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Gemtuzumab Ozogamicin

Generic Name: Gemtuzumab Ozogamicin (gem TOO zoo mab oh zog a MY sin)
Brand Name: Mylotarg

  • Liver problems have happened with gemtuzumab ozogamicin. Sometimes, this has been life-threatening or deadly. The chance of liver problems is higher in people who had a stem cell transplant before or after treatment with this medicine. It is also higher in people who have already had liver problems and in people getting higher doses of gemtuzumab ozogamicin. Tell your doctor if you have ever had liver problems or a stem cell transplant.
  • Have blood work checked as you have been told by the doctor. Talk with the doctor.

Uses of Gemtuzumab Ozogamicin:

  • It is used to treat a type of leukemia.

What do I need to tell my doctor BEFORE I take Gemtuzumab Ozogamicin?

  • If you have an allergy to gemtuzumab ozogamicin or any other part of this medicine.
  • If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
  • If you are breast-feeding. Do not breast-feed while you take gemtuzumab ozogamicin or for 1 month after you stop this medicine.

This medicine may interact with other drugs or health problems.

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take gemtuzumab ozogamicin with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take Gemtuzumab Ozogamicin?

  • Tell all of your health care providers that you take this medicine. This includes your doctors, nurses, pharmacists, and dentists.
  • You may bleed more easily. Be careful and avoid injury. Use a soft toothbrush and an electric razor. Rarely, some bleeding problems have been deadly.
  • You may have more chance of getting an infection. Wash hands often. Stay away from people with infections, colds, or flu.
  • Talk with your doctor before getting any vaccines. Use with gemtuzumab ozogamicin may either raise the chance of an infection or make the vaccine not work as well.
  • Infusion reactions have happened with this medicine. Sometimes, these could be very bad or life-threatening. Talk with the doctor.
  • Infusion reactions can happen up to 24 hours after gemtuzumab ozogamicin is given.
  • If you are 65 or older, use this medicine with care. You could have more side effects.
  • This medicine may affect fertility. Fertility problems may lead to not being able to get pregnant or father a child. Talk with the doctor.
  • If you are a man and have sex with a female who could get pregnant, protect her from pregnancy during care and for 3 months after care ends. Use birth control that you can trust.
  • If you are a man and your sex partner gets pregnant while you take gemtuzumab ozogamicin or within 3 months after your last dose, call your doctor right away.
  • This medicine may cause harm to the unborn baby if you take it while you are pregnant.
  • If you are able to get pregnant, a pregnancy test will be done to show that you are NOT pregnant before starting this medicine. Talk with your doctor.
  • Use birth control that you can trust to prevent pregnancy while taking gemtuzumab ozogamicin and for 6 months after stopping this medicine.
  • If you get pregnant while taking gemtuzumab ozogamicin or within 6 months after your last dose, call your doctor right away.

How is this medicine (Gemtuzumab Ozogamicin) best taken?

Use this medicine as ordered by your doctor. Read all information given to you. Follow all instructions closely.

  • It is given as an infusion into a vein over a period of time.
  • Other drugs will be given with gemtuzumab ozogamicin to help avoid side effects.

What do I do if I miss a dose?

  • Call your doctor to find out what to do.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
  • Signs of infection like fever, chills, very bad sore throat, ear or sinus pain, cough, more sputum or change in color of sputum, pain with passing urine, mouth sores, or wound that will not heal.
  • Signs of bleeding like throwing up blood or throw up that looks like coffee grounds; coughing up blood; blood in the urine; black, red, or tarry stools; bleeding from the gums; vaginal bleeding that is not normal; bruises without a reason or that get bigger; or any bleeding that is very bad or that you cannot stop.
  • Signs of electrolyte problems like mood changes, confusion, muscle pain or weakness, a heartbeat that does not feel normal, seizures, not hungry, or very bad upset stomach or throwing up.
  • Stomach swelling or fast weight gain.
  • Fever or chills.
  • A fast heartbeat.
  • A heartbeat that does not feel normal.
  • Very bad dizziness or passing out.
  • Shortness of breath.
  • Not able to pass urine or change in how much urine is passed.
  • This medicine can cause a very bad and sometimes deadly bowel problem (neutropenic enterocolitis). Call your doctor right away if you have stomach pain with or without a fever.

What are some other side effects of Gemtuzumab Ozogamicin?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

  • Upset stomach or throwing up.
  • Hard stools (constipation).
  • Mouth irritation or mouth sores.
  • Headache.
  • Feeling tired or weak.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.

Side effects (complete list)

If OVERDOSE is suspected:

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out Gemtuzumab Ozogamicin?

  • If you need to store this medicine at home, talk with your doctor, nurse, or pharmacist about how to store it.

Consumer Information Use and Disclaimer

  • If your symptoms or health problems do not get better or if they become worse, call your doctor.
  • Do not share your drugs with others and do not take anyone else's drugs.
  • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
  • Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Check with your pharmacist about how to throw out unused drugs.
  • Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about gemtuzumab ozogamicin, please talk with your doctor, nurse, pharmacist, or other health care provider.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
  • This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about gemtuzumab ozogamicin. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using gemtuzumab ozogamicin.

Review Date: November 1, 2017

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