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Disease

Oral lichen planus

This ongoing inflammatory condition results in white, lacy patches or red, swollen tissues or open sores inside your mouth that may cause burning or pain.
Disease

Liver fibrosis

Repeated liver injury can cause scarring that stiffens the liver and gradually reduces its ability to function. Learn about symptoms and treatment for this often-silent liver condition.
Disease

Hiatal hernia

A hiatal hernia occurs when part of the stomach bulges into the chest. It can cause severe heartburn but is treatable.
Disease

Hypothyroidism (underactive thyroid)

Understand what happens when your thyroid is underactive and learn about treatment for this condition.
Disease

Multiple system atrophy

This rare condition affects movement, blood pressure and other functions of the body.
Disease

Posterior cortical atrophy

This rare neurological syndrome that's often caused by Alzheimer's disease affects vision and coordination.
Disease

Spinal headaches

These headaches can happen after a spinal tap procedure or spinal anesthesia, and usually don't require treatment.
Disease

Lymphedema

Damaged or removed lymph nodes can affect how lymph fluid drains. Fluid buildup leads to swelling. Treatments include compression and massage.
Disease

Hypopituitarism

Learn about the symptoms and treatment of this rare condition caused by a problem with the pituitary gland.
Disease

Hyperoxaluria and oxalosis

Learn about symptoms, causes, diagnosis and treatment for these rare kidney problems.
Disease

Zollinger-Ellison syndrome

In this rare disease, tumors in the digestive tract cause excess production of a certain hormone. High levels of this hormone increase stomach acid, leading to peptic ulcers.
Disease

Hypoglycemia

Low blood sugar can cause symptoms that aren't comfortable, such as dizziness and confusion. The condition can quickly become serious if not treated.

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