We all cry when we feel sad or laugh until we shed tears of joy. That is a normal part of life.
Have you ever noticed your eyes watering for no clear reason at all? It might feel like a leaky kitchen tap that will not stop dripping.
Doctors call this medical condition Epiphora. Let us talk about what causes watery eyes and what you can do about them.
Key Takeaways About Epiphora.
- Epiphora is the medical name for watery eyes caused by too much tear production or poor tear drainage.
- Common causes include allergies, dry eyes, dust in the eye, and blocked tear ducts.
- Babies and adults over age 50 experience this condition most often.
- Treatment depends on the exact cause and ranges from simple eye drops to minor procedures.
- Never rub your irritated eyes, as this can make the problem worse and lead to infections.
What is Epiphora?
Your eyes make tears all day long. These tears keep your eyes moist, healthy, and clean by washing away dust and germs. Tears act as a natural shield for your eyes.
Epiphora happens for two main reasons. Think of your eye like a kitchen sink.
First, your eye might make too much fluid. Just like a faucet turned up too high, your tear glands produce more tears than your eye can handle.
Second, your drainage pipes might be blocked. Just like a clogged sink drain, your tiny tear drainage tubes can get blocked so tears overflow onto your cheeks.
Who is Most Affected by Watery Eyes?
Epiphora can happen to anyone at any age. Most people experience a random watery eye at some point in their lives.
However, chronic watery eyes are most common in two specific age groups.
- Babies: Newborn babies often have tear drainage tubes that are not fully open yet. Their eyes may water often during the first few months of life. This usually clears up on its own before the baby turns one year old.
- Adults Over 50: As you grow older, your tear drainage system changes. The tiny drainage tubes can narrow or get blocked much more easily over time.
Are Watery Eyes the Only Symptom?
Watering is the main sign you will notice. However, you might experience other symptoms depending on what is causing your watery eyes.
If only one eye waters, doctors call it unilateral epiphora. If both eyes water, it is bilateral epiphora.
Here are other signs that often happen along with watery eyes:
| Associated Symptom. | What It Means. |
|---|---|
| Red Eyes. | Allergies, infections, or a scratch on your eye surface can widen blood vessels and cause redness. |
| Itching or Burning. | You will often feel this when dealing with seasonal allergies or dry eye syndrome. |
| Eye Pain. | Pain can happen when a foreign object gets stuck in your eye or if you have a corneal scratch. |
| Blurry Vision. | Extra tears blur your sight temporarily. Blurry vision usually clears up right after you wipe your eyes. |
| Sinus Headaches. | Blocked tear ducts connect to your nasal cavities, sometimes causing sinus pressure and headaches. |
Why Do Watery Eyes Happen? Main Causes.
Let us look at the primary reasons why your eyes might start watering constantly.
1. When Your Eyes Produce Too Many Tears.
This happens when your eyes react to an irritant and try to flush it out with extra tears.
- Allergies: Dust, pollen, and pet fur can irritate your eyes. Your eyes turn red, itch, and water heavily.
- Dry Eyes: This sounds strange at first. How can dry eyes cause watery eyes? When your eyes lack moisture, your brain sends an emergency signal. Your tear glands make a rush of watery tears. However, these quick tears lack the right oils, so they overflow quickly.
- Foreign Objects: A speck of dust, an eyelash, or a tiny insect can get stuck in your eye. Your eye produces tears to push the object out.
- Infections: Conditions like pink eye (conjunctivitis) cause your eyes to turn red, form crusts, and water constantly.
- Eyelid Issues: Conditions like blepharitis or entropion (when your eyelid turns inward) cause your eyelashes to rub against your eye surface.
2. When Tears Do Not Drain Properly.
In these cases, your eyes make a normal amount of tears. The problem is that the drainage system is blocked, so the tears pool up and spill over.
- Blocked Tear Ducts: This is a very common cause. Blocked ducts can happen from birth, aging, infections, or past injuries.
- Eyelid Lumps: Small bumps on your eyelids, such as styes or chalazions, can press on your tear ducts and block drainage.
Important note: Never try to guess the exact cause of your watery eyes on your own. Only an eye doctor can examine your eyes and give you an accurate diagnosis.
How Does the Doctor Find the Cause?
When you visit an eye specialist, they will start by asking you questions about your symptoms and examining your eyes closely.
Your doctor may use simple tests to find the exact cause of your watery eyes:
- Dye Disappearance Test: Your doctor places a harmless colored drop into your eye. Normally, the dye drains away in a few minutes. If the dye stays in your eye, it means your tear ducts are blocked.
- Tear Duct Irrigation: Your doctor may use a tiny probe or flush sterile saline liquid through your tear ducts to check for blockages and clear them out.
- Imaging Scans: In rare cases, your doctor might recommend an X-ray or CT scan to look closely at your tear drainage pathways.
What Are the Treatments for Watery Eyes?
The good news is that doctors can successfully treat most cases of epiphora. Your treatment will depend entirely on what is causing the problem.
| Underlying Cause. | Common Treatment. |
|---|---|
| Allergies. | Antihistamine eye drops or oral allergy medicine. |
| Bacterial Infection. | Prescription antibiotic eye drops or medicated ointments. |
| Dry Eyes. | Special lubricating eye drops known as artificial tears. |
| Foreign Object. | Your doctor will safely remove the object. Never try to remove objects yourself to avoid eye injury. |
| Blocked Tear Ducts. | For babies, gentle massage of the tear duct area helps. For adults, doctors can flush ducts or perform a minor surgery called DCR to create a new drainage path. |
| Eyelid Shape Issues. | Minor corrective surgery to reposition your eyelids properly. |
What Should You Care For at Home?
- Never rub your eyes. Rubbing makes irritation worse and can introduce bacteria from your hands into your eye.
- When you need to wipe away tears, use a clean cloth or a soft tissue. Gently dab below your eye instead of poking inside your eye.
- If your doctor prescribes antibiotics, finish all your medicine even if your symptoms disappear. Stopping early can let the infection return.
When Should You See a Doctor right away?
Most watery eyes are not a medical emergency. However, you should schedule an appointment with your doctor right away if you notice any of these red flags:
- Severe eye pain that does not go away.
- Swelling around your eyes or eyelids.
- Sudden changes in your vision, such as blurriness or double vision.
- A visible lump, bump, or growth on your eye or eyelid.
- Tears streaming so badly that you have trouble seeing clearly.
🚨 Emergency Warning.
If you experience a severe eye injury, get chemical splashes in your eye, or suffer sudden vision loss, call 911 (US/Canada) or 999 (UK) right away, or go straight to your nearest hospital Emergency Department (ER / A&E).
A Note from Dr. Priya Sammani.
Dealing with constant watery eyes can make daily tasks like reading and driving frustrating. Please remember that you do not have to live with it. Once your doctor finds the root cause, effective treatments can restore your comfort and clear vision.
Sources and References.
- Cleveland Clinic. Epiphora (Watery Eyes): Causes, Symptoms & Treatment.
- Mayo Clinic. Watery eyes - Symptoms and causes.
- NHS UK. Watery eyes overview and guidance.
- Centers for Disease Control and Prevention (CDC). Healthy Eyes and Common Eye Infections.
- National Institutes of Health (NIH) / MedlinePlus. Watery eyes medical reference.
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