Learn about causes and treatments of bed-wetting, including moisture alarms, bladder training and medicines.
Disease
Bedbugs
Learn more about the symptoms, treatment, prevention of these parasitic insects and their bites.
Disease
Bedsores (pressure ulcers)
These areas of damaged skin and tissue are caused by sustained pressure — often from a bed or wheelchair — that reduces blood flow to vulnerable areas of the body.
Disease
Bee sting
Learn about symptoms, treatment, self-care tips and prevention of bee stings, which in some people cause severe allergic reaction.
Disease
Behcet disease
This rare condition causes blood vessel swelling throughout the body. Symptoms depend on which parts of the body the condition affects.
Disease
Bell's palsy
Learn more about this condition that causes temporary facial paralysis. Find out why it happens and what to do about it.
Disease
Benign adrenal tumors
Most of these tumors need no treatment, but some do. Learn about diagnosis and treatment options.
Disease
Benign paroxysmal positional vertigo (BPPV)
Learn more about the symptoms, causes and treatment of intense dizziness episodes.
Disease
Benign peripheral nerve tumor
Learn more about the different types of tumors that grow on or around the nerves that link to the brain and spinal cord.
Disease
Benign prostatic hyperplasia (BPH)
This common problem, also known as an enlarged prostate, can be treated.
Disease
Bicuspid aortic valve
This condition, present at birth, affects the valve between the lower left heart chamber and the body's main artery. Know the symptoms and treatment.
Disease
Bile reflux
This digestive problem tends to develop in people who've had stomach surgery and sometimes contributes to gastroesophageal reflux disease (GERD).