Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

Some products that may interact with this drug include: raltegravir, sodium polystyrene sulfonate.

Magnesium hydroxide can decrease the absorption of other drugs such as dasatinib, atazanavir, gabapentin, digoxin, mycophenolate, phosphate supplements (such as potassium phosphate), tetracycline antibiotics (such as doxycycline, minocycline), certain azole antifungals (ketoconazole, itraconazole), and quinolone antibiotics (such as ciprofloxacin, levofloxacin). Separate your doses of these medications as far as possible from your doses of magnesium hydroxide. Ask your doctor or pharmacist about how long you should wait between doses and for help finding a dosing schedule that will work with all your medications.