When should you see a doctor for spotting between periods? While spotting between periods may not be alarming, it may be a symptom of a more severe condition. If you do experience frequent spotting and it's accompanied by other symptoms like pain, heavy bleeding, fever, or itching, visit your doctor. Spotting is usually harmless and can have various causes. In this article, you'll learn when you should see a doctor and what it means for your fertility. Spotting is any bloody vaginal discharge that doesn’t require the use of period products, like a pad or tampon (1). Any unexplained spotting should be addressed with your healthcare provider (2). Spotting can be a side effect of your hormonal contraceptive (3,4). Spotting , or light vaginal bleeding, is pretty common. Possible causes include sex, uterine fibroids, or hormonal birth control.