Before using formoterol oral inhalation,
tell your doctor and pharmacist if you are allergic to formoterol, any other medications, or any of the ingredients in formoterol nebulizer solution. Ask your pharmacist or check the Medication Guide for a list of the ingredients.
tell your doctor if you use another LABA such as such as arformoterol (Brovana), indacaterol (Arcapta), olodaterol (Striverdi Respimat, in Stiolto Respimat), salmeterol (Serevent, in Advair), or vilanterol (in Anoro Ellipta, Breo Ellipta, Trelegy Ellipta). Your doctor will tell you which medication you should use and which medication you should stop using.
tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Be sure to mention any of the following: aminophylline; amiodarone (Nexterone, Pacerone); antidepressant such as amitriptyline, desipramine (Norpramin), clomipramine (Anafranil), imipramine (Tofranil), nortriptyline, or trimipramine (Surmontil); beta blockers such as atenolol (Tenormin), labetalol (Trandate), metoprolol (Lopressor, Toprol XL, others), nadolol (Corgard), propranolol (Inderal, Innopran), and sotalol (Betapace, Sorine); clonidine (Catapres); diet pills; disopyramide (Norpace); diuretics ('water pills'); dofetilide (Tikosyn); epinephrine (Primatene Mist); erythromycin (E.E.S, E-Mycin, Erythrocin); medications for colds such as phenylephrine (Sudafed PE), and pseudophedrine (Sudafed); monoamine oxidase (MAO) inhibitor such as isocarboxazid (Marplan), linezolid (Zyvox), phenelzine (Nardil), rasagiline (Azilect), selegiline (Emsam, Zelapar), and tranylcypromine (Parnate); moxifloxacin (Avelox); pimozide (Orap); procainamide; quinidine (in Nuedexta);steroids such as dexamethasone, methylprednisolone (Medrol), and prednisone (Rayos); theophylline (Theochron, Theo-24); and thioridazine. Many other medications may also interact with formoterol, so be sure to tell your doctor about all the medications you are taking, even those that do not appear on this list. Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
tell your doctor if you have asthma. Your doctor will tell you not to use formoterol inhalation unless you are using it along with an inhaled steroid medication.
tell your doctor if you have or have ever had an irregular heartbeat; QT prolongation (an irregular heart rhythm that can lead to fainting, loss of consciousness, seizures, or sudden death); high blood pressure; seizures; diabetes; or heart, liver, or thyroid disease.
tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. If you become pregnant while using formoterol, call your doctor.
you should know that formoterol inhalation sometimes causes wheezing and difficulty breathing immediately after it is inhaled. If this happens, call your doctor right away. Do not use formoterol inhalation again unless your doctor tells you that you should.