| acne | ague |
| Aids (acquired immune deficiency syndrome) | allergy |
| alopecia | altitude sickness |
| Alzheimer’s disease | anaemia |
| anaphylaxis | angina |
| ankylosing spondylitis | ankylosis |
| anthrax | appendicitis |
| arc eye | arteriosclerosis |
| arthritis | asbestosis |
| asthma | ataxia |
| atherosclerosis | athlete’s foot |
| avian flu | Bell’s palsy |
| bends | beriberi |
| bilharzia | bird flu |
| blackwater fever | blood poisoning |
| botulism | Bright’s disease |
| Broca’s aphasia | bronchitis |
| brucellosis | bubonic plague |
| Burkitt’s lymphoma | bursitis |
| cachexia | cancer |
| cardiomyopathy | carditis |
| carpal tunnel syndrome (CTS) | cataract |
| cerebral palsy | chickenpox |
| chill | cholera |
| chorea | chronic fatigue syndrome (CFS) |
| cirrhosis | coeliac disease |
| cold | colic |
| colitis | common cold |
| consumption | coronary heart disease |
| cough | cowpox |
| Creutzfeldt–Jakob disease (CJD) | Crohn’s disease |
| croup | cryptosporidiosis |
| cyanosis | cystic fibrosis (CF) |
| cystitis | decompression sickness |
| deep-vein thrombosis (DVT) | deficiency disease |
| dengue | dermatitis |
| dermatosis | diabetes |
| diabetes mellitus | diarrhoea |
| diphtheria | diverticular disease |
| double pneumonia | Down’s syndrome |
| Duchenne muscular dystrophy (DMD) | Dupuytren’s contracture |
| dysentery | Ebola |
| eclampsia | economy-class syndrome |
| eczema | elephantiasis |
| emphysema | encephalitis |
| endocarditis | endometriosis |
| endometritis | enteritis |
| epilepsy | ergotism |
| erysipelas | fetal alcohol syndrome |
| fever | fibrositis |
| filariasis | flu |
| flux | food poisoning |
| frozen shoulder | full-blown Aids |
| gangrene | gastric flu |
| gastritis | gastro-enteritis |
| German measles | gigantism |
| gingivitis | glandular fever |
| glaucoma | glue ear |
| glycaemia | goitre |
| gonorrhoea | gout |
| Gulf War syndrome | Guillain–Barré syndrome |
| haemophilia | Hansen’s disease |
| hay fever | heat stroke |
| helminthiasis | hepatitis A/B/C |
| hepatoma | hernia |
| herpes | herpes simplex |
| hives | Hodgkin’s disease |
| hookworm | Huntington’s disease |
| hydrocephalus | hydrophobia |
| hypertension | hypoglycaemia |
| hypothermia | hypoxia |
| impetigo | infantile paralysis |
| influenza | iritis |
| irritable bowel syndrome (IBS) | ischaemia |
| jaundice | Kaposi’s sarcoma |
| ketosis | kwashiorkor |
| laryngitis | Lassa fever |
| lead poisoning | legionella |
| legionnaires’ disease | leishmaniasis |
| leprosy | leptospirosis |
| leukaemia | listeria |
| listeriosis | lupus |
| lupus vulgaris | Lyme disease |
| lymphoma | malaria |
| mastitis | measles |
| meningitis | molluscum contagiosum |
| morning sickness | motor neuron disease |
| mountain sickness | multiple sclerosis (MS) |
| mumps | muscular dystrophy |
| myalgic encephalomyelitis (ME) | nappy rash |
| narcolepsy | necrotizing fasciitis |
| nephritis | neuropathy |
| new variant Creutzfeldt–Jakob disease (nvCJD) | non-Hodgkin’s lymphoma |
| non-specific urethritis | oedema |
| ophthalmia | orchitis |
| osteoarthritis | osteomyelitis |
| osteoporosis | pancreatitis |
| paratyphoid | Parkinson’s disease |
| parotitis | pellagra |
| pelvic inflammatory disease | pericarditis |
| peritonitis | pernicious anaemia |
| pertussis | phlebitis |
| pink-eye | plague |
| pleurisy | pleuropneumonia |
| pneumoconiosis | pneumocystitis carinii pneumonia (PCP) |
| pneumonia | poliomyelitis |
| porphyria | prickly heat |
| pruritus | psittacosis |
| psoriasis | puerperal fever |
| pulmonary emphysema | pyaemia |
| pyrexia | quinsy |
| rabies | radiation sickness |
| rash | repetitive strain injury (RSI) |
| retinitis | retinopathy |
| rheumatic fever | rheumatism |
| rheumatoid arthritis | rhinitis |
| rickets | ringworm |
| roseola | rubella |
| St Vitus’s dance | salmonella |
| sarcoma | scabies |
| scarlet fever | schizophrenia |
| sciatica | scleritis |
| scleroderma | sclerosis |
| scrofula | scurvy |
| seasonal affective disorder (SAD) | sepsis |
| septicaemia | serum hepatitis |
| severe acute respiratory syndrome (SARS) | sexually transmitted disease (STD) |
| shingles | sick building syndrome (SBS) |
| sickle-cell anaemia/disease | silicosis |
| sinusitis | sleeping sickness |
| smallpox | Spanish flu |
| spina bifida | spondylosis |
| strabismus | sudden infant death syndrome |
| sunburn | sunstroke |
| Sydenham’s chorea | synovitis |
| syphilis | tendinitis |
| tenosynovitis | tetanus |
| thrombosis | thrush |
| tonsillitis | Tourette’s syndrome |
| toxaemia | toxic shock syndrome |
| toxocariasis | toxoplasmosis |
| trench foot | trichinosis |
| trypanosomiasis | tuberculosis (TB) |
| typhoid | typhus |
| undulant fever | urethritis |
| urticaria | vaginismus |
| venereal disease (VD) | viraemia |
| virus | vitiligo |
| Weil’s disease | whooping cough |
| yaws | yellow fever |