Myoview (Injection)

Technetium Tc 99m tetrofosmin injection is a radiopharmaceutical. Radiopharmaceuticals are radioactive agents that can be used to find and treat certain diseases or to study how the body's organs work.

Technetium Tc 99m tetrofosmin injection helps your doctor create an image of your heart to check how well it is functioning during exercise or when at rest. It is also used to assess patients who may have coronary artery disease or heart failure.

This medicine should only be given by a doctor who has specialized training in nuclear medicine or under their direct supervision.

It is very important that your doctor checks you closely while you are receiving this medicine. This will help your doctor see if the medicine is working properly and decide if you should continue to receive it.

This medicine 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 this medicine. Talk with your doctor if you have concerns about this.

Make sure any doctor or dentist who treats you knows that you are using this medicine. This medicine may affect the results of certain medical tests.

In deciding to use a medicine, you and your doctor will weigh the risks of taking it against the benefits it may provide. For this medicine, consider the following:

Allergies

Inform your doctor if you have ever had any unusual or allergic reactions to this medicine or any other medicines. Also, let your healthcare professional know if you have any other allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, carefully read the label or package ingredients.

Pediatric

Studies have not been done to determine how age affects the use of technetium Tc 99m tetrofosmin injection in children. Its safety and effectiveness have not been established for this group.

Geriatric

Studies conducted so far have not shown any specific problems in older adults that would limit the usefulness of technetium Tc 99m tetrofosmin injection.

Breast Feeding

Research on breastfeeding women has shown harmful effects on infants. You should either be given a different medication or stop breastfeeding while using this medicine.

Interactions with Medicines

Some medicines should never be used together. In other cases, two different medicines can be used together, but your doctor may need to adjust the dose or take other precautions. Inform your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicines.

Interactions with Food/Tobacco/Alcohol

Some medicines should not be taken around mealtime or with certain types of food due to possible interactions. Using alcohol or tobacco with certain medicines may also lead to interactions. Talk to your healthcare professional about using your medicine with food, alcohol, or tobacco.

Other Medical Problems

Having other medical conditions may affect how you can use this medicine. Be sure to tell your doctor if you have any other medical issues, especially:

• Breathing problems (e.g., bronchoconstriction) or
• Hypotension (low blood pressure) or
• History of stroke—Use with caution. It may worsen these conditions.

Along with its needed effects, a medicine may cause some unwanted effects. Not all of these side effects may occur, but if they do, they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur:

More common

• Arm, back, or jaw pain
• chest pain or discomfort
• chest tightness or heaviness
• fast or irregular heartbeat
• nausea
• sweating
• trouble breathing

Less common

• Blurred vision
• confusion
• 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

• Cough
• 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. Your health care professional may also 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, are bothersome, or if you have any questions about them:

More common

• 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.

In the U.S.

• Myoview

Available Dosage Forms:

• Kit

Therapeutic Class: Diagnostic Agent, Radiopharmaceutical Imaging

A doctor or other health professional will give you this medicine. This medicine is given through a needle placed in a vein.

You will need to urinate right away and as often as possible after receiving this medicine. Drink plenty of fluids before and after receiving this medicine so you will pass more urine.