Drug Interaction Report

Ferric citrate may decrease the absorption and blood levels of elvitegravir when taken at the same time. Therefore, ferric citrate should be taken at least 2 hours before or 2 hours after you take elvitegravir. Consult with your doctor if you have any questions or concerns. 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.

Food significantly increases the absorption of elvitegravir. You should take each dose of elvitegravir with a meal. Taking it on an empty stomach may lead to inadequate blood levels and reduced effectiveness of the medication in treating HIV infection.

Food may reduce the absorption and blood levels of ferric citrate. In addition, some oral medications can also interfere with ferric citrate absorption into the bloodstream, which may make the medication less effective in treating your condition. Likewise, ferric citrate may interfere with the absorption of other orally administered medications. You should take ferric citrate on an empty stomach at least one hour before or two hours after a meal. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring to safely use both medications. Talk to your doctor or pharmacist if you have questions about 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.