Name: Emapalumab-lzsg Injection
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Why is this medication prescribed?
Emapalumab-lzsg injection is used to treat adults and children (newborn and older) with primary hemophagocytic lymphohistiocytosis (HLH; an inherited condition in which the immune system does not work normally and causes swelling and damage to the liver, brain, and bone marrow) whose disease has not improved, has gotten worse, or has come back after previous treatment or who are unable to take other medications. Emapalumab-lzsg injection is in a class of medications called monoclonal antibodies. It works by blocking the action of a certain protein in the immune system that causes inflammation.
What special precautions should I follow?
Before receiving emapalumab-lzsg injection,
- tell your doctor and pharmacist if you are allergic to emapalumab-lzsg, any other medications, or any of the ingredients in emapalumab-lzsg injection. Ask your pharmacist or check the Medication Guide for a list of the ingredients.
- tell your doctor if you have or have ever had any medical condition.
- tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
- tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while receiving emapalumab-lzsg injection, call your doctor.
- you should know that emapalumab-lzsg injection may decrease your ability to fight infection from bacteria, viruses, and fungi and increase the risk that you will get a serious or life-threatening infection. Tell your doctor if you often get any type of infection or if you have or think you may have any type of infection now. This includes minor infections (such as open cuts or sores), infections that come and go (such as herpes or cold sores), and chronic infections that do not go away. If you experience any of the following symptoms during or shortly after your treatment with emapalumab-lzsg injection, call your doctor immediately: fever, sweats, or chills; muscle aches; cough; bloody mucus; shortness of breath; sore throat or difficulty swallowing; warm, red, or painful skin or sores on your body; diarrhea; stomach pain; frequent, urgent, or painful urination; or other signs of infection.
- you should know that receiving emapalumab-lzsg injection increases the risk that you will develop tuberculosis (TB; a serious lung infection), especially if you are already infected with TB but do not have any symptoms of the disease. Tell your doctor if you have or have ever had TB, if you have lived in a country where TB is common, or if you have been around someone who has TB. Your doctor will check you for TB before starting treatment with emapalumab-lzsg injection and may treat you for TB if you have a history of TB or have active TB. If you have any of the following symptoms of TB or if you develop any of these symptoms during your treatment, call your doctor immediately: cough, coughing up blood or mucus, weakness or tiredness, weight loss, loss of appetite, chills, fever, or night sweats.
- do not have any vaccinations without talking to your doctor during your treatment with emapalumab-lzsg injection and for at least 4 weeks after your final dose.
What special dietary instructions should I follow?
Unless your doctor tells you otherwise, continue your normal diet.
In case of emergency/overdose
In case of overdose, call the poison control helpline at 1-800-222-1222. Information is also available online at https://www.poisonhelp.org/help. If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services at 911.