Health Library

Watery eyes

Epiphora; Tearing - increased

Watery eyes means you have too many tears in and draining from the eyes. Tears help keep the surface of the eye moist. They wash away particles and foreign objects in the eye.

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Causes

Your eyes always contain tears made by the tear (lacrimal) glands just above the eyes. These tears leave the eye through a small hole in the corner of the eye called the tear duct (nasolacrimal duct).

Causes of watery eyes include:

• Allergy to mold, dander, dust
• Blepharitis (swelling along the edge of the eyelid)
• Blockage of the tear duct
• Conjunctivitis
• Smog or chemicals in the air or wind
• Bright light
• Eyelid turning inward or outward
• Something in the eye (such as dust or sand)
• Scrape on the eye
• Infection
• Inward-growing eyelashes
• Irritation

Increased tearing sometimes happens with:

• Eyestrain
• Laughing
• Vomiting
• Yawning

One of the most common causes of excess tearing is dry eyes. Drying causes the eyes to become uncomfortable, which stimulates the body to produce too many tears. One of the main tests for diagnosing excess tearing is to check whether the eyes are too dry.

Home Care

Treatment depends on the cause of the problem. Therefore, it is important to determine the cause before treating yourself at home.

When to Contact a Medical Professional

Tearing is rarely an emergency. You should seek help right away if:

• Chemicals get into the eye
• You have severe pain, bleeding, or loss of vision
• You have a severe injury to the eye

Also, contact your health care provider if you have:

• A scratch on the eye
• Something in the eye
• Painful, red eyes
• A lot of discharge coming from the eye
• Long-term, unexplained tearing
• Tenderness around the nose or sinuses

What to Expect at Your Office Visit

Your provider will examine your eyes and ask questions about your medical history and symptoms. Questions may include:

• When did the tearing start?
• How often does it happen?
• Does it affect both eyes?
• Do you have vision problems?
• Do you wear contacts or glasses?
• Does the tearing happen after an emotional or stressful event?
• Do you have eye pain or other symptoms, including headache, stuffy or runny nose, or joint or muscle aches?
• What medicines do you take?
• Do you have allergies?
• Did you recently hurt your eye?
• What seems to help stop the tearing?

Your provider may order tests to help determine the cause.

Treatment depends on the cause of the problem.

Related Information

References

Borooah S, Tint NL. The visual system. In: Dover AR, Innes JA, Fairhurst K, eds. Macleod's Clinical Examination. 15th ed. Philadelphia, PA: Elsevier; 2024:chap 8.

Olitsky SE, Marsh JD. Disorders of the lacrimal system. In: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. Nelson Textbook of Pediatrics. 21st ed. Philadelphia, PA: Elsevier; 2020:chap 643.

Örge FH. Examination and common problems in the neonatal eye. In: Martin RJ, Fanaroff AA, Walsh MC, eds. Fanaroff and Martin's Neonatal-Perinatal Medicine. 11th ed. Philadelphia, PA: Elsevier; 2020:chap 95.

Seller RH, Symons AB. Vision problems and other common eye problems. In: Seller RH, Symons AB, eds. Differential Diagnosis of Common Complaints. 7th ed. Philadelphia, PA: Elsevier; 2018:chap 34.

Review Date: 11/6/2023  

Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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