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Eye Watery Discharge (Epiphora)

What is Eye Watery Discharge (epiphora)?

Epiphora, derived from the Greek words “epi” (“upon”) and “phora” (“flow”), describes an abnormal overflow of tears from the eyes. Under normal circumstances, tears are produced by the lacrimal glands, spread across the ocular surface, and drain through a tiny system of puncta, canaliculi, the lacrimal sac, and finally the nasolacrimal duct into the nose. When any part of this pathway is disrupted, tears cannot drain properly and pool, leading to a constant or intermittent watery “discharge.”

While occasional tearing after a emotional moment or exposure to wind is normal, persistent epiphora is a symptom that signals an underlying ocular or systemic condition that may need evaluation.

Common Causes

Epiphora can be divided into two broad categories: excessive tear production and **impaired drainage**. Below are the most frequent conditions that produce watery eyes.

• Dry‑eye syndrome (keratoconjunctivitis sicca) – Paradoxically, severe dryness triggers reflex tearing.
• Allergic conjunctivitis – Pollen, pet dander, or mold cause inflammation and watery eyes.
• Blepharitis – Inflammation of the eyelid margin impairs the function of the tear film.
• Entropion or ectropion – Inward‑ or outward‑turning eyelids can block the puncta.
• Nasolacrimal duct obstruction (NLDO) – Blockage anywhere from the puncta to the nasal cavity.
• Conjunctival infections (bacterial or viral) – Conjunctivitis often presents with watery discharge early on.
• Eye trauma or foreign body – Mechanical irritation stimulates tear production.
• Posterior ptosis or levator dysfunction – Poor eyelid position can affect tear drainage.
• Medication side‑effects – Certain antihistamines, isotretinoin, or chemotherapy agents alter tear dynamics.
• Systemic conditions – Autoimmune diseases (e.g., Sjögren’s syndrome) and neurologic disorders (e.g., facial nerve palsy) may impact lacrimal function.

Associated Symptoms

Because the tear system is closely linked to the ocular surface and nasal passages, epiphora often appears with other signs:

• Redness or swelling of the conjunctiva (pink eye)
• Itching or burning sensation
• Grittiness or foreign‑body feeling
• Mucous or purulent discharge (suggesting infection)
• Crusting on the lashes, especially after sleep
• Blurred vision that improves after blinking
• Swelling of the inner corner of the eye (punctal edema)
• Recurrent sinus or nasal congestion (when NLDO backs up into the nose)

When to See a Doctor

Most cases of mild tearing resolve with simple home care, but you should schedule an eye‑care appointment if you notice any of the following:

• Watery discharge lasting longer than two weeks without improvement
• Accompanying pain, severe redness, or sudden vision loss
• Discharge that is thick, yellow/green, or foul‑smelling
• Swelling of the eyelid, puncta, or the area beneath the eye
• Difficulty keeping the eye open (ptosis) or a change in eyelid position
• Recurring episodes despite over‑the‑counter treatments
• History of recent eye surgery, trauma, or a foreign body
• Symptoms of an underlying systemic disease (e.g., joint pain, dry mouth)

Prompt evaluation helps prevent complications such as chronic conjunctivitis, corneal ulceration, or permanent blockage of the nasolacrimal duct.

Diagnosis

Eye specialists (ophthalmologists or optometrists) use a step‑wise approach to pinpoint the cause of epiphora.

1. Medical History

• Onset, duration, and pattern of tearing
• Recent exposures (allergens, chemicals, wind)
• Medication list, including eye drops
• Past ocular or sinus surgeries
• Systemic illnesses (autoimmune, neurologic)

2. External Examination

• Inspection of eyelid position, lash alignment, and skin around the eye
• Assessment of puncta patency with a fine probe or fluorescein dye
• Evaluation for signs of blepharitis, meibomian gland dysfunction, or infection

3. Slit‑lamp Biomicroscopy

Provides a magnified view of the cornea, conjunctiva, and tear film. The clinician may perform the fluorescein dye test to check for corneal abrasions or staining patterns.

4. Lacrimal Drainage Tests

• Fluorescein dye disappearance test (FDDT) – Drops of dye are placed in the eye; normal drainage clears the dye within 5 minutes.
• Jones dye test – Uses a colored dye to trace the tear pathway, helpful for complex obstructions.
• Nasolacrimal duct probing – A thin probe is passed through the puncta to assess resistance.

5. Imaging (if needed)

• CT or MRI of the orbit and sinuses to evaluate bony obstruction, tumors, or cellulitis.
• Ultrasound dacryocystography for detailed view of the lacrimal sac.

Treatment Options

Treatment is tailored to the underlying cause and ranges from simple self‑care to minor surgery.

1. Conservative/Home Measures

• Warm compresses (5–10 minutes, 2–3×/day) – Helps melt meibomian gland secretions and reduces blepharitis.
• Lid hygiene – Gentle cleansing with diluted baby shampoo or commercially prepared lid scrubs.
• Artificial tears – Preservative‑free drops replenish the tear film without worsening drainage.
• Allergy control – Oral antihistamines, intranasal corticosteroids, or eye‑drop antihistamines for allergic conjunctivitis.
• Avoid irritants – Smoke, wind, and strong chemicals.

2. Pharmacologic Therapy

• Topical antibiotics (e.g., erythromycin ointment) for bacterial conjunctivitis.
• Topical antiviral agents (e.g., ganciclovir) for viral causes such as adenovirus.
• Topical corticosteroids (short‑course) for severe allergic or inflammatory reactions—prescribed by a clinician.
• Cyclosporine eye drops for chronic dry‑eye‑induced reflex tearing.

3. Procedures for Drainage Obstruction

• Nasolacrimal duct probing – First‑line for children and mild adult blockages.
• Silicone intubation – Placement of a tiny silicone tube through the canaliculi to keep the tract open (usually 3–6 months).
• Endoscopic dacryocystorhinostomy (DCR) – Surgical creation of a new opening between the lacrimal sac and the nasal cavity; performed endoscopically or via an external incision.
• Balloon dacryoplasty – A catheter with a deflated balloon is inserted and then inflated to widen a scarred duct.

4. Surgical Correction of Lid Malpositions

• Ectropion/Entropion repair – Tightening or repositioning of the eyelid to restore punctal alignment.
• Blepharoplasty – Removes excess skin or fat that may be pulling the lid away from the globe.

5. Management of Systemic Causes

• Treat underlying autoimmune disease (e.g., systemic immunomodulators for Sjögren’s).
• Address neurologic deficits with targeted therapy or facial reanimation surgery.

Prevention Tips

• Maintain good eyelid hygiene; clean the lids daily if you have blepharitis or meibomian gland dysfunction.
• Use preservative‑free artificial tears if you spend long periods in air‑conditioned or heated environments.
• Wear protective eyewear when working with chemicals, dust, or in windy conditions.
• Manage allergies proactively—keep windows closed during high pollen counts and use HEPA filters.
• Avoid rubbing the eyes; this can worsen inflammation and introduce bacteria.
• Stay hydrated and consume omega‑3 rich foods (e.g., fish, flaxseed) to support healthy tear production.
• Schedule regular eye examinations, especially if you have a history of sinus surgery, eyelid abnormalities, or systemic disease.

Emergency Warning Signs

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Sources: Mayo Clinic. “Epiphora (excessive tearing).” mayoclinic.org; American Academy of Ophthalmology. “Dry Eye.”; CDC. “Allergic Conjunctivitis.”; National Eye Institute. “Nasolacrimal Duct Obstruction.”; Cleveland Clinic. “Blepharitis.”; peer‑reviewed articles from Ophthalmology and American Journal of Ophthalmology, 2022‑2024.

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