Butorphanol nasal and Zarxio

• Generic Name: butorphanol
• Dosage Forms: n.a.
• Other Brand Names: Stadol, Stadol NS

Butorphanol is an opioid pain medication, sometimes called a narcotic.

Butorphanol is used to treat moderate to severe pain.

Butorphanol 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.