Xopenex Inhalation Solution Concentrate and Zarxio

• Generic Name: levalbuterol
• Dosage Forms: inhalation solution, concentrate
• Other Brand Names: Xopenex, Xopenex Concentrate, Xopenex HFA

Levalbuterol is a short-acting bronchodilator that relaxes muscles in the airways and increases air flow to the lungs.

Xopenex Concentrate is used to treat or prevent asthma attacks in adults and children who are at least 4 years old.

Xopenex Concentrate may also be used for purposes not listed in this medication guide.

• Generic Name: filgrastim
• Dosage Forms: injection, solution
• Other Brand Names: Neupogen, Neupogen SingleJect, Nivestym, Zarxio

Zarxio is a man-made form of granulocyte colony-stimulating factor (G-CSF). G-CSF is a substance produced by the body. It stimulates the growth of neutrophils, a type of white blood cell important in the body’s fight against infection.

Do not use this medicine if you have had a serious allergic reaction to human G-CSFs such as filgrastim or pegfilgrastim products.

Before you start treatment, tell your doctor about all of your medical conditions, including if you:

Tell your doctor about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.