Drug Interaction Report

Fluorouracil may interfere with imaging studies done with gallium citrate Ga-67. Let your doctor know you are receiving or have recently received fluorouracil if you are scheduled for an imaging diagnostic procedure with gallium citrate Ga-67. You may need to stop using fluorouracil for a certain amount of time before having the procedure. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Products containing folic acid may increase the effects of fluorouracil. You may be more likely to develop serious side effects such as anemia, bleeding problems, infections, and nerve damage when these medications are used together. Contact your doctor if you experience severe nausea and vomiting, diarrhea, paleness of skin, fatigue, dizziness, fainting, unusual bleeding or bruising, blood in the stools, fever, chills, body aches, flu-like symptoms, skin reactions, mouth ulcers or sores, and/or numbness, burning or tingling in your hands and feet. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.