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Disease

Hypoglycemia

Low blood sugar can cause uncomfortable symptoms, such as dizziness and confusion, and can quickly become serious if left untreated.
Disease

Keratitis

An inflamed, red eye can be a minor nuisance — but sometimes it means a more serious problem. Find out about symptoms, treatment and prevention for this potentially dangerous eye condition.
Disease

Lymphedema

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

Paraneoplastic syndromes of the nervous system

This group of conditions affects people who have cancer and occurs when parts of the immune system attack parts of the nervous system.
Disease

Multiple system atrophy

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

Graves' disease

Learn about the symptoms, causes and treatment of this immune system condition that results in too much thyroid hormone.
Disease

Heatstroke

Know the signs and what to do for this dangerous increase in body temperature.
Disease

Hyperoxaluria and oxalosis

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

Posterior cortical atrophy

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

CSF leak (Cerebrospinal fluid leak)

Cerebrospinal fluid leaks may start in the brain or spine, causing headaches, dizziness and other symptoms.
Disease

Vasculitis

This swelling and irritation of the blood vessels may thicken and weaken blood vessel walls. It can restrict blood flow and damage organs.
Disease

Spinal headaches

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

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