Diseases and Treatment - A

• Abdomen in Disease (tenderness, local and general enlargement).
• Abominal Dropsy (ascites). See also: Dropsy.
• Abdominal Injuries (bruises, contusions, incisions, lacerations).
• Abortion. See also: Diseases of Women.
• Abscess (acute and chronic, superficial and deep-seated).
• Acid Poisoning. See instead: Poisons.
• Acholia. See instead: Diseases of the Liver.
• Acne (blackheads, pimples, flesh worms, whiskey nose).
• Aconite Poisoning. See instead: Poisons.
• Acrodynia (painful joints). See also: Breakbone Fever or Dengue.
• Acromegaly (enlargement of bones).
• Actinomycosis (disease from vegetable fungus).
• Addison's Disease (bronzed skin, degeneration of renal capsule).
• Adenitis. See instead: Gland Fever.
• Adenoma (small tumors). See also: Polypus, Bronchocele, Cysts or Tumors.
• Agoraphobia (abnormal fear of strangers).
• Agraphia (inability to write).
• Ague (intermittent fever, chills and fever). 
• Albino (albinoism, albinismus).
• Abuminuria (abumen in the urine). See instead: Bright's Disease.
• Alcoholism (acute, chronic, inebriety, delirium tremens).
• Alexia (inability to read). See also: Myelitis.
• Allocheiria (imperfect sense of touch). See also: Myelitis.
• Alopecia. See instead: Hair Diseases.
• Alveolar Cancer. See instead: Cancer.
• Amaurosis. See instead: Eye Diseases.
• Amenorrhoea. See instead: Diseases of Women.
• Amimia (inability to convey thoughts).
• Amyloid Disease. See also Phtisis, Syphilis, Kidney Diseases, Liver Diseases or Spleen Diseases.
• Anaemia (thin blood, chlorosis, green sickness).
• Anemia of the Brain. See instead: Brain Diseases.
• Anaesthesia (analgesia, loss of sensation).
• Anasarca. See instead: Dropsy.
• Ankylosis / Anchylosis (stiffness of the joints).
• Angina Pectoris (chest spasm, breast pang).
• Anidrosis. See also: Perspiration.
• Ankle Injuries. See instead: Fractures, Sprains or Dislocations.
• Anosmia (loss of sense of smell).
• Anthrax (malignant pustule, charbon, wool-sorters' disease).
• Aneurism (bloody tumor, tumor of the artery).
• Anus (fissues, prolapsus, ulceration).
• Aphasia (loss of power of speech).
• Aphonia (loss of voice).
• Aphtha. See instead: Thrush.
• Aphthous Ulcers. See instead: Mouth Ulceration.
• Aphthous Fever. See instead: Foot and Mouth Disease.
• Apnoea (without breath).
• Apoplexy (hemorrhage in the brain).
• Appendicitis (faecal abscess, typhlitis).
• Arsenic Poisoning. See instead: Poisons.
• Arthritis. See instead: Rheumatism of the Joints.
• Articular Rheumatism. See instead: Rheumatism.
• Ascaris Lumbricoides. See also: Worms.
• Ascarus Scabies. See also: Itch.
• Ascites / Hydro-peritoneum. See also: Dropsy.
• Asiatic Cholera. See instead: Cholera.
• Asphyxia. See instead: Drowning, Poisoning by Gas, Suffocation.
• Asthenia (listlessness and inability).
• Asthenopia. See instead: Eye Diseases.
• Asthma (phthisic spasmodic breathing).
• Astigmatism. See also: Eye Diseases.
• Asymbolia (inability to communicate).
• Ataxy (locomotor ataxy, tabes dorsalis).
• Atelectasis (pulmonary collapse).
• Atheroma. See instead: Apoplexy, Phthisis or Syphilis.
• Athetosis (involuntary muscular contractions).
• Atrophy (shrinkage of tissue).