Ask your patients about their medical conditions, including if they: Have or their family has a history of suicide, bipolar disorder, depression, mania, or hypomania Have blood pressure or heart rate problems Have severe kidney disease or dysfunction. Their dose of Qelbree and/or other medicines may need to be reduced Are pregnant or plan on becoming pregnant Are breastfeeding or plan to breastfeed Ask your patients about all the medicines they take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. Taking Qelbree with certain other medicines may cause side effects or affect how well they work.Especially ask if your patients take: Asthma medicines including theophylline Anti-depression medicines including MAOIs monoamine oxidase inhibitors Medicines metabolized by liver enzymes CYP1A2 Do not administer Qelbree if patients are allergic to viloxazine or any of the other ingredients in Qelbree. You can direct your patients to the Medication Guide for a complete list of ingredients in Qelbree. Do not administer Qelbree if patients also take a medicine called a monoamine oxidase inhibitor (e.g., isocarboxazid, phenelzine, selegiline, tranylcypromine).