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Watery Eyes (Epiphora): Causes, Symptoms & Treatment
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Watery eyes, medically known as epiphora, can be a frustrating experience for many. Whether it’s occasional or persistent, understanding the causes and solutions can make a big difference. In this article, we’ll explore what causes watery eyes, how allergies and watery eyes are linked, and how to relieve watery eyes with an effective combination of exposure reduction and over-the-counter medicine for watery eyes.
Epiphora Definition
Epiphora refers to the excessive production of tears or the inability of tears to drain properly from the eyes. Tears are essential for keeping the eyes lubricated and protected, but when they overflow, it can signal an underlying issue.
While anyone can experience watery eyes at some point, chronic cases are more common in babies and adults over 50. The condition can affect one or both eyes—when it affects one eye, it is known as unilateral epiphora, and when it affects both, it is called bilateral epiphora.
Along with teary eyes, individuals may notice symptoms like itchiness, redness, or even blurry vision, depending on the cause.1
Epiphora vs lacrimation
It’s important to distinguish epiphora from lacrimation—the body's normal, functional tear production from the lacrimal glands. This process is essential for eye health, as it helps keep the eyes moist and comfortable while also flushing out foreign particles or irritants. In contrast, epiphora describes a situation where this balance is disrupted. It occurs either when tear production becomes excessive or when the drainage system is unable to properly clear away tears, leading to the overflow that we recognize as watery eyes.1
What Causes Watery Eyes?
Understanding what causes watery eyes is the first step toward finding relief. The reasons can range from temporary, mild irritants in your environment to more persistent underlying health conditions. Here are some of the most common triggers:
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Allergies: Seasonal or environmental allergens like pollen, pet dander, and mold can lead to itchy, watery eyes.
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Blepharitis: Inflammation of the eyelids can disrupt tear production.
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Blocked Tear Ducts: Obstructions in the tear drainage system are a frequent cause of epiphora.
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Dry Eyes: Paradoxically, dryness can stimulate excessive tear production.
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Eye Injuries: Scratches, debris, or chemical exposure can irritate the eyes.
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Infections: Conditions like pink eye or sinus infections may result in teary eyes.
Each cause requires a tailored approach to treatment, which is why identifying the underlying issue is key.1
Watery Eyes from Allergies
Among the most frequent causes of watery eyes are allergies. When you are exposed to an allergen, your body's immune system overreacts. It releases a chemical called histamine to defend itself, which in turn leads to the familiar symptoms of eye allergies: redness, persistent itchiness, and excessive tearing. It is common for these eye-related symptoms to appear alongside nasal allergy symptoms, including sneezing and a stuffy or runny nose.
Common triggers include:
Outdoor allergens:
- Grass pollen
- Tree pollen
- Weed pollen
Indoor allergens:
- Pet dander
- Dust mites
- Mold2
Watery Eye Symptoms
Recognizing the signs of epiphora, or watery eyes, is the first step toward finding relief. Knowing what to look for can help you decide when it is time to seek treatment. While the term may be unfamiliar, the symptoms are often easy to identify.
Common signs of watery eyes include:
- Eyes that feel excessively wet
- Tears running down the face without an obvious trigger
- Persistent tear buildup in the eyes
Depending on the cause, additional symptoms may include:
- Eye pain
- Redness
- Itchiness
- Sinus headaches1
Itchiness and Watery Eyes
Itchy, watery eyes are frequently associated with allergic reactions. For many, these symptoms are seasonal, becoming more pronounced during spring or fall when pollen counts rise. When an allergic reaction occurs, the body releases histamine, which causes small blood vessels in the eyes to dilate and leak. This process leads to the familiar redness, irritation, and excessive tearing that define allergic eye symptoms.2
How to Stop Watery Eyes (Epiphora)
Fortunately, managing teary eyes is often straightforward. Watery eyes treatments range from over-the-counter medications to simple lifestyle adjustments; often a combination of both is the right approach.
Antihistamine Medication
If allergies are the source of your watery eyes, antihistamines can offer effective relief. These medications work by blocking histamine, the chemical your body releases during an allergic reaction, which is responsible for many common allergy symptoms. By interrupting this process, antihistamines help calm the body's response and reduce discomfort.2
Xyzal® provides 24h relief from most symptoms of allergies, including watery eyes.
Natural Remedies for Watery Eyes
For those looking for a combined approach to manage symptoms, making small adjustments to your daily environment and personal routines can make a significant difference. These practical solutions focus on reducing your exposure to allergens:
- Keep windows closed during high pollen seasons.
- Use air conditioning to filter out allergens.
- Wear sunglasses outdoors to shield your eyes from irritants.
- Wash your hands after touching pets to avoid transferring allergens to your eyes.
These simple steps can help minimize exposure to common triggers and reduce allergy symptoms.2
When to see a doctor
While most cases of watery eyes are harmless, persistent symptoms may indicate a more serious issue. You should consult a healthcare provider if you experience:
- Constant tearing that doesn’t improve.
- Eye pain or swelling.
- Vision changes or difficulty seeing clearly.
- A lump or bump in the eye area.
In cases of trauma or sudden vision loss, seek emergency care immediately.1
FAQs about Epiphora
Watery eyes can occur for many reasons, from temporary irritants to more serious conditions like tear duct blockages. It is often seasonal and linked to pollen allergies. If watery eyes persist, consult a healthcare provider.1
Red, watery eyes are often a sign of allergies, especially if accompanied by nasal symptoms like sneezing or congestion.2
Persistent watery eyes can sometimes signal an underlying issue—if you experience symptoms like eye pain, swelling, or vision changes, it’s time to see a doctor.1
Most cases of epiphora, or watery eyes, are temporary. They often resolve on their own or improve with simple treatments. However, the exact duration depends entirely on the underlying cause of the symptom.1
While watery eyes are usually not a cause for concern, chronic or severe cases should be evaluated by a healthcare provider to rule out underlying issues like infections.1
Sources:
- Cleveland Clinic. Epiphora (watery eyes): Types, causes & treatment. Cleveland Clinic [Internet]. 2022 Dec 16 [cited 2026 Mar 23]. Available from: https://my.clevelandclinic.org/health/diseases/17944-epiphora-watery-eyes
- American College of Allergy, Asthma & Immunology. Eye allergy (allergic conjunctivitis). ACAAI [Internet]. [cited 2026 Mar 23]. Available from: https://acaai.org/allergies/allergic-conditions/eye-allergy/
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