Conditions list medically reviewed by George Krucik, MD, MBA
Conjunctivitis, commonly known as "pink eye," is an infection or swelling in the outer membrane of your eyeball. Blood vessels in your conjunctiva, a thin membrane that…
Learn about what causes allergies, the different types of allergies, and how they're treated.
An external eyelid stye is a red, painful bump on the surface of the eyelid. Learn about external eyelid stye symptoms, causes, treatment, and prevention.
A pterygium is a growth on the conjunctiva or mucous membrane that covers the white part of your eye. These growths usually don't require treatment.
A corneal ulcer is an open sore that forms on the cornea. It's usually caused by an infection. Even small injuries to the eye can lead to infections.
Reactive arthritis is a type of arthritis triggered by an infection in the body.
Allergic conjunctivitis is an eye inflammation caused by an allergic reaction to substances like pollen. Your eyes may become red, itchy, and watery.
If you have an injured eye or a foreign object in your eye, you'll likely need to seek medical attention right away. Here's what to look out for in eye emergencies.
Sjögren's syndrome is an autoimmune disorder that primarily affects salivary and lacrimal glands. Read about signs and symptoms.
Agammaglobulinemia is an inherited immune system disorder in which the body is unable to produce antibodies.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.