Interfere w/ absorption of quinolone antibiotics (eg, ciprofloxacin, levofloxacin), tetracycline antibiotics (eg, doxycycline, minocycline), thyroid medications (eg, levothyroxine), & drugs for osteoporosis (bisphosphonates eg, alendronate). Vit D
3: Avoid taking w/ paricalcitol, calcipotriene, doxercalciferol, mineral oil. May decrease or prevent absorption w/ orlistat, or bile acid sequestrants like colesevelam, colestipol, cholestyramine. Digoxin; Al hydroxide; water pills like chlorthalidone, hydrochlorothiazide, & chlorothiazide; Mg hydroxide & Mg citrate; & fosphenytoin.