Before you start treatment with Blexten, tell your doctor about:, All the prescription and over-the-counter medications you take., Your allergies., Your current health problems and past medical history, including any kidney problems you have had or may have., Your pregnancy or breastfeeding status., Blexten can cause QT prolongation, a serious heart rhythm problem. Your risk is greater if you take other QT-prolonging medications or if you have a family history of-or personally have-certain heart problems., The liquid formulation may contain sugar, aspartame, and alcohol. Caution should be used in patients with diabetes, liver problems, or phenylketonuria. All the prescription and over-the-counter medications you take., Your allergies., Your current health problems and past medical history, including any kidney problems you have had or may have., Your pregnancy or breastfeeding status.
