Vaginitis is the term used to describe inflammation of vagina in female dogs. The condition is an inflammation of the vagina that can result in discharge, itching and pain.
Though happens rarely, the condition can occur at any age and in any breed.
Symptoms associated with vaginitis are
Discharge from the vulva
Male attraction (due to vaginal discharge)
Frequent urination (polyuria), even in improper locations
Frequent licking of the vagina (due irritation caused by inflammation)