Patients w/ recent history of peritonitis (w/in last 3 mth), significant gastric or hepatic disorders, & major GI surgery; diabetes. Discoloured (black) stool may visually mask GI bleeding. Fructose intolerance, glucose-galactose malabsorption or sucrase-isomaltase insufficiency. Consider measuring blood levels in concomitant treatment w/ medicinal products w/ narrow therapeutic window. Administer at least 1 hr before or 2 hr after treatment in any medicinal products known to interact eg, alendronate & doxycycline, or w/ potential to interact based on
in vitro studies eg, levothyroxine. Pregnancy & lactation. Childn & adolescents <18 yr.