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Description
Methotrexate Injection is a medication used primarily in the treatment of certain cancers, autoimmune diseases, and ectopic pregnancy.
Primary Uses:
– Treatment of cancers such as leukemia, lymphoma, breast cancer, lung cancer, and osteosarcoma.
– Management of autoimmune diseases like rheumatoid arthritis, psoriasis, and certain inflammatory conditions.
– Termination of ectopic pregnancy in certain cases.
Drug Class:
– Antimetabolite and antifolate agent.
Mechanism of Action:
– Methotrexate inhibits the enzyme dihydrofolate reductase, interfering with DNA synthesis, repair, and cell replication. It targets rapidly dividing cells such as cancer cells and immune cells.
Common Forms:
– Injectable form, often supplied as a sterile solution for intravenous, intramuscular, or intrathecal administration.
Dosage Instructions:
– Dosage varies depending on the condition treated and patient factors.
– Administered by a healthcare professional under strict medical supervision.
– Monitoring through blood tests is essential during treatment to assess for toxicity and effectiveness.
Side Effects and Cautions:
– Side effects may include nausea, vomiting, mouth sores, fatigue, and increased risk of infection.
– Serious risks include liver toxicity, bone marrow suppression, lung damage, kidney damage, and allergic reactions.
– Use is contraindicated in pregnancy unless specifically indicated and closely monitored.
– Careful assessment of drug interactions and patient health status is necessary.
Methotrexate Injection is used to treat various cancers and autoimmune diseases by inhibiting DNA synthesis in rapidly dividing cells. It requires medical supervision for administration and monitoring.
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