Drug Interaction Report

Grepafloxacin and selenium should not be taken orally at the same time. Products that contain magnesium, aluminum, calcium, iron, and/or other minerals may interfere with the absorption of grepafloxacin into the bloodstream and reduce its effectiveness. If possible, it may be best to avoid taking selenium while you are being treated with grepafloxacin. Otherwise, grepafloxacin should be taken 2 to 4 hours before or 4 to 6 hours after a selenium dose, grepafloxacin should be taken at least 2 hours before and not less than 6 hours after Suprep Bowel Prep (magnesium/potassium/sodium sulfates), or grepafloxacin and selenium should be taken as directed by your healthcare provider. Talk to your healthcare provider if you are unsure whether your medications contain something that could potentially interact or if you have questions on how to take this or other medications you are prescribed. 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.

Grepafloxacin and zinc sulfate should not be taken orally at the same time. Products that contain magnesium, aluminum, calcium, iron, and/or other minerals may interfere with the absorption of grepafloxacin into the bloodstream and reduce its effectiveness. If possible, it may be best to avoid taking zinc sulfate while you are being treated with grepafloxacin. Otherwise, grepafloxacin should be taken 2 to 4 hours before or 4 to 6 hours after a zinc sulfate dose, grepafloxacin should be taken at least 2 hours before and not less than 6 hours after Suprep Bowel Prep (magnesium/potassium/sodium sulfates), or grepafloxacin and zinc sulfate should be taken as directed by your healthcare provider. Talk to your healthcare provider if you are unsure whether your medications contain something that could potentially interact or if you have questions on how to take this or other medications you are prescribed. 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.