Differential Diagnosis for Swollen Lash Line
- Single Most Likely Diagnosis
- Blepharitis: This is an inflammation of the eyelids that can cause swelling, redness, and irritation of the lash line. It's a common condition that can be caused by bacteria, demodex mites, or other factors.
- Other Likely Diagnoses
- Hordeolum (Stye): A localized infection or inflammation of the eyelid margin involving hair follicles of the eyelashes or meibomian glands. It presents as a painful, swollen nodule on the lash line.
- Chalazion: A small bump on the eyelid due to a blocked oil gland. While it's usually painless, it can cause swelling and redness around the lash line if it becomes inflamed or infected.
- Allergic Conjunctivitis: An allergic reaction to substances like pollen, dust mites, or pet dander can cause swelling, redness, and itching around the eyes, including the lash line.
- Do Not Miss Diagnoses
- Orbital Cellulitis: A serious infection of the tissues surrounding the eye, which can cause swelling, redness, and pain around the eye, including the lash line. It requires prompt medical attention to prevent serious complications.
- Preseptal Cellulitis: An infection of the eyelid and surrounding skin, which can cause swelling, redness, and pain. While less severe than orbital cellulitis, it still requires medical evaluation and treatment.
- Rare Diagnoses
- Sarcoidosis: A systemic disease that can cause inflammation in various parts of the body, including the eyes. It can lead to swelling and lesions on the lash line, among other symptoms.
- Lacrimal Gland Tumor: A rare tumor of the lacrimal gland, which can cause swelling and protrusion of the eye, including the area around the lash line.
- Wegener's Granulomatosis (Granulomatosis with Polyangiitis): A rare autoimmune disorder that can cause inflammation and damage to various parts of the body, including the eyes, leading to swelling and other symptoms around the lash line.