methotrexate - injection (cont.)
USES: Methotrexate is used to treat certain types of cancer or to control severe psoriasis or rheumatoid arthritis. This medication works by interfering with cell growth and by suppressing the immune system.Early treatment of rheumatoid arthritis with more aggressive therapy such as methotrexate helps to reduce further joint damage and to preserve joint function.OTHER This section contains uses of this drug that are not listed in the approved professional labeling for the drug but that may be prescribed by your health care professional. Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care professional.This medication has also been used to treat other disorders such as lupus, psoriatic arthritis, and ectopic pregnancy.
HOW TO USE: This medication is given by injection as directed by your doctor. The dose, method of injection, and how often you receive this medication are based on your medical condition and response to treatment.For some conditions (such as rheumatoid arthritis), you may be taught to give yourself injections at home. In this case, read and learn all preparation and usage instructions from your health care professional. If you have any questions, ask your health care professional.Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid.Learn how to store and discard needles and medical supplies safely.
SIDE EFFECTS: See also Warning section.Nausea, vomiting, stomach pain, drowsiness or dizziness may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.Tell your doctor right away if you have any serious side effects, including: mouth sores, diarrhea, fever, fatigue, persistent sore throat, unusual bleeding or bruising, black stools, skin rash, enlarged glands/lymph nodes, dark urine, bone pain, unusual pain and discoloration of the skin, yellowing eyes/skin, change in the amount of urine, chest pain, dry cough, trouble breathing, calf pain/swelling, vision changes, irregular heartbeat, muscle weakness, severe headache, neck stiffness, mental/mood changes, seizures.Temporary hair loss may occur. Normal hair growth should return after treatment has ended.A serious allergic reaction to this drug is unlikely, but get medical help right away if it occurs. Symptoms of a serious allergic reaction include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Back to Medications Index