Petechiae are tiny red or purple dots that don't turn white when you press on them. They can be caused by infections, certain medications, and vitamin deficiencies. They can also be a symptom of low ...

It can be hard to tell a scratched cornea (corneal abrasion) from pink eye (also known as conjunctivitis) as they have similar symptoms, such as eye redness, tearing, and sensitivity to light. Though ...