When the allergy season strikes, you may get that familiar feeling of itchy eyes. But for many, it is more than just a nuisance – so what is the culprit causing you such distress?

It’s histamine. You might already know this if you are taking antihistamine-containing medication for your allergies, which just so happen to be the number one cause of itchy eyes. But what does histamine actually do?

The front of the eye, much like the outer layer of the skin, protects us from environmental harm. When potentially harmful substances come into contact with our eyes, our response is to blink so that we can wash away these perpetrators.

When the allergy season strikes, you may get that familiar feeling of itchy eyes. But for many, it is more than just a nuisance – so what is the culprit causing you such distress?

It’s histamine. You might already know this if you are taking antihistamine-containing medication for your allergies, which just so happen to be the number one cause of itchy eyes. But what does histamine actually do?

The front of the eye, much like the outer layer of the skin, protects us from environmental harm. When potentially harmful substances come into contact with our eyes, our response is to blink so that we can wash away these perpetrators.

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