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Isotretinoin

Isotretinoin is a retinoid, which is a type of Vitamin A. It is commonly used for the treatment of severe acne. This information sheet from Great Ormond Street Hospital (GOSH) explains what isotretinoin acid is, how it is given and some of the possible side effects.

MIBG scan

An MIBG scan is used to look for uncontrolled or abnormal cell growth in the body. It works by injecting a substance called an isotope into your child’s veins. The MIBG scan is named after the chemical ‘iodine-131-metaiodobenzylguanidine’ or MIBG for short, to which the isotope is attached.

Potassium iodate 

Potassium iodate is a thyroid blocking medicine. It is given before a particular type of isotope scan at Great Ormond Street Hospital (GOSH) called a MIBG scan. The potassium iodate protects the thyroid against the isotope given during this scan.

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