What is Xatmep?
Xatmep is used to treat leukemia and certain types of cancer of the breast, skin, head and neck, lung, or uterus.
Xatmep is also used to treat active polyarticular-course juvenile rheumatoid arthritis in children.
Xatmep is sometimes given when other medicines have not been effective.
Xatmep may also be used for purposes not listed in this medication guide.
Xatmep may cause injury or death to an unborn baby and should not be used during pregnancy to treat arthritis or psoriasis. This medicine is sometimes used to treat cancer during pregnancy. Tell your doctor if you are pregnant or plan to become pregnant.
YOU MAY NOT NEED TO TAKE Xatmep EVERY DAY. Some people have died after incorrectly taking this medicine every day. You must use the correct dose for your condition.
Xatmep can cause serious or fatal side effects. Tell your doctor if you have diarrhea, mouth sores, cough, shortness of breath, upper stomach pain, dark urine, numbness or tingling, muscle weakness, confusion, seizure, or skin rash that spreads and causes blistering and peeling.
Before taking this medicine
You should not use Xatmep if you are allergic to it. You may not be able to take this medicine if you have:
alcoholism, cirrhosis, or chronic liver disease;
low blood cell counts;
a weak immune system or bone marrow disorder; or
if you are pregnant or breastfeeding.
Xatmep is sometimes used to treat cancer in people who have a condition listed above. Your doctor will decide if this treatment is right for you.
Tell your doctor if you have ever had:
liver problems, especially fluid in your stomach (ascites);
lung problems, especially fluid in the lungs (pleural effusion);
radiation treatments; or
Tell your doctor if you are pregnant or plan to become pregnant. Xatmep may cause injury or death to an unborn baby and should not be used during pregnancy to treat arthritis or psoriasis. However, this medicine is sometimes used to treat cancer during pregnancy.
Xatmep can harm an unborn baby if the mother or the father is using Xatmep.
If you are a woman, you may need to have a negative pregnancy test before starting this treatment. Use effective birth control to prevent pregnancy while you are using Xatmep and for at least 6 months after your last dose.
If you are a man, use effective birth control if your sex partner is able to get pregnant. Keep using birth control for at least 3 months after your last dose.
Tell your doctor right away if a pregnancy occurs while either the mother or the father is using Xatmep.
This medicine may affect fertility (ability to have children) in both men and women. However, it is important to use birth control to prevent pregnancy because Xatmep may harm the baby if a pregnancy does occur.
Do not breastfeed while using this medicine, and for at least 1 week after your last dose.
Do not give this medicine to a child without the advice of a doctor.
How should I take Xatmep?
YOU MAY NOT NEED TO TAKE Xatmep EVERY DAY. This medicine is sometimes taken only once per week, or 2 to 4 times per week. Some conditions are treated daily for just a few days followed by a rest period of 1 week or longer before taking the medicine again.
You must use the correct dose. Some people have died after incorrectly taking Xatmep every day.
Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.
Measure liquid medicine carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).
Xatmep can be toxic to your organs, and may lower your blood cell counts. You will need frequent medical tests, and you may need an occasional liver biopsy or chest X-ray. Your cancer treatments may be delayed based on the results.
If you need to be sedated for dental work, tell your dentist you currently use Xatmep.
Store Xatmep at room temperature away from moisture, heat, and light.
You may store Xatmep in a refrigerator or at room temperature. Avoid freezing or high heat. Throw away any unused Xatmep after 60 days if kept at room temperature.
What happens if I miss a dose?
Call your doctor for instructions if you miss a dose of Xatmep.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of methotrexate can be fatal.
What should I avoid while taking Xatmep?
Avoid drinking alcohol. It may increase your risk of liver damage.
Do not receive a "live" vaccine while using Xatmep, or you could develop a serious infection. Live vaccines include measles, mumps, rubella (MMR), rotavirus, typhoid, yellow fever, varicella (chickenpox), zoster (shingles), and nasal flu (influenza) vaccine.
Xatmep could make you sunburn more easily. Avoid sunlight or tanning beds. Wear protective clothing and use sunscreen (SPF 30 or higher) when you are outdoors.
Xatmep side effects
Get emergency medical help if you have signs of an allergic reaction (hives, difficult breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning in your eyes, skin pain, red or purple skin rash that spreads and causes blistering and peeling).
Xatmep can cause serious or fatal side effects. Call your doctor at once if you have:
sudden chest pain, wheezing, dry cough, cough with mucus, chest pain, feeling short of breath;
blisters or ulcers in your mouth, red or swollen gums, trouble swallowing;
vomiting, diarrhea, blood in your urine or stools;
skin changes such as redness, warmth, swelling, or oozing;
low blood cell counts--fever, chills, tiredness, mouth sores, skin sores, easy bruising, unusual bleeding, pale skin, cold hands and feet, feeling light-headed or short of breath;
kidney problems--little or no urination, swelling in your feet or ankles;
nerve problems--confusion, weakness, drowsiness, coordination problems, feeling irritable, headache, neck stiffness, vision problems, loss of movement in any part of your body, seizure; or
signs of tumor cell breakdown--tiredness, weakness, muscle cramps, nausea, vomiting, diarrhea, fast or slow heart rate, tingling in your hands and feet or around your mouth.
Common side effects may include:
fever, chills, tiredness, not feeling well;
low blood cell counts;
nausea, stomach pain;
abnormal liver function tests;
burning skin lesions; or
being more sensitive to light.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What other drugs will affect Xatmep?
Tell your doctor about all your other medicines, especially:
an antibiotic or sulfa drug;
Many drugs can affect Xatmep. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed here. Tell your doctor about all your current medicines and any medicine you start or stop using.
Frequently asked questions
- Why should I take folic acid with methotrexate?
- Does it cause weight gain?
- How long does it take to work?
- How do I know if methotrexate is working for rheumatoid arthritis?
- What causes Plaque Psoriasis?
- How long does methotrexate stay in your system?
- What are the different brands of methotrexate?
More about Xatmep (methotrexate)
- Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Interactions
- Pricing & Coupons
- En Español
- Drug class: antimetabolites
- FDA Approval History
Related treatment guides
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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