Can seasonal allergies cause dark circles under eyes? When you’re experiencing allergies, your body releases histamines to fight the allergens. It’s the histamine that causes your eyes to get itchy and water. Naturally, you want to rub them, and doing so can cause dark circles underneath.
What do allergy dark circles look like? Allergic shiners, also called allergic facies or periorbital venous congestion, are a symptom of allergies. They appear as dark circles under the eyes and resemble bruises or “black eyes.” Allergic shiners are caused by the pooling of blood under the eyes, due to the swelling of the tissue in the nasal cavities.
Why do I suddenly have dark circles under my eyes? Oversleeping, extreme fatigue, or just staying up a few hours past your typical bedtime can cause dark circles to form under your eyes. Sleep deprivation can cause your skin to become dull and paler. The dark tissues and blood vessels beneath your skin can start to show.
Can sinusitis cause dark circles under eyes? Dark circles are also caused by chronic sinus infections, recurrent colds, or blockage of the nose by large adenoids. (If the dark circles are caused by large adenoids, your child probably breathes mostly through his mouth instead of his nose.) In most cases, dark circles under the eyes are normal and run in families.