Many things can trigger this problem. Learn how to get relief from your runny, stuffy nose.
Disease
Whipple's disease
Learn more about the symptoms, causes and treatment of this rare primarily digestive infection.
Disease
Stye (sty)
A stye (sty) is a painful red bump along the eyelash line that can often be treated with home remedies. Find out more about this irritating eyelid infection.
Disease
Costochondritis
This chest wall pain, caused by inflammation, usually improves on its own.
Disease
Dry eyes
Eyes feeling dry and uncomfortable? Inadequate tear production is a common — and very treatable — eye condition. Find out what causes it and how to relieve symptoms.
Disease
Histoplasmosis
Learn more about the symptoms and treatment of this sometimes life-threatening fungal disease caused by spores in bird and bat droppings.
Disease
Orthostatic hypotension (postural hypotension)
This form of low blood pressure might cause dizziness, lightheadedness or fainting when rising from sitting or lying down.
Disease
Aphasia
Some conditions, including stroke or head injury, can seriously affect a person's ability to communicate. Learn about this communication disorder and its care.
Disease
Primary immunodeficiency
Frequent infections could mean you have an immune system disorder. The conditions in this category are usually caused by genetic changes.
Disease
Balance problems
Learn about the causes and treatments of conditions that leave you feeling dizzy or unsteady.
Disease
Knee pain
Learn about this common complaint, which can result from an injury or medical condition, and find out which treatments may help.
Disease
Myasthenia gravis
A breakdown in the communication between nerves and muscles causes weakness and fatigue of muscles under your voluntary control.