Understand the symptoms, possible causes and treatment of prolonged erection of the penis, including when to seek emergency care.
Disease
Arteriosclerosis / atherosclerosis
Learn about the symptoms, causes and treatments for hardening of the arteries.
Disease
Bullous pemphigoid
Learn about the symptoms, treatment and self-care strategies for the itchy blisters of this skin condition that affects older adults.
Disease
Ramsay Hunt syndrome
A shingles outbreak can affect the facial nerve near one of your ears, potentially causing facial paralysis and hearing loss.
Disease
Bee sting
Learn about symptoms, treatment, self-care tips and prevention of bee stings, which in some people cause severe allergic reaction.
Disease
Tooth abscess
A bacterial infection at the tip of the tooth root usually occurs from an untreated dental cavity, an injury or prior dental work.
Disease
Creutzfeldt-Jakob disease
Learn what can put someone at risk of developing this rare brain disorder that causes dementia.
Disease
Multiple sclerosis
This nervous system condition causes a range of symptoms. While there's no cure, it's possible to have long periods of remission.
Disease
Hypothyroidism (underactive thyroid)
Understand what happens when your thyroid is underactive and learn about treatment for this condition.
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.