Yes. I had ulcers on my bottom lip and the sides of my mouth for about 4 months before they went away.

Yep! Happened to me too!

The infusions lower your immune response to pathogens. It is easy to get a yeast infection, especially in your mouth. Call your doctor, he or she can give you something to help.

Yes I was on iv Actemra, and taking methotrexate, I developed mouth sores, they decreased my methotrexate dose and they went away. On Enbrel and methotrexate now

I have a sore red tongue all the time. Don't know what it's from. Cold or hot foods hurt, and when it gets worse it's hard to eat. Don't think it's any of my Jed's. I'm on leflunimide for RA, had it before I started that. I do have excessive gas and bloating. I also have a numbing jell to swish In my mouth, helps for a while. I will check into the yeast infection, sounds promising