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Conditions - A

Abdominal aortic aneurysm Abdominal aortic aneurysm screening Abortion Abscess Acanthosis nigricans Achalasia Acid and chemical burns Acne Acoustic neuroma (vestibular schwannoma) Acromegaly Actinic keratoses (solar keratoses) Actinomycosis Acupuncture Acute cholecystitis Acute kidney injury Acute lymphoblastic leukaemia Acute myeloid leukaemia Acute pancreatitis Acute respiratory distress syndrome Addison's disease Adenoidectomy Age-related cataracts Age-related macular degeneration (AMD) Agoraphobia Air or gas embolism Albinism Alcohol misuse Alcohol poisoning Alcohol-related liver disease Alexander technique Alkaptonuria Allergic rhinitis Allergies Altitude sickness Alzheimer's disease Amniocentesis Amputation Amyloidosis Anabolic steroid misuse Anaesthesia Anal cancer Anal fissure Anal fistula Anal pain Anaphylaxis Androgen insensitivity syndrome Angelman syndrome Angina Angioedema Angiography Animal and human bites Ankylosing spondylitis Anorexia nervosa Anosmia Antacids Antibiotics Anticoagulant medicines Antidepressants Antifungal medicines Antihistamines Antiphospholipid syndrome (APS) Antisocial personality disorder Anxiety disorders in children Aortic valve replacement Aphasia Appendicitis Arrhythmia Arterial thrombosis Arthritis Arthroscopy Asbestosis Aspergillosis Aspirin Asthma Astigmatism Ataxia Atherosclerosis (arteriosclerosis) Athlete's foot Atopic eczema Atrial fibrillation Attention deficit hyperactivity disorder (ADHD) Auditory processing disorder (APD) Autism Autosomal dominant polycystic kidney disease Autosomal recessive polycystic kidney disease