I am taking methotrexate. I have gotten bumps but not sores in my mouth. I see my Dr soon and will enlighten her
Mouth sores can be a side effect of medications for psoriasis, particularly those containing methotrexate (Otrexup, Rasuvo, and Trexall). These sores may resemble psoriasis plaques but are not related to the autoimmune disease. They occur in up to one-third of people using methotrexate. If you develop mouth sores after Show Full Answer