Will sore be on your mouth if you have mono and around your mouth if you have mono?

Yes, individuals with mononucleosis (mono) can develop sores in their mouth, often referred to as oral ulcers or lesions. These sores are typically a result of the viral infection affecting the throat and surrounding tissues. While they are not exclusive to mono, their presence can indicate the illness. If you suspect you have mono and experience mouth sores, it's best to consult a healthcare professional for proper diagnosis and management.