If you are receiving Methotrexate Injection to treat your cancer: - •
- Your healthcare provider will decide your dose, how you will receive Methotrexate Injection, and how often you need to receive it, depending on your medical condition that is being treated.
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- If you are receiving high-dose Methotrexate Injection to treat your cancer, you will receive the medicine leucovorin to help prevent severe side effects ("rescue") to your bone marrow and other normal cells in your body. You will also receive intravenous (IV) fluids and other medicines to help prevent and treat side effects.
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- If you are receiving a "moderate-dose" of Methotrexate Injection to treat your cancer, you may also receive leucovorin.
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- Do not take folic acid or folinic acid during treatment with Methotrexate Injection to treat your cancer, unless your healthcare provider tells you to. Taking folic acid or folinic acid with Methotrexate Injection may make your treatment less effective.
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- Your healthcare provider will do blood tests to check for side effects during treatment with Methotrexate Injection.
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- Your healthcare provider may stop your treatment, change when you receive your treatment, or change the dose of your treatment if you have certain side effects while receiving Methotrexate Injection.
If you are receiving Methotrexate Injection for treatment of severe psoriasis, rheumatoid arthritis, or polyarticular juvenile idiopathic arthritis: - •
- You should receive your Methotrexate Injection dose 1 time each week, not every day. Serious side effects and death have happened in people who mistakenly have taken Methotrexate every day instead of 1 time each week.
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- Take folic acid or folinic acid every day during treatment with Methotrexate Injection, as instructed by your healthcare provider, to help reduce the chance of developing certain side effects, such as mouth sores.
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- If you receive too much Methotrexate Injection call your healthcare provider or go to your nearest hospital emergency room right way. You will need to receive a medicine as soon as possible to help reduce side effects that could be severe and could cause death.
In all patients receiving Methotrexate Injection: - •
- If you miss receiving a dose of Methotrexate Injection, call your healthcare provider for instructions about when to receive your next dose of Methotrexate Injection.
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