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Iodotope Side Effects

Generic Name: sodium iodide-i-131

Note: This document contains side effect information about sodium iodide-i-131. Some of the dosage forms listed on this page may not apply to the brand name Iodotope.

Applies to sodium iodide-i-131: compounding powder, oral capsule, oral liquid


Cardiovascular side effects have included chest pain and tachycardia.[Ref]


Dermatologic side effects have included itching skin, rash, and hives.[Ref]


Endocrine side effects have included acute thyroid crisis.[Ref]


Gastrointestinal side effects have included nausea and vomiting.[Ref]


Hematologic side effects have included blood dyscrasia, leukopenia, thrombocytopenia, depression of hematopoietic system, and anemia.[Ref]


Local side effects have included tenderness and swelling of the neck, pain on swallowing, sore throat, and cough (usually around the third day after treatment).[Ref]


Oncologic side effects have included acute leukemia.[Ref]


Other side effects have included temporary thinning of the hair (may occur 2 to 3 months after treatment), chromosomal abnormalities, radiation sickness, and death.[Ref]


1. Saha GB. "Fundamentals of Nuclear Pharmacy. 4th ed." New York, NY: Springer-Verlag (1998):

2. "Product Information. Sodium Iodide-1-131 (sodium iodide-I-131)." Mallinckrodt Medical Inc, St. Louis, MO.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.