How are you? Methotrexate is an antimetabolite and antifolate drug used in treatment of cancer and autoimmune diseases. It acts by inhibiting the metabolism of folic
acid. It is usually advised to avoid exposure to sunlight or artificial UV rays and drinking alcohol while taking methotrexate. And it is not used with kidney or liver disease, lung disease or stomach ulcers. It is important that you follow the prescribed schedule and dosage. If you will be taking this medication again in the future, i would recommend that you first clear this out with your doctor. Take care and regards.