A Index All illnesses beginning with the letter A are listed below:
Acne
Acne rosacea
Allergic rhinitis
Allergy (food)
Alopecia areata
Alzheimer's disease
Amenhorrhea, primary
Amenorrhea, secondary
Amyotrophic lateral sclerosis
Anal fissure
Anal fistula
Anaphylaxis
Anemia during pregnancy
Anemia folate deficiency
Anemia, folic acid deficiency
Anemia, hemolytic
Anemia, iron deficiency
Anemia, pernicious
Aneurysm
Angina pectoris
Animal bites
Anorectal abscess
Anorexia nervosa
Anxiety (generalized anxiety disorder)
Aortic stenosis
Appendicitis
Arthritis, infectious
Arthritis, juvenile rheumatoid (jra)
Arthritis, rheumatoid
Asthma
Atelectasis
Athelete's foot
Atherosclerosis
Atopic dermatitis
Atrial fibrillation (af)