Methotrexate is a medication used to treat various conditions such as cancer, rheumatoid arthritis, and psoriasis. However, it can cause side effects, particularly in elderly patients. Here are some ways elderly patients can manage the side effects of methotrexate based on the provided sources.

Firstly, elderly patients should ensure that they take the medication exactly as prescribed by their healthcare provider. Methotrexate can be taken orally or through injection, and the dosage and frequency of administration can vary depending on the condition being treated. Patients should not adjust the dosage or frequency without consulting their healthcare provider [2].

Secondly, elderly patients should be aware of the potential side effects of methotrexate. Some common side effects include nausea, vomiting, diarrhea, mouth sores, and hair loss. More serious side effects can include liver damage, kidney damage, and lung problems. If elderly patients experience any of these side effects, they should contact their healthcare provider immediately [1].

Thirdly, elderly patients should maintain a healthy lifestyle while taking methotrexate. This includes eating a balanced diet, getting regular exercise, and avoiding alcohol. Methotrexate can affect the liver, so elderly patients should avoid consuming alcohol while taking this medication [2].

Lastly, elderly patients should have regular check-ups with their healthcare provider to monitor their condition and any potential side effects of methotrexate. Blood tests may be necessary to monitor liver and kidney function. Elderly patients should also inform their healthcare provider of any other medications they are taking, as some medications can interact with methotrexate [3].

In conclusion, elderly patients can manage the side effects of methotrexate by taking the medication as prescribed, being aware of potential side effects, maintaining a healthy lifestyle, and having regular check-ups with their healthcare provider. It is important for elderly patients to communicate with their healthcare provider if they experience any side effects or have any concerns about their treatment [1][2][3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/METHOTREXATE
[2] https://www.uptodate.com/contents/therapeutic-use-and-toxicity-of-high-dose-methotrexate
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5153332/