Before you begin treatment with Stiolto Respimat, be sure to discuss the following with your doctor:, Your allergies, Your health problems, All the medications you take. These include prescription and over-the-counter medications, as well as vitamins and herbal supplements., If you are pregnant, think you are pregnant, or have plans to become pregnant., If you are breastfeeding or have plans to breastfeed your baby., Stiolto Respimat should not be used in patients who have acutely deteriorating COPD, a serious condition that can be fatal. Talk to your doctor about your COPD., Stiolto Respimat should not be used as a rescue inhaler., Do not use more than the recommended dose of Stiolto Respimat., Using Stiolto Respimat with other medications that have long-acting beta2-adrenergic agonists can cause serious and potentially life-threatening cardiovascular problems., Stop taking Stiolto Respimat and seek emergency care immediately if you experience swelling, itching, rash, bronchospasm, trouble breathing, or other effects. These could be signs and symptoms of a serious allergic reaction., Stiolto Respimat has the potential to cause paradoxical bronchospasm that may be fatal., Caution should be used if you have cardiovascular or convulsive problems, thyroid problems, or if you cannot tolerate sympathomimetic drugs., Stiolto Respimat can worsen glaucoma. Caution should be used if you have glaucoma., Stiolto Respimat can worsen urinary retention. Caution should be used if you have prostatic hyperplasia or bladder-neck obstruction., Stiolto Respimat can cause low potassium and high blood glucose levels. Your allergies, Your health problems, All the medications you take. These include prescription and over-the-counter medications, as well as vitamins and herbal supplements., If you are pregnant, think you are pregnant, or have plans to become pregnant., If you are breastfeeding or have plans to breastfeed your baby.