Since yesterday I'm seeing this trail of tear from one of his eyes. It looks like just clear water and some discharge in the corner of his eye. Nothing scary. Just brown mucus. I'm starting to worry as it's now in second day of runny eyes. He is only 1 and we did not feed anything different. It's just getting hotter as summer is approaching in TX and he is not enjoying the heat. What could this be? Help!
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