Revised SPCs: Elvanse (lisdexamfetamine) hard capsules (all strengths)

Lisdexamfetamine has been shown to prolong the QTc interval (frequency unknown). It should be used with caution in patients: 1) with QTc prolongation, 2) treated with drugs affecting the QTc interval, or 3) with relevant pre-existing cardiac disease or electrolyte disturbances.

Source:

electronic Medicines compendium