Methotrexate-induced oral mucositis in patients with rheumatoid arthritis: A case series and literature review

Methotrexate is used as both an antineoplastic drug and disease-modifying anti-rheumatic drug. In both cases, methotrexate use may result in oral mucositis. Dentists are likely to manage patients with rheumatoid arthritis and should consider this adverse drug event when mouth ulcers are observed.