Thyroid function studies

 Adverse reactions are.rare  but include-

in decreasing  order of frequency , nausea, vomiting, chest pain, tachcardia, itching pain,
rash and hoves

Not known

Special Precautions/Warning-

Radioactivity -  contents are radioactive. Adequate sheilding must be maintained

Handle with care -  sodium iodide I 123  as well as other radioactive drugs must be
 handled with care and appropriate safety measures should be used

Pregnancy -  Examination using radiopharmaceuticals especially elective in nature
in women  of child bearing age capability should be peformed during the
first few ( approx ) 10 days  following onset of  mensus.

Lactation- formula feeding should be substituted for breast feeding if the agent must be
administered to the mother during lactation

Children - safety and efficacy in pediatric patients have not been established

Indication-

Thyroid function studies

Dosage-

recommended oral dose for the average 70kg  is  3,7 to 14,8 megabecquerals MBq 
100 to 400 uCi  . The lower part of the dosage range 3.7 MBq  ( 100uCi )  is recommended
 for uptake studies and the higher part, 14.8MBq  ( 400uCi ) for thyroid imaging

Storage - contains are radioactive and adequate sheilding and handling precautions
must be maintained.

Pregnancy - 
Examination using radiopharmaceuticals especially elective in nature
in women  of child bearing age capability should be peformed during the
first few ( approx ) 10 days  following onset of  mensus.

Lactation-
Formula feeding should be substituted for breast feeding if the agent must be
administered to the mother during lactation

Children -
Safety and efficacy in pediatric patients have not been established