Tetrofosmin: Side Effects, Uses & Monitoring
Tetrofosmin is a diagnostic agent used to assess areas of reversible myocardial ischemia in the presence or absence of infracted myocardium and is also used to assess ventricular function.
- Data source
- FDA labeling via NIH DailyMed (label 73c67954…)
- Label version
- current
- Last reviewed
- 2026
Reported adverse reactions
Reactions listed in current FDA labeling, with the highest frequency reported across summarized placebo-controlled trials.
No structured frequency data available in current labeling. Consult the official label.
Labeled uses (from FDA prescribing information)
Tetrofosmin is a diagnostic agent used to assess areas of reversible myocardial ischemia in the presence or absence of infracted myocardium and is also used to assess ventricular function. PHYSICAL HALF-LIFE & TARGET ORGANS The physical half-life of technetium, Tc99m, is 6 hours and has a principal radiation emission of gamma photons with a mean energy of 140 KeV. Estimated Absorbed Radiation Dose (Technetium Tc99m Tetrofosmin Injection) | Absorbed radiation dose | | Exercise | Rest | Target organ | rad/mCi | µGy/MBq | rad/mCi | µGy/MBq | Gall bladder wall | 0.123 | 33.2 | 0.180 | 48.6 | Upper large intestine | 0.075 | 20.1 | 0.113 | 30.4 | Bladder wall | 0.058 | 15.6 | 0.071 | 19.3 | Lower large intestine | 0.057 | 15.3 | 0.082 | 22.2 | Small intestine | 0.045 | 12.1 | 0.063 | 17.0 | Kidney | 0.039 | 10.4 | 0.046 | 12.5 | Salivary glands | 0.030 | 8.04 | 0.043 | 11.6 | Ovaries | 0.029 | 7.88 | 0.035 | 9.55 | Uterus | 0.027 | 7.34 | 0.031 | 8.36 | Bone surface | 0.023 | 6.23 | 0.021 | 5.58 | Pancreas | 0.019 | 5.00 | 0.018 | 4.98 | Stomach | 0.017 | 4.60 | 0.017 | 4.63 | Thyroid | 0.016 | 4.34 | 0.022 | 5.83 | Adrenals | 0.016 | 4.32 | 0.015 | 4.11 | Heart wall | 0.015 | 4.14 | 0.0…
Frequently Asked Questions
What is Tetrofosmin used for?
FDA labeling lists the approved uses shown above under "Labeled uses." This summary is informational; only a qualified prescriber can determine whether a medication is appropriate for you.
What are the most commonly reported side effects of Tetrofosmin?
Current labeling for this ingredient does not include a structured frequency table that we can reproduce. Review the official label linked below.
Does Tetrofosmin require lab monitoring?
Monitoring needs vary. Ask your healthcare provider whether any lab tests apply while taking Tetrofosmin.
Where does this information come from?
All clinical facts on this page were extracted from the current FDA-registered product labeling for this ingredient, published by manufacturers through NIH DailyMed. See the source link below.
Medical disclaimer: Educational content extracted from public FDA labeling. Not medical advice. Always consult a qualified healthcare professional before starting, stopping, or changing any medication.