Xenon xe 129 hyperpolarized (By breathing)Xenon Xe 129 Hyperpolarized (ZEE-non Xe 129 hye-per-POE-la-ryzd)Used to help create pictures of the lungs during magnetic resonance imaging (MRI) scans.Brand Name(s): Xenoview - Xenon Xe 129 Gas BlendThere may be other brand names for this medicine.When This Medicine Should Not Be Used: This medicine is not right for everyone. You should not receive it if you had an allergic reaction to xenon Xe 129 hyperpolarized.How to Use This Medicine: GasA doctor or other trained health professional will give you this medicine in a hospital. You will inhale the medicine through a mouthpiece placed over your mouth before you have an MRI scan.Drugs and Foods to Avoid: Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.Warnings While Using This Medicine: Tell your doctor if you are pregnant or breastfeeding. This medicine may cause transient hypoxia (low oxygen in the body). Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments. Possible Side Effects While Using This Medicine: Call your doctor right away if you notice any of these side effects:Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathingIf you notice these less serious side effects, talk with your doctor:Headache, dizziness Pain in the mouth and throatIf you notice other side effects that you think are caused by this medicine, tell your doctorCall your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 Last Updated: 5/9/2024