 [ Symptoms ] can rosacea cause a rash around the mouth  itchy bumps that look like pimples but are not very red [ Disease ] if you have rosacea the rash around your mouth might be a irnritent like face wash or the type of lipstick or gloss your using i have rosacea i have to be careful on what kind of face wash make up and lotion i use i recamend you get a clamming face wash and change your make up to powder