• Home
  • Mayo Clinic Health Library

Mayo Clinic Health Library

205 Search results starting with "A"

Disease

Alpha-gal syndrome

An allergic reaction to meat-based meals had researchers stumped — until they connected the condition to bites from certain ticks.
Disease

Alzheimer's disease

Understand more about this brain disease that is the most common cause of dementia. Also learn about new tests and medicines.
Disease

Ameloblastoma

Learn more about the symptoms and treatment of this rare, noncancerous (benign) tumor that develops in the jaw.
Disease

Amenorrhea

Absence of menstruation (amenorrhea) may be linked to an underlying, treatable problem. Learn about amenorrhea causes and when to seek help.
Disease

Amnesia

Read about what can cause memory loss and learn steps you can take to manage it.
Disease

Ampullary cancer

Learn more about the causes, diagnosis and treatments for cancer of the ampulla of Vater.
Disease

Amyloidosis

This rare disease can affect different organs in different people. Find out how early and accurate diagnosis can lead to better outcomes.
Disease

Amyotrophic lateral sclerosis (ALS)

This progressive nervous system disease, also known as Lou Gehrig's disease, destroys nerve cells.
Disease

Anal cancer

Learn about this cancer that affects the anal canal and causes bleeding and pain. Treatment is usually with a combination of radiation and chemotherapy.
Disease

Anal fissure

Learn what causes a tear in the anus and how to prevent or treat this often painful condition.
Disease

Anal fistula

An infected anal gland can sometimes cause a tunnel to develop between the skin and the anus. Learn about symptoms and diagnosis for this painful, but treatable, condition.
Disease

Anal itching

Learn about the causes, treatment and self-care tips for this common, sometimes embarrassing condition.

© 2025 Mayo Foundation for Medical Education and Research. All rights reserved. Terms of Use

  • Home
  • Mayo Clinic Health Library