Both allergies and dry eyes can cause redness, but itching points more toward allergies, while burning, sensitivity

https://seasonaleyesymptom853.hexaforgey.com/posts/managing-outdoor-eye-irritation-in-riverside-during-allergy-season

Both allergies and dry eyes can cause redness, but itching points more toward allergies, while burning, sensitivity, and a scratchy feeling suggest dryness.