Differential Diagnosis for Swollen Lower Lid and Eye Pressure

• Single most likely diagnosis
  • Blepharitis: This is an inflammation of the eyelids that can cause swelling, redness, and a feeling of pressure in the eyes. It's a common condition that can be caused by a bacterial or demodex mite infestation, and it often presents with symptoms similar to those described.
• Other Likely diagnoses
  • Conjunctivitis: Also known as pink eye, this is an inflammation or infection of the outer membrane of the eyeball and the inner eyelid. It can cause redness, itching, and swelling of the eyelids, along with a feeling of pressure.
  • Dry Eye Syndrome: This condition occurs when the eyes do not produce enough tears or the tears are of poor quality. It can cause irritation, redness, and a feeling of pressure or grittiness in the eyes.
  • Allergic Reaction: An allergic reaction to pollen, dust, or other substances can cause swelling, redness, and itching of the eyelids, along with a feeling of pressure.
• Do Not Miss (ddxs that may not be likely, but would be deadly if missed.)
  • Orbital Cellulitis: This is a serious infection of the tissues surrounding the eye, including the eyelids, eyebrow, and cheek. It can cause swelling, redness, and severe pain, and if left untreated, can lead to serious complications, including vision loss.
  • Glaucoma: This is a group of eye conditions that can damage the optic nerve, leading to vision loss and blindness. Some forms of glaucoma can cause eye pressure, pain, and swelling of the eyelids.
  • Cavernous Sinus Thrombosis: This is a rare but potentially life-threatening condition that occurs when a blood clot forms in the cavernous sinus, a group of veins located behind the eye. It can cause swelling, redness, and pain in the face and eyes, along with a feeling of pressure.
• Rare diagnoses
  • Graves' Ophthalmopathy: This is a condition in which the tissues around the eye, including the eyelids, become inflamed and swollen due to an autoimmune response. It can cause bulging of the eyes, swelling of the eyelids, and a feeling of pressure.
  • Sarcoidosis: This is a rare condition in which inflammatory cells form in various parts of the body, including the eyes. It can cause swelling, redness, and pain in the eyes, along with a feeling of pressure.
  • Wegener's Granulomatosis: This is a rare autoimmune disorder that can cause inflammation and damage to various parts of the body, including the eyes. It can cause swelling, redness, and pain in the eyes, along with a feeling of pressure.