrees, but lozenges can not be stored at temperatures below +5 degrees. Tablets should be stored at temperatures up to 25 degrees.
Shelf life The shelf life of Iodomarin is 36 months, except for pastilles for children they have it – 24 months. Shelf life can be different depending on the manufacturer, for example, a drug manufactured by Obolensky pharmaceutical enterprise is suitable for 4 years, and Atoll LLC medication is 36 months.

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