How To Reduce Swelling On Face: Quite often, right? Facial swelling is a common condition caused by a plethora of factors such as lack of sleep, excess alcohol, and stress. Sometimes, it can also be a result of an injury or an underlying medical condition. The good news is you can treat your facial swelling once you know the root cause. So, let us explore the different causes of facial swelling and some simple home remedies that can help you reduce swelling on your face.