This burning sensation, without an obvious cause, may affect the tongue, gums, lips, cheeks, roof of your mouth or large areas of your mouth.
Disease
Periodontitis
This serious gum infection damages the soft tissue and can destroy the bone that supports your teeth. It can cause teeth to loosen or lead to tooth loss.
Disease
Esophagitis
An inflamed, sore esophagus can make it hard to swallow and can cause chest pain when you eat. Find out what causes this condition and your options for treatment.
Disease
Functional dyspepsia
Learn about functional dyspepsia, a digestive disorder with no clear cause. Treatment may help relieve this common condition.
Disease
Geographic atrophy
This serious eye condition can occur in people with macular degeneration. Find out about its symptoms and treatments.
Disease
IgA nephropathy (Berger disease)
This disease causes kidney inflammation that, over time, can interfere with the kidneys' ability to filter waste from the blood.
Disease
Glomerulonephritis
Learn about symptoms, causes and treatments for acute and chronic glomerulonephritis, a type of kidney inflammation.
Disease
Hypereosinophilic syndrome
Hypereosinophilic syndrome (HES) is a disorder of certain white blood cells that can cause life-threatening damage to your organs.
Disease
Retinal diseases
Learn about the symptoms, diagnosis and treatment for various conditions that affect the retinas and vision. Find out when it's time to contact a doctor.
Disease
Ataxia
Often caused by an underlying condition, this loss of muscle control and coordination can impact movement, speech and swallowing.
Disease
Interstitial lung disease
This group of lung diseases cause progressive lung tissue scarring and affect your ability to breathe and get enough oxygen into your bloodstream.
Disease
Syphilis
Understand how this infectious disease spreads, what you can do to prevent it and how it's treated.