Symptom Analysis

Pet Excessive Tearing Symptom Guide | Observation Points and When to See a Veterinarian

Understand possible causes of Excessive Tearing and key home observations

Excessive Tearing should be monitored carefully. Record when it started, how often it occurs, and whether it is changing; if it persists, worsens, or affects normal function, contact a veterinarian promptly.

Last updated: 2026/08/16
Pet Health Map Editorial Team
Sources: AVMA, WSAVA

What this symptom means clinically

Excessive Tearing refers to tear overflow caused by increased tear production or impaired drainage through the tear ducts. Clinically, it should be interpreted as a sign that may arise from several mechanisms rather than a diagnosis by itself. Careful observation of onset, duration, severity, associated behavior, and objective changes helps a veterinarian determine the likely body system involved and the urgency of evaluation.

🐱 In cats

In cats, Excessive Tearing may be associated with conjunctivitis or chronic upper respiratory inflammation can obstruct tear drainage. Because cats often hide discomfort, small changes in appetite, grooming, posture, litter box use, or activity can be clinically important.

🐶 In dogs

In dogs, Excessive Tearing may be associated with short-faced anatomy, eyelid position, or tear-duct structure can predispose to tearing and staining. Breed, body size, activity level, and recent exposure or trauma can influence how obvious the sign appears.

Clinical signs you can observe

Check whether your pet shows any of the signs below. If several apply, seek veterinary care promptly.

Record the first date and exact time when Excessive Tearing was noticed
Record frequency, duration, and whether Excessive Tearing is persistent or intermittent
Take clear photos or short videos from the same angle and note the time recorded
Record appetite, water intake, activity level, and any behavior change
Record visible changes in color, swelling, discharge, pain response, posture, or function as relevant
Record any trigger, recent diet change, trauma, medication, environment change, or exposure history
Measure and record relevant objective values when safe, such as temperature, respiratory rate, heart rate, body weight, size, or amount

Possibly Related Conditions

Conditions owners commonly find associated with this symptom — tap to learn more.

This page helps owners understand symptoms and recognise risk; it cannot replace an in-person veterinary examination, diagnosis or treatment. If your pet shows any symptoms, please consult a qualified veterinarian as soon as possible.

Frequently Asked Questions (FAQ)