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Oraltag Dosage

Generic name: Iohexol 4.5g
Dosage form: oral solution

Medically reviewed on November 20, 2017.

2.1 Recommended Dosing

For oral use only[see Warnings and Precautions (5.1)]

Refer to Table 1 for dosing information.

Table 1 Dosing Guidelines for Oraltag

Total volume of Oraltag administered will vary depending on the size of the patient

Patient Age

Recommended Dose*

Volume of Prepared
Solution to Administer
(at a concentration of
9 mgI per mL)

Total Iodine


Administer 4.5 g to 9 g of iodine (1 to 2 bottles of prepared solution), orally

500 mL to 1000 mL

9 grams

3 to 18 years of age

Administer up to 9 g of iodine (from less than 1 bottle up to 2 bottles of prepared solution), orally

280 mL to 750 mL,
depending on size of patient

9 grams

Less than 3 years of age

Administer up to 4.5 g of iodine (portion of 1 bottle of prepared solution), orally

120 mL to 300 mL,
depending on size of patient

4.5 grams

The variables of patient age, weight, or medical condition, may require adjustment of the concentration and/or volume of solution to be prepared for administration. If it is anticipated that the patient will have difficulty in consuming the required volume, a higher concentration of solution (up to 21 mgI per mL) can be prepared and a smaller volume administered (see Table 2).

Table 2 Preparation of Higher Concentrations of Oraltag at Lower Volumes

Examples include infant formula, milk, juice, carbonated beverage or a sports drink

For Final Concentration

Add Water or a Beverage* to the Indicated Mark on the Bottle












2.2 Preparation and Administration Instructions

  • Reconstitute Oraltag, supplied as a powder in a single use bottle, with water or other beverages just before its use
  • Do not mix other pharmaceuticals with Oraltag
  • Use the 5 fill lines premolded and labeled on the bottle to determine the volume for the 5 target concentrations (9, 12, 15, 18, and 21 mgI/mL)
  • Administer Oraltag 20 to 60 minutes before image acquisition
  • Protect prepared solution from strong daylight and direct exposure to sunlight
  • Discard any unused portions

Further information

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