A 62-year-old woman with rheumatoid arthritis, treated with Methotrexate 15mg weekly, presents for routine blood monitoring. Her results show: Hb 110 g/L, WBC 3.0 x 10^9/L, Neutrophils 1.2 x 10^9/L, Platelets 130 x 10^9/L. LFTs are mildly elevated (ALT 60 U/L). What is the most appropriate action regarding her Methotrexate?