|Pronunciation:||meth oh TREX ate|
|Brand:||Methotrexate Sodium, Preservative Free|
|Methotrexate can harm an unborn baby or cause birth defects. Do not use if you are pregnant. Use birth control to prevent pregnancy while you are receiving methotrexate injection, whether you are a man or a woman. Methotrexate injection use by either parent may cause birth defects.|
|Methotrexate injection can cause serious or life-threatening side effects on your liver, lungs, kidneys, and bone marrow (immune system). To check for harmful effects, your blood will need to be tested often. Your kidney or liver function may also need to be tested, and you may need an occasional liver biopsy or chest x-ray. Visit your doctor regularly.|
|You may not be able to receive methotrexate injection if you have liver disease (especially if caused by alcoholism), a blood cell or bone marrow disorder, or if you are breast-feeding a baby. Your doctor will decide if this treatment is right for you.|
There are many other drugs that can interact with methotrexate. Tell your doctor about all medications you use.
Methotrexate interferes with the growth of certain cells of the body, especially cells that reproduce quickly, such as cancer cells, bone marrow cells, and skin cells.
Methotrexate injection is used to treat leukemia and certain types of cancer of the breast, skin, head and neck, or lung. Methotrexate injection is also used to treat severe psoriasis and rheumatoid arthritis.
Methotrexate injection is usually given after other medications have been tried without successful treatment of symptoms.
Methotrexate injection may also be used for purposes not listed in this medication guide.
|You should not use this medication if you are allergic to methotrexate (Rheumatrex, Trexall). Do not use methotrexate injection to treat psoriasis or rheumatoid arthritis if you have:|
Methotrexate injection is sometimes used to treat cancer even when patients do have one of the conditions listed above. Your doctor will decide if this treatment is right for you.
To make sure you can safely use methotrexate, tell your doctor if you have any of these other conditions:
|FDA pregnancy category X. This medication can harm an unborn baby or cause birth defects. Do not use methotrexate if you are pregnant. Tell your doctor right away if you become pregnant during treatment.|
Use birth control to prevent pregnancy while you are receiving methotrexate injection, whether you are a man or a woman. Methotrexate injection use by either parent may cause birth defects.
If you are a man, use a condom to keep from causing a pregnancy while you are receiving methotrexate injection. Continue using condoms for at least 90 days after your treatment ends.
If you are a woman, use an effective form of birth control while you are receiving methotrexate injection, and for at least one cycle of ovulation after your treatment ends.
|Methotrexate can pass into breast milk and may harm a nursing baby. Do not breast-feed while you are using methotrexate.|
Methotrexate is injected into a muscle, or into a vein through an IV. Methotrexate may also be injected directly into a joint, or into the area around your spinal cord. You will receive this injection in a clinic or hospital setting.
To be sure this medication is not causing harmful effects, your blood will need to be tested often. Your kidney or liver function may also need to be tested, and you may need an occasional liver biopsy or chest x-ray. Visit your doctor regularly.
Call your doctor for instructions if you miss an appointment for your methotrexate injection.
|Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of methotrexate injection can be fatal.|
Overdose symptoms may include headache, confusion, nausea, vomiting, or seizure (convulsions).
|This medication may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.|
|Avoid exposure to sunlight or artificial UV rays (sunlamps, tanning beds, or PUVA treatment), especially if you have psoriasis. Methotrexate injection can make your skin more sensitive to sunlight and your psoriasis may worsen.|
|Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.|
|Call your doctor at once if you have a serious side effect such as:|
Less serious side effects may include:
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.
Many drugs can interact with methotrexate injection. Below is just a partial list. Tell your doctor if you are using:
This list is not complete and there are many other drugs that can interact with methotrexate. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor. Keep a list of all your medicines and show it to any healthcare provider who treats you.
Your doctor or pharmacist can provide more information about methotrexate injection.
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.
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