Dark Circles Under Eyes: Allergic Shiners and Nasal Congestion
Dark circles under eyes are often blamed on lack of sleep, stress, or aging. Allergies and nasal congestion can also contribute to under-eye discoloration, though. For instance, you might notice that you have tired-looking eyes even after you get plenty of rest. If dark circles occur alongside stuffiness, sneezing, itchy eyes, or puffiness, the cause…