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DaTscan Side Effects

Generic name: ioflupane I 123

Medically reviewed by Last updated on Jan 1, 2024.

Note: This document contains side effect information about ioflupane I 123. Some dosage forms listed on this page may not apply to the brand name DaTscan.

Applies to ioflupane I 123: intravenous solution.

Serious side effects of DaTscan

Along with its needed effects, ioflupane I 123 (the active ingredient contained in DaTscan) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur while taking ioflupane I 123:

Incidence not known

Other side effects of DaTscan

Some side effects of ioflupane I 123 may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common or rare

Incidence not known

For Healthcare Professionals

Applies to ioflupane I 123: intravenous solution.


Postmarketing reports: Rash, pruritus[Ref]


Uncommon (0.1% to 1%): Nausea, dry mouth[Ref]

Nervous system

Uncommon (0.1% to 1%): Headache, vertigo, dizziness[Ref]


Postmarketing reports: Injection site pain[Ref]


1. Product Information. DaTscan (ioflupane I-123). GE Healthcare. 2022.

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.