Technetium tc 99m sulfurcolloid (Oral)

Technetium Tc 99m sulfur colloid 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 sulfur colloid helps your doctor create an image of your esophagus, stomach, and lungs to check how well they are functioning. This medicine is used to help diagnose gastroesophageal reflux disease and pulmonary aspiration.

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

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

This medicine may cause a serious allergic reaction called anaphylaxis. Anaphylaxis needs immediate medical help. The most serious signs of this reaction include very fast or irregular breathing, gasping for breath, wheezing, or fainting. Other signs may include changes in the color of the skin on the face, very fast but irregular heartbeat or pulse, hive-like swellings on the skin, and puffiness or swelling of the eyelids or around the eyes. If you notice these side effects, get emergency help right away.

You may be exposed to radiation when you receive this medicine. This may also increase your risk of developing cancer (especially in children). Talk with your doctor if you or your child have any concerns about this.

If you are a woman who can get pregnant, the imaging procedures should be done within 10 days after the start of your monthly period, or a pregnancy test should be performed within 48 hours before the procedure.

In deciding to use a diagnostic test, you and your doctor will weigh the risks of the test against its benefits. Other factors may also affect the test results. For this test, 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 so far have not shown any specific problems that would limit the use of technetium Tc 99m sulfur colloid in children.

Geriatric

While appropriate studies on how age affects the use of technetium Tc 99m sulfur colloid have not been done in older adults, no specific problems related to older adults have been documented so far.

Breast Feeding

Studies indicate that this medication may change milk production or composition. If an alternative to this medication is not prescribed, you should monitor the infant for side effects and ensure they are getting enough milk.

Interactions with Medicines

Some medicines should never be used together, while in other cases, two different medicines may be used together even if an interaction is possible. In such instances, your doctor might adjust the dose, or other precautions may be needed. 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 at or around mealtime or with certain types of food due to potential interactions. Using alcohol or tobacco with certain medicines may also lead to interactions. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

Other Medical Problems

Having other medical issues may affect the use of this diagnostic test. Be sure to tell your doctor if you have any other medical problems, especially:

• Cancer—Use with caution. May worsen this condition.

Along with its necessary effects, a medicine may cause some unwanted effects. Not all of these side effects may happen, but if they do, they might require medical attention.

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

More common

• Cold, clammy skin
• Confusion
• Cough
• Difficulty swallowing
• Dizziness
• Fast heartbeat
• Fast, weak pulse
• Hives or welts
• Itching
• Lightheadedness
• Puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
• Rash
• Redness of the skin
• Shortness of breath
• Sweating
• Tightness in the chest
• Unusual tiredness or weakness
• Wheezing

Less common

• Chills
• Difficult or labored breathing
• Fever
• Heart stops
• No breathing
• No pulse or blood pressure
• Seizures
• Unconsciousness

Some side effects may happen that usually do not require medical attention. These side effects may go away during treatment as your body gets used to the medicine. Your health care professional may also be able to suggest 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

• Abdominal or stomach pain
• Feeling of warmth
• Nausea
• Numbness
• Redness of the face, neck, arms, and occasionally, upper chest
• Vomiting

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.

• Cis Sulfur Colloid
• Technetium TC 99m TSC

Available Dosage Forms:

• Kit

Therapeutic Class: Diagnostic Agent, Radiopharmaceutical Imaging

A doctor or other trained health professional will give you or your child this medicine in a hospital or clinic. This medicine is given by mouth or by a nasogastric tube.

If this medicine is given to children by mouth, it should be combined with a milk feeding. If this medicine is given to children by a nasogastric tube, it is administered into the stomach and then followed with a dextrose or milk feeding.