 [ Symptoms ] vaginal redness and irritation without discharge intercourse burns like a yeast infection but there is no discharge no smell of bacterial infection just irritation and redness [ Disease ] even without the discharge you could have an yeast infection or a numerous of std not everyone is going to have discharge as a symptom on the other hand if the pain is only during intercourse it could be due to dryness but highly unlikely with an odor most importantly seek medical attention