Let's take a minute to talk about your medication. This is Granix. It helps keep healthy levels of white blood cells in your body. It is often used after chemotherapy. White blood cells help prevent or fight infections. It may have other uses, too. Granix is given as an injection under the skin, with a very thin needle. You should use it exactly as your doctor tells you to. Granix comes as both a prefilled syringe and a vial. You should read the 'Instructions for Use' for full information. Before giving a dose at home, you should demonstrate an injection to your doctor, so you feel confident. Also, your doctor will teach you how to rotate injection sites, and how to dispose of syringes. If you still have questions, your doctor or pharmacist can help. Most people tolerate this medicine well. The most common side effect is bone pain. This effect is normal if it is mild and should go away. If this or other side effects become reasons you want to stop taking Granix, please talk to your doctor or pharmacist. As with any medicine, rare but serious side effects could occur. With Granix, this includes problems with your spleen, lungs, heart, and kidney. You should read the Patient Information Sheet to know which symptoms to watch for and when to report changes. You should pay close attention to your body and call your doctor right away if you notice any unusual changes. To help keep this medicine safe for you, your doctor will follow your condition closely and may order blood tests.   Granix can interact with other medicines. You should always check with your doctor or pharmacist before taking other medicines. Women should check with their doctors before becoming pregnant and before breastfeeding. For best results with Granix, store unused doses in the refrigerator and read the 'Instructions for Use' for full information.