Technetium tc 99m tetrofosmin (Injection)
tek-NEE-shee-um Tc 99m te-troe-FOS-min
Medically reviewed on June 7, 2018
Commonly used brand name(s)
In the U.S.
Available Dosage Forms:
Therapeutic Class: Diagnostic Agent, Radiopharmaceutical Imaging
Uses For technetium tc 99m tetrofosmin
Technetium Tc 99m tetrofosmin injection is a radiopharmaceutical. Radiopharmaceuticals are radioactive agents, which may be used to find and treat certain diseases or to study the function of the body's organs.
Technetium Tc 99m tetrofosmin injection is used to help your doctor see an image of your heart, to see how well it is working during exercise or resting conditions. It is also used to evaluate patients with possible coronary artery disease or heart failure.
Technetium tc 99m tetrofosmin is to be given only by or under the direct supervision of a doctor with specialized training in nuclear medicine.
Before Using technetium tc 99m tetrofosmin
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For technetium tc 99m tetrofosmin, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to technetium tc 99m tetrofosmin or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Appropriate studies have not been performed on the relationship of age to the effects of technetium Tc 99m tetrofosmin injection in the pediatric population. Safety and efficacy have not been established.
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of technetium Tc 99m tetrofosmin injection in the elderly.
Studies in women breastfeeding have demonstrated harmful infant effects. An alternative to this medication should be prescribed or you should stop breastfeeding while using technetium tc 99m tetrofosmin.
Interactions with Medicines
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.
Interactions with Food/Tobacco/Alcohol
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other Medical Problems
The presence of other medical problems may affect the use of technetium tc 99m tetrofosmin. Make sure you tell your doctor if you have any other medical problems, especially:
- Breathing problems (eg, bronchoconstriction) or
- Hypotension (low blood pressure) or
- Stroke, history of—Use with caution. May make these conditions worse.
Proper Use of technetium tc 99m tetrofosmin
A doctor or other health professional will give you technetium tc 99m tetrofosmin. Technetium tc 99m tetrofosmin is given through a needle placed in a vein.
You will need to urinate right away and as often as possible after receiving technetium tc 99m tetrofosmin. Drink plenty of fluids before and after receiving technetium tc 99m tetrofosmin so you will pass more urine.
Precautions While Using technetium tc 99m tetrofosmin
It is very important that your doctor check you closely while you are receiving technetium tc 99m tetrofosmin. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to receive it.
Technetium tc 99m tetrofosmin may cause serious allergic reactions, including anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention. Check with your doctor right away if you have a rash, itching, swelling of the face, tongue, and throat, trouble breathing, or chest pain after you get the injection.
You will be exposed to radiation when you are given technetium tc 99m tetrofosmin. Talk with your doctor if you have concerns about this.
Make sure any doctor or dentist who treats you knows that you are using technetium tc 99m tetrofosmin. Technetium tc 99m tetrofosmin may affect the results of certain medical tests.
Technetium tc 99m tetrofosmin Side Effects
Along with its needed effects, a medicine 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:
- Arm, back, or jaw pain
- chest pain or discomfort
- chest tightness or heaviness
- fast or irregular heartbeat
- trouble breathing
- Blurred vision
- dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
- fast, irregular, pounding, or racing heartbeat or pulse
- unusual tiredness or weakness
Incidence not known
- difficulty with swallowing
- hives, itching, or skin rash
- puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
Some side effects 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:
- Abdominal or stomach pain
- change in the sense of smell or taste
- feeling of warmth
- redness of the face, neck, arms, and occasionally, upper chest
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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