Hello, A swollen eyelid occurs when there is inflammation or excess fluid (edema) in the connective tissues surrounding the eye. Eye allergies occur when your immune system overreacts to a foreign substance, called an allergen. Injury to eye lid , bacterial infection infection can also cause swelling . If swelling subsides don't worry ,if problem persists consult opthalmologist.
Answered2016-02-25 10:05:02
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