Read below for more information on other causes and treatment options.
Roof of mouth sore and swollen allergies.
These can be bacterial infections or viral infections.
Mouth sores before they become obvious spots or blisters cold sores and canker sores may cause swelling on the roof of your mouth.
Can seasonal allergies cause a sore red patch on the roof of the mouth.
Pain can also occur from irritants like smoking dental trauma or eating certain foods.
43 years experience allergy and immunology.
The roof of your mouth can be swollen and sore due to infection in your mouth.
Stress and hormonal changes may trigger a canker sore.