Differential Diagnosis for Red Bottom Eyelid with Discharge
Single Most Likely Diagnosis
- Blepharitis: This is an inflammation of the eyelids that can cause redness, swelling, and discharge. It's a common condition that can be caused by a bacterial or demodex mite infestation, making it the most likely diagnosis given the symptoms.
Other Likely Diagnoses
- Conjunctivitis: Also known as pink eye, this condition can cause redness, itching, and discharge in the eye. It can be viral, bacterial, or allergic in nature.
- Dry Eye Syndrome: Although it primarily causes irritation and a sensation of dryness, in some cases, it can lead to a mild discharge and redness of the eyelids.
- Eyelid Dermatitis: An allergic or irritant reaction that can cause redness, swelling, and sometimes discharge on the eyelids.
Do Not Miss Diagnoses
- Orbital Cellulitis: A serious infection of the tissues surrounding the eye, which can cause redness, swelling, and discharge. It requires prompt medical attention to prevent serious complications.
- Endophthalmitis: A severe inflammation of the interior of the eye, usually caused by infection. While it's less common, it's critical to diagnose and treat quickly to preserve vision.
- Keratitis: An inflammation of the cornea that can be caused by infection or injury. It can lead to serious complications if not treated properly.
Rare Diagnoses
- Eczema Herpeticum: A rare but serious complication of atopic dermatitis (eczema) that can affect the eyes and cause redness, swelling, and discharge.
- Angioedema: A rare condition that can cause sudden swelling of the eyelids, which may be accompanied by redness and discharge in some cases.
- Ocular Rosacea: A condition that can cause inflammation of the eyes, leading to redness, swelling, and discharge, often associated with rosacea of the skin.