Product image of Iodid Bc (Potassium Iodide) supplied by GNH India

Iodid Bc

Active Ingredient:
Potassium Iodide
Origin:
EU

Iodid Bc (Potassium Iodide)

Potassium Iodide, the active ingredient in Iodid Bc, is an iodide presented as an oral tablet for oral use. It is employed to saturate the thyroid gland, thereby reducing uptake of radioactive iodine in individuals at risk of radiation exposure. It is especially useful for populations living near nuclear facilities or for individuals undergoing certain medical procedures involving iodine isotopes.

GNH India supplies Iodid Bc as a licensed, GDP‑compliant international pharmaceutical supplier, adhering to WHO GMP standards and providing the product to hospitals, pharmacies, and clinics worldwide for emergency preparedness and public health programs.

Manufacturer / TM Owner

Berlin-Chemie Ag

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Indications & Clinical Uses

Iodid Bc (potassium iodide) acts as a thyroid blocking agent to prevent radioactive iodine uptake.

  • Prophylaxis against radioactive iodine exposure: reduces thyroid absorption of radioactive iodine during nuclear incidents.
  • Nuclear emergency thyroid protection: provides stable iodine to saturate the gland and limit radiation dose to the thyroid.
  • Pre‑treatment before radioiodine therapy: decreases thyroid uptake of administered iodine‑131 to protect normal tissue.

How It Works

  • Potassium iodide supplies a large amount of stable iodide ions that are rapidly absorbed from the gastrointestinal tract. The excess iodide competitively inhibits the sodium‑iodide symporter in thyroid follicular cells, preventing the organification of both stable and radioactive iodine. By saturating the thyroid gland, the drug blocks subsequent uptake of radioactive iodine isotopes, thereby limiting radiation‑induced damage to thyroid tissue.

Side Effects

Potassium iodide may cause a range of adverse reactions, varying from mild to serious.

Common Side Effects

  • Metallic taste: transient metallic or salty taste in the mouth.
  • Nausea or vomiting: mild gastrointestinal upset after ingestion.
  • Stomach discomfort: abdominal pain or cramping.
  • Mild rash or itching: skin irritation at the site of contact.

Serious or Rare Side Effects

  • Allergic reaction: hives, swelling, or anaphylaxis requiring immediate medical attention.
  • Iodide‑induced hyperthyroidism: excessive thyroid hormone production, especially in individuals with underlying thyroid disease.
  • Iodide‑induced hypothyroidism: reduced thyroid hormone synthesis leading to fatigue, weight gain, and cold intolerance.

Precautions & Warnings

When using potassium iodide, several precautions should be observed to ensure safety and effectiveness.

  • Assess iodine status: evaluate baseline iodine intake before administration.
  • Avoid in known iodine allergy: contraindicated for patients with hypersensitivity to iodide.
  • Monitor thyroid function: check thyroid hormone levels in patients with pre‑existing thyroid disorders.
  • Use with caution in pregnancy: potential effects on fetal thyroid require risk‑benefit assessment.
  • Use with caution in breastfeeding: consider infant exposure through breast milk.
  • Store at room temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Potassium iodide can interact with several medicines, altering its efficacy or increasing risk of adverse effects.

Major Interactions (Avoid)

  • Lithium: concurrent use may exacerbate lithium toxicity and affect thyroid function.
  • Amiodarone: high iodine content can compound thyroid effects, increasing risk of dysfunction.
  • Antithyroid drugs (e.g., methimazole, propylthiouracil): may reduce the blocking effect of potassium iodide.

Moderate Interactions (Monitor Closely)

  • Radioactive iodine therapy: potassium iodide can negate therapeutic uptake, requiring timing adjustments.
  • Thyroid hormone replacement (levothyroxine): dosage may need modification due to altered iodine balance.
  • Diuretics (especially thiazides): can affect potassium levels, necessitating electrolyte monitoring.

Frequently Asked Questions

Iodid Bc contains potassium iodide and is used as a thyroid blocking agent to protect the thyroid gland from absorbing radioactive iodine. It is employed in nuclear emergency preparedness, prophylaxis against radioactive iodine exposure, and as a pre‑treatment measure before certain medical procedures that involve iodine isotopes.

Potassium iodide provides a large amount of stable iodide that is quickly taken up by the thyroid. The excess iodide saturates the sodium‑iodide symporter, preventing the gland from taking up additional iodine, including radioactive forms. This competitive inhibition limits the amount of radioactive iodine that can be incorporated into thyroid tissue.

The appropriate dose of Iodid Bc is determined by a qualified prescriber based on the specific exposure scenario, patient age, weight, and medical condition. Healthcare professionals follow national or international guidelines to select the correct amount, and patients should follow the prescribed regimen without deviation.

Safety of potassium iodide in pregnancy and lactation has not been definitively established. It may affect fetal or infant thyroid function, so use is generally reserved for situations where the benefit outweighs potential risk. Clinicians should evaluate each case individually and discuss possible concerns with the patient.

To order Iodid Bc, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including any cold‑chain requirements), and assistance with import documentation.

Iodid Bc (potassium iodide) is the standard and most widely used iodine supplement for thyroid blocking because it delivers stable iodide rapidly and is inexpensive. Alternative agents, such as perchlorate or thiocyanate, have different mechanisms and may be less effective or have higher toxicity, making potassium iodide the preferred choice in most emergency protocols.

Iodid Bc should be stored at room temperature, below 25 °C, in its original packaging. Keep the product away from moisture, direct sunlight, and excessive heat. Proper storage maintains potency and prevents degradation of the potassium iodide tablets.

Iodid Bc is administered orally, typically as a tablet that is swallowed with water. The tablet dissolves in the gastrointestinal tract, allowing rapid absorption of iodide. Administration should follow the timing recommendations provided by health authorities or the prescribing clinician, especially in relation to potential radiation exposure.

The most serious risks include severe allergic reactions such as anaphylaxis, iodide‑induced hyperthyroidism or hypothyroidism, and, in rare cases, acute thyroid storm. Patients should be monitored for signs of rash, swelling, difficulty breathing, or sudden changes in thyroid function, and seek immediate medical attention if these occur.

Individuals with a known allergy to iodine or iodide should avoid Iodid Bc. Patients with certain thyroid disorders, such as untreated hyperthyroidism, may be at increased risk of adverse effects and should only use the product under close medical supervision. Pregnant or breastfeeding women should use it only when the potential benefit justifies the possible risk.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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