Conditions
617 conditions, each with symptoms, warning signs and four kinds of treatment. Education only, not medical advice.
Autoimmune
- Adrenal insufficiency (Addison's)
- Allergy & anaphylaxis
- Alopecia (androgenetic & areata)
- Aplastic anaemia & marrow failure
- Atopic dermatitis (eczema)
- Autoimmune haemolytic anaemia
- Autoimmune hepatitis
- Axial spondyloarthritis
- Bullous pemphigoid
- Coeliac disease
- Contact dermatitis
- Crohn's disease
- Dermatomyositis and polymyositis
- Glomerulonephritis
- Guillain-Barré syndrome
- Hyperthyroidism & Graves' disease
- Hypothyroidism
- IgA nephropathy
- Immune thrombocytopenia
- Juvenile idiopathic arthritis
- Lichen planus
- Lichen sclerosus
- Multiple sclerosis
- Myasthenia gravis
- Nephrotic syndrome
- Neuromyelitis optica spectrum disorder
- Pemphigus vulgaris
- Polymyalgia rheumatica
- Primary biliary cholangitis
- Primary sclerosing cholangitis
- Psoriasis
- Psoriatic arthritis
- Reactive arthritis
- Rheumatic fever & rheumatic heart disease
- Rheumatoid arthritis
- Sarcoidosis
- Sjögren's disease
- Systemic lupus erythematosus
- Systemic sclerosis (scleroderma)
- Takayasu arteritis
- Thrombotic thrombocytopenic purpura (TTP)
- Thyroiditis (Hashimoto's & subacute)
- Transplant rejection & graft-versus-host disease
- Type 1 diabetes
- Ulcerative colitis
- Urticaria & angioedema
- Uveitis & iritis
- Vasculitis (GCA & others)
- Vitiligo
Congenital
- Biliary atresia
- Cerebral palsy
- Chiari malformation and syringomyelia
- Cleft lip and palate
- Clubfoot (talipes equinovarus)
- Congenital heart defects
- Congenital hypothyroidism
- Developmental dysplasia of the hip
- Dyslexia
- Hirschsprung's disease
- Hydrocephalus
- Hypospadias
- Impacted wisdom teeth
- Intellectual disability
- Intussusception & pyloric stenosis
- Scoliosis
- Spina bifida & neural tube defects
- Squint & lazy eye
- Tongue-tie (ankyloglossia)
- Undescended testis (cryptorchidism)
- Vesicoureteral reflux
- Wolff–Parkinson–White syndrome
Degenerative
- Achalasia
- Age-related macular degeneration
- Alzheimer's disease
- Amyotrophic lateral sclerosis
- Aortic stenosis
- Baker's (popliteal) cyst
- Barrett's oesophagus
- Benign prostatic hyperplasia
- Bronchiectasis
- Bunion & foot deformity
- Carpal tunnel syndrome
- Cataract
- Cholesteatoma
- Chronic kidney disease
- Cirrhosis
- COPD
- Cubital tunnel syndrome
- Dementia with Lewy bodies
- Diverticular disease
- Drooping eyelid (ptosis)
- Dry eye disease
- Dupuytren's contracture & trigger finger
- Flat feet (pes planus)
- Frailty & falls in older age
- Frontotemporal dementia
- Ganglion cyst
- Glaucoma
- Hammer toe and claw toe
- Hearing loss & presbycusis
- Heart block & bradycardia
- Heart failure
- Hernia (inguinal, hiatal, umbilical)
- Herniated disc
- Idiopathic pulmonary fibrosis
- Keloid & hypertrophic scars
- Keratoconus
- Kyphosis and Scheuermann's disease
- Lymphoedema
- Menopause & perimenopause
- Morton's neuroma
- Neck pain and cervical spondylosis
- Normal pressure hydrocephalus
- Osteoarthritis
- Osteoporosis
- Parkinson's disease
- Pelvic organ prolapse
- Peripheral neuropathy
- Peyronie's disease
- Plantar fasciitis
- Presbyopia
- Pterygium (surfer's eye)
- Rectal prolapse
- Repetitive strain & overuse injury
- Rotator cuff tear & impingement
- Sarcopenia
- Sciatica
- Seborrhoeic keratosis
- Spinal stenosis
- Spondylolisthesis
- Sun damage & actinic keratosis
- Tendinopathy (tennis & golfer's elbow, Achilles, patellar)
- Valve disease (stenosis & regurgitation)
Functional
- Absent periods (amenorrhoea)
- Acid reflux (GERD)
- ADHD
- Altitude sickness
- Atrial fibrillation
- Atrial flutter
- Bad breath (halitosis)
- Bedwetting (nocturnal enuresis)
- Breathing pattern disorder
- Burning mouth syndrome
- Cervical ectropion and Nabothian cysts
- Cervical insufficiency
- Chronic constipation
- Chronic insomnia
- Chronic neuropathic pain
- Chronic pain syndrome
- Cluster headache
- Delirium
- Earwax blockage
- Epilepsy
- Essential tremor & dystonia
- Extra heartbeats (ectopics and palpitations)
- Faecal incontinence
- Fainting (syncope)
- Febrile seizures
- Female infertility
- Fibromyalgia
- Functional dyspepsia (indigestion)
- Gastroparesis
- Growing pains
- Heavy & painful periods
- High prolactin (hyperprolactinaemia)
- Hydrocele
- Hydronephrosis
- Hyperemesis gravidarum
- Hyperhidrosis
- Idiopathic intracranial hypertension
- Infant colic
- Irritable bowel syndrome
- Jet lag
- Long COVID (post-viral syndrome)
- Loss of smell (anosmia)
- Male infertility
- ME/chronic fatigue syndrome
- Medication-overuse headache
- Melasma
- Ménière's disease
- Migraine
- Miscarriage
- Motion sickness
- Narcolepsy
- Neurogenic bladder
- Non-specific low back pain
- Obstructive sleep apnoea
- Orthostatic hypotension & POTS
- Ovarian cysts
- Piriformis syndrome
- Premature ejaculation
- Premature ovarian insufficiency
- Premenstrual syndrome and PMDD
- Preterm labour and birth
- Respiratory distress syndrome of the newborn
- Restless legs syndrome
- Runner's knee (patellofemoral pain)
- Short and long sight (refractive error)
- Small intestinal bacterial overgrowth (SIBO)
- Sudden infant death syndrome
- Supraventricular tachycardia
- Takotsubo (stress) cardiomyopathy
- Teeth grinding (bruxism)
- Temporomandibular joint disorder
- Tension-type headache
- Tics and Tourette syndrome
- Tinnitus
- Trigeminal neuralgia
- Urinary incontinence
- Ventricular tachycardia
- Vertigo (BPPV, vestibular neuritis)
- Volvulus (twisted bowel)
- Vulvodynia and vaginismus
- Wry neck (torticollis)
Genetic
- 22q11.2 deletion syndrome (DiGeorge)
- Achondroplasia
- Acute porphyria
- Alpha-1 antitrypsin deficiency
- Autism spectrum disorder
- Brugada syndrome
- Cardiomyopathy (dilated, restrictive, arrhythmogenic)
- Charcot–Marie–Tooth disease
- Clotting disorders (thrombophilia & APS)
- Colour blindness
- Congenital adrenal hyperplasia
- Cystic fibrosis
- Down syndrome (trisomy 21)
- Fragile X syndrome
- Friedreich's ataxia
- G6PD deficiency (favism)
- Gilbert's syndrome
- Haemochromatosis & Wilson's disease
- Haemophilia & bleeding disorders
- Hereditary cancer syndromes (BRCA, Lynch)
- Hereditary spherocytosis
- Huntington's disease
- Hypermobility and Ehlers–Danlos syndromes
- Hypertrophic cardiomyopathy
- Klinefelter syndrome (XXY)
- Long QT syndrome
- Marfan syndrome & connective tissue disorders
- Mast cell activation & mastocytosis
- Muscular dystrophy
- Neurofibromatosis type 1
- Osteogenesis imperfecta (brittle bone disease)
- Otosclerosis
- Phenylketonuria (PKU)
- Polycystic kidney disease
- Primary immunodeficiency
- Retinitis pigmentosa
- Sickle cell disease
- Spinal muscular atrophy
- Thalassaemia
- Tuberous sclerosis complex
- Turner syndrome
- Von Willebrand disease
Infectious
- Acute bronchitis
- African trypanosomiasis (sleeping sickness)
- Appendicitis
- Aspergillosis
- Bartholin's cyst and abscess
- Boils and folliculitis
- Brain abscess
- Bronchiolitis & RSV
- Brucellosis
- Candida & fungal infection
- Cat-scratch disease
- Cellulitis
- Chagas disease
- Chickenpox (varicella)
- Clostridioides difficile colitis
- Cold sores (herpes simplex)
- Common cold
- Conjunctivitis
- COVID-19
- Croup & epiglottitis
- Cryptococcal meningitis
- Dengue & mosquito-borne fevers
- Dental abscess
- Diphtheria
- Ear infections (otitis media & externa)
- Ebola virus disease
- Echinococcosis (hydatid disease)
- Encephalitis
- Endemic fungal infections (histoplasmosis, coccidioidomycosis)
- Epididymitis and orchitis
- Fungal nail infection (onychomycosis)
- Fungal skin infection (tinea)
- Gastroenteritis
- Giardiasis
- Hand, foot and mouth disease
- Hantavirus infection
- HIV infection
- Infectious mononucleosis
- Infective endocarditis
- Influenza
- Intestinal worms & schistosomiasis
- Japanese encephalitis
- Keratitis (corneal infection and ulcer)
- Kidney infection
- Legionnaires' disease
- Leishmaniasis
- Leprosy (Hansen's disease)
- Leptospirosis (Weil's disease)
- Liver abscess (pyogenic and amoebic)
- Lung abscess
- Lyme disease
- Lymphangitis
- Lymphatic filariasis (elephantiasis)
- Malaria
- Mastitis & breast abscess
- Maternal (puerperal) sepsis
- Measles
- Meningitis
- Mpox (monkeypox)
- MRSA and resistant staph infection
- Mumps
- Necrotising fasciitis
- Neonatal sepsis
- Neurocysticercosis
- Neutropenic sepsis
- Onchocerciasis (river blindness)
- Osteomyelitis (bone infection)
- Parvovirus B19 (fifth disease)
- Pelvic inflammatory disease
- Peptic ulcer disease
- Peritonitis
- Pneumocystis pneumonia (PCP)
- Pneumonia
- Poliomyelitis
- Rabies
- Roseola (sixth disease)
- Rubella (German measles)
- Scabies & lice
- Scarlet fever
- Scrub typhus & rickettsial infections
- Sepsis
- Septic arthritis
- Sexually transmitted infections
- Shingles (herpes zoster)
- Sinusitis
- Tetanus
- Thrush & bacterial vaginosis
- Tick-borne encephalitis
- Tonsillitis & quinsy
- Tooth decay & gum disease
- Toxic shock syndrome
- Toxoplasmosis & CMV
- Trachoma
- Trichinellosis
- Tuberculosis
- Typhoid & cholera
- Urinary tract infection
- Viral hepatitis (A, B, C, D, E)
- Warts, molluscum and skin infections
- Whooping cough
- Yellow fever
Inflammatory
- Acne vulgaris
- Acute respiratory distress syndrome
- Adenomyosis
- Allergic rhinitis (hay fever)
- Asthma
- Balanitis
- Bell's palsy
- Blepharitis & styes
- Bursitis
- Costochondritis
- De Quervain's tenosynovitis
- Endometriosis
- Eosinophilic oesophagitis
- Epidermoid (sebaceous) cyst
- Frozen shoulder (adhesive capsulitis)
- Gastritis
- Hidradenitis suppurativa
- Ingrown toenail
- Interstitial cystitis (bladder pain syndrome)
- Kawasaki disease
- Laryngitis & voice disorders
- Microscopic colitis
- Mouth ulcers (aphthous stomatitis)
- Myocarditis
- Nappy (diaper) rash
- Nasal polyps
- Necrotising enterocolitis
- Pancreatitis
- Pericardial effusion & tamponade
- Pericarditis
- Phimosis
- Pilonidal sinus
- Pityriasis rosea
- Pleural effusion
- Pleurisy
- Prostatitis & pelvic pain
- Rosacea
- Scleritis and episcleritis
- Seborrhoeic dermatitis & dandruff
Metabolic
- Acromegaly
- Amyloidosis (AL and ATTR)
- Cushing's syndrome
- Dehydration & electrolyte disorders
- Diabetes insipidus (arginine vasopressin deficiency)
- Diabetic ketoacidosis
- Early puberty (precocious puberty)
- Gallstones
- Gestational diabetes
- Gout
- Gynaecomastia
- High cholesterol
- Hyperparathyroidism
- Hypoglycaemia (low blood sugar)
- Hypoparathyroidism
- Hypopituitarism
- Intrahepatic cholestasis of pregnancy
- Kidney stones
- Lactose & food intolerance
- Male hypogonadism
- Metabolic fatty liver disease (MASLD)
- Metabolic syndrome
- Newborn jaundice
- Obesity
- Paget's disease of bone
- Polycystic ovary syndrome
- Prediabetes
- Pseudogout (calcium pyrophosphate disease)
- Salivary gland stones
- SIADH (inappropriate antidiuretic hormone)
- Type 2 diabetes
Neoplastic
- Acute leukaemia (AML & ALL)
- Anal cancer
- Benign breast lumps (fibroadenoma, cysts)
- Bile duct cancer (cholangiocarcinoma)
- Bladder cancer
- Bone metastases and spinal cord compression
- Brain tumour (glioma & meningioma)
- Breast cancer
- Cervical cancer
- Chronic leukaemia (CML & CLL)
- Colon polyps
- Colorectal cancer
- Endometrial (womb) cancer
- Endometrial polyps and hyperplasia
- Essential thrombocythaemia
- Eye melanoma (uveal melanoma)
- Gallbladder cancer
- Head and neck cancer
- Infantile haemangioma (strawberry mark)
- Kaposi sarcoma
- Kidney cancer
- Lipoma
- Liver cancer (hepatocellular carcinoma)
- Lung cancer
- Lymphoma (Hodgkin & non-Hodgkin)
- Male breast cancer
- Melanoma
- Mesothelioma
- MGUS (monoclonal gammopathy)
- Molar pregnancy and gestational trophoblastic disease
- Multiple myeloma
- Myelodysplastic syndromes
- Myelofibrosis
- Neuroblastoma
- Neuroendocrine tumours (carcinoid)
- Oesophageal cancer
- Ovarian cancer
- Pancreatic cancer
- Penile cancer
- Phaeochromocytoma & hyperaldosteronism
- Pituitary adenoma
- Polycythaemia vera
- Prostate cancer
- Retinoblastoma
- Salivary gland tumours
- Sarcoma
- Skin cancer (basal cell & squamous cell)
- Stomach cancer
- Testicular cancer
- Thyroid cancer
- Thyroid nodules & goitre
- Uterine fibroids
- Vaginal cancer
- Vestibular schwannoma (acoustic neuroma)
- Vulval cancer
- Wilms tumour (nephroblastoma)
Nutritional
Psychiatric
- Adjustment disorder
- Bipolar disorder
- Body dysmorphic disorder
- Borderline personality disorder
- Burnout
- Conduct disorder
- Dissociative disorders
- Eating disorders
- Functional (somatic) symptom disorder
- Gambling disorder
- Generalised anxiety disorder
- Major depressive disorder
- Obsessive-compulsive disorder
- Panic disorder
- Post-traumatic stress disorder
- Postnatal depression
- Postpartum psychosis
- Schizophrenia
- Seasonal affective disorder
- Self-harm and suicidal crisis
- Social anxiety disorder
- Specific phobia
- Substance use disorder
Toxic
- Acute kidney injury
- Acute liver failure
- Alcohol withdrawal and delirium tremens
- Alcohol-related liver disease
- Asbestosis and asbestos-related disease
- Botulism
- Food poisoning
- Heat exhaustion & heatstroke
- Hepatic encephalopathy
- Hypothermia & frostbite
- Lead poisoning
- Noise-induced hearing loss
- Poisoning & overdose
- Radiation injury
- Rhabdomyolysis
- Silicosis and coal workers' pneumoconiosis
- Stevens–Johnson syndrome / toxic epidermal necrolysis
- Venomous snakebite
Traumatic
- Achilles tendon rupture
- ACL & meniscus injury
- Anal fissure & fistula
- Ankle sprain
- Asherman's syndrome
- Bowel obstruction
- Burns
- Cauda equina syndrome
- Compartment syndrome
- Concussion (mild TBI)
- Corneal abrasion (scratched eye)
- Deviated nasal septum
- Drowning
- Ectopic pregnancy
- Female genital mutilation (FGM)
- Fractures
- Fragility fracture
- Mallory–Weiss tear
- Muscle strain (pulled muscle)
- Obstructed labour and obstetric fistula
- Osgood–Schlatter disease
- Perineal tear in childbirth
- Pneumothorax
- Pressure ulcers & chronic wounds
- Retinal detachment
- Shin splints (medial tibial stress syndrome)
- Shoulder dislocation
- Slipped capital femoral epiphysis
- Spinal cord injury
- Subdural haematoma
- Testicular torsion
- Traumatic brain injury (moderate to severe)
- Urethral stricture
- Whiplash
Vascular
- Acute mesenteric ischaemia (gut stroke)
- Aortic aneurysm
- Aortic dissection
- Avascular necrosis (osteonecrosis)
- Birth asphyxia (hypoxic-ischaemic encephalopathy)
- Brain aneurysm
- Buerger's disease (thromboangiitis obliterans)
- Burst blood vessel in the eye (subconjunctival haemorrhage)
- Carotid artery stenosis
- Chilblains (pernio)
- Chronic venous insufficiency
- Coronary artery disease
- Deep vein thrombosis
- Diabetic retinopathy
- Disseminated intravascular coagulation
- Erectile dysfunction
- Fetal growth restriction
- Gastrointestinal bleeding
- Haemolytic uraemic syndrome
- Haemorrhagic stroke
- Haemorrhoids
- Heart attack
- High blood pressure
- Ischaemic colitis
- Ischaemic stroke
- Nosebleed (epistaxis)
- Ovarian torsion
- Peripheral artery disease
- Perthes disease
- Placenta praevia
- Placental abruption
- Portal vein thrombosis and Budd–Chiari syndrome
- Postpartum haemorrhage
- Pre-eclampsia
- Priapism
- Pulmonary embolism
- Pulmonary hypertension
- Pulmonary oedema
- Raynaud's phenomenon
- Renal artery stenosis
- Retinal artery occlusion (eye stroke)
- Retinal vein occlusion
- Retinopathy of prematurity
- Shock (circulatory failure)
- Stillbirth
- Sudden cardiac arrest
- Superficial thrombophlebitis
- Thoracic outlet syndrome
- Transient ischaemic attack
- Varicocele
- Varicose veins
- Vascular dementia