Your vagina normally has its own healthy balance, and vaginal discharge is a normal part of keeping the area clean and protected. The concern begins when something changes from your usual pattern. Maybe the discharge suddenly smells different. Maybe there is unexpected itching. Perhaps urinating starts to sting, or the skin feels sore and irritated. These signs do not automatically mean you have an infection. But they are worth noticing, especially when several symptoms appear together or continue. Here are the important changes women should know about, and when it is better to stop guessing and speak with a healthcare professional.