Eye Allergies or an Eye Infection? How to Tell the Difference

Red, irritated eyes can be frustrating, especially when you are not sure what is causing them.

Is it allergies? Pink eye? An infection? Something else entirely?

While several eye conditions can cause redness, watering, irritation, or discomfort, the symptoms are not always interchangeable. Knowing what to look for can help you understand when your eyes may simply be reacting to an allergen and when it is time to call your eye doctor.

At Blink Optometry in Redding, we evaluate red, irritated, painful, and infected eyes so you can get the right treatment instead of guessing.

Itchy Eyes Often Point Toward Allergies

If itching is your main symptom, allergies are a common possibility.

Allergic conjunctivitis happens when the surface of the eye reacts to an allergen such as pollen, dust, pet dander, or other environmental triggers. Itching is considered one of the hallmark symptoms of allergic conjunctivitis.

You may also notice:

• Red or pink eyes

• Watery eyes

• Puffy eyelids

• Mild irritation

• Symptoms affecting both eyes

• Sneezing or other seasonal allergy symptoms

Eye allergies can be especially noticeable during times of year when pollen and other airborne allergens are more prevalent.

Although allergies are usually not an emergency, persistent or severe symptoms are still worth discussing with your eye doctor so you can make sure something else is not causing the irritation.

Pain or Discharge Deserves More Attention

Eye pain is different from simple itching or mild irritation.

If your eye is painful, producing significant discharge, becoming increasingly red, or affecting your vision, it is important to have it evaluated promptly.

Different types of conjunctivitis and eye infections can produce discharge, redness, swelling, and discomfort. Bacterial conjunctivitis, for example, can cause eyelids to stick together and may produce thicker discharge.

More importantly, a painful red eye can sometimes be caused by something other than routine pink eye.

Corneal problems and other eye conditions can cause symptoms such as pain, blurry vision, redness, excessive watering, or sensitivity to light.

That is why it is better to have a painful eye examined instead of trying to diagnose it yourself.

Allergies and Infections Can Look Similar

One reason people have trouble telling the difference is that both allergies and infections can make the eye look red and irritated.

Even discharge does not automatically tell you exactly what is happening. Allergic conjunctivitis can sometimes cause watery or mild mucus discharge, while infections may produce different types of discharge depending on the cause.

Your symptoms, medical history, contact lens use, recent exposures, and an examination of the eye all help your optometrist determine what is actually going on.

In other words, redness alone is not enough to diagnose the problem.

When Should You Call an Eye Doctor?

Contact an eye doctor if you are experiencing symptoms such as:

• Moderate or significant eye pain

• Thick or persistent discharge

• Increasing redness or swelling

• Blurry or changing vision

• Sensitivity to light

• Symptoms that are getting worse instead of better

• An eye injury or foreign object

• Significant symptoms while wearing contact lenses

Blink Optometry provides emergency eye care for eye infections, injuries, pink eye, allergies, corneal abrasions, and other urgent eye concerns.

Contact lens wearers should be particularly cautious about a painful red eye. Some infections involving the cornea can progress quickly and require treatment from an eye care professional.

Avoid Diagnosing Your Eyes Based on Appearance Alone

It can be tempting to search your symptoms online or assume every red eye is pink eye.

The problem is that several eye conditions can look very similar from the outside while requiring completely different treatment.

An optometrist can examine the surface and internal structures of your eye with specialized equipment, helping identify whether the problem is related to allergies, infection, injury, inflammation, or another condition.

Blink Optometry also offers comprehensive eye exams and digital retinal imaging to evaluate your overall eye health, even when you are not experiencing an emergency.

Get Your Eyes Back to Feeling Normal

If your eyes are simply itchy, allergies may be the culprit. But when pain, discharge, vision changes, or significant redness enter the picture, do not ignore it.

Getting the correct diagnosis means getting the correct treatment and avoiding unnecessary discomfort or complications.

If something does not feel right with your eyes, contact us today.