Trusted health information

Health A–Z

Search conditions, symptoms, treatments and common health topics.

Search Health A–Z

Abdominal aortic aneurysm Abdominal aortic aneurysm (AAA) screening Abortion Acanthosis nigricans Achalasia Acid and chemical burns Acne Acoustic neuroma (vestibular schwannoma)Acromegaly Actinic keratoses (solar keratoses)Actinomycosis Acute cholecystitis Acute kidney injury (AKI)Acute lymphoblastic leukaemia Acute myeloid leukaemia Acute pancreatitis Acute respiratory distress syndrome (ARDS)Addison's disease Adenoidectomy Adenomyosis ADHD in adults ADHD in children and young people Age-related macular degeneration (AMD)Albinism Alcohol misuse Alcohol poisoning Alcohol-related liver disease Alcohol-use disorder Alexander technique Alkaptonuria Allergic rhinitis Allergies Altitude sickness Alzheimer's disease Amniocentesis Amputation Amyloidosis Anabolic steroid misuse Anal cancer Anal fissure Anal fistula Anaphylaxis Androgen insensitivity syndrome Angelman syndrome Angina Angioedema Angiography Animal and human bites Ankylosing spondylitis Antiphospholipid syndrome (APS)Aortic valve replacement Aphasia Appendicitis Arthritis Arthroscopy Asbestosis Aspergillosis Asthma Astigmatism Ataxia Atherosclerosis 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 Baby - Caring for a newborn baby - Nappy rash Back pain Bacterial vaginosis Bad breath Baker's cyst Balanitis Barium enema Bartholin's cyst Bedbugs Bedwetting in children BehÃ§et's disease Bell's palsy Benign prostate enlargement Bile duct cancer (cholangiocarcinoma)Bird flu Birthmarks Black eye Bladder cancer Bladder pain syndrome (BPS)Bladder pain syndrome (interstitial cystitis)Bladder stones Blepharitis Blisters Blood groups Blood pressure test Blood transfusion Body odour (BO)Boils Bone cancer Bone cyst Bone density scan (DEXA scan)Botulism Bowel cancer Bowel cancer Bowel cancer screening Bowel incontinence Bowel polyps Bowen's disease Braces and orthodontics Brain abscess Brain aneurysm Brain death Brain tumours Breast abscess Breast cancer in men Breast cancer in women Breast pain Breast reduction on the NHS Breast screening (mammogram)Breath-holding in babies and children Broken ankle Broken arm or wrist Broken collarbone Broken finger or thumb Broken hip Broken leg Broken nose Broken or bruised ribs Broken toe Bronchiectasis Bronchiolitis Bronchitis Bronchodilators Brucellosis Brugada syndrome Bulging eyes (exophthalmos)Bullous pemphigoid Bunions Burns and scalds Bursitis Cancer Carbon monoxide poisoning Cardiac catheterisation and coronary angiography Cardiomyopathy Cardiovascular disease Carotid endarterectomy Carpal tunnel syndrome Cataract surgery Cataracts in adults Catarrh Cavernoma Cavernous sinus thrombosis Cellulitis Cerebral palsy Cervical cancer Cervical screening Cervical spondylosis Charcot-Marie-Tooth disease Charles Bonnet syndrome Chest infection Chest pain Chiari malformation Chickenpox Chilblains Childhood cataracts Chipped, broken or cracked tooth Chiropractic Chlamydia Cholera Cholesteatoma Chronic kidney disease Chronic lymphocytic leukaemia Chronic myeloid leukaemia Chronic obstructive pulmonary disease (COPD)Chronic pancreatitis Chronic traumatic encephalopathy Cirrhosis Cleft lip and palate Clinical trials Clostridioides difficile (C. diff) infection Clubfoot Cluster headaches Coeliac disease Cold sores Colic Colour vision deficiency (colour blindness)Colposcopy Common cold Compartment syndrome Complementary and alternative medicine Complex regional pain syndrome Congenital heart disease Conjunctivitis Consent to treatment Constipation Contact dermatitis Continuous glucose monitoring and hybrid closed loop for diabetes Cornea transplant Corns and calluses Coronary angioplasty and stent insertion Coronary artery bypass graft Coronary heart disease Corticobasal degeneration Costochondritis COVID-19 COVID-19 rapid lateral flow test Cradle cap Craniosynostosis Creutzfeldt-Jakob disease Crohn's disease Croup Cushing's syndrome Cuts and grazes Cyclical vomiting syndrome Cyclospora Cystic fibrosis Cystitis Cytomegalovirus (CMV)Dandruff Deafblindness Dehydration Dementia with Lewy bodies Dengue Dental abscess Detached retina (retinal detachment)Developmental co-ordination disorder (dyspraxia) in children Developmental dysplasia of the hip Diabetes Diabetes insipidus Diabetic eye screening Diabetic ketoacidosis Diabetic retinopathy Differences in sex development DiGeorge syndrome (22q11 deletion)Diphtheria Discoid eczema Dislocated kneecap Dislocated shoulder Diverticular disease and diverticulitis Do not attempt cardiopulmonary resuscitation (DNACPR) decisions Down's syndrome Dry eyes Dry mouth Dupuytren's contracture DVT (deep vein thrombosis)Dysarthria (difficulty speaking)Dysentery Dyslexia Dyslexia in adults Dyslexia in children Dyspraxia in adults Dystonia Ear infections Early or delayed puberty Early or premature menopause Earwax build-up Ebola virus disease Echocardiogram Ectopic pregnancy Ectropion Edwards' syndrome (trisomy 18)Ehlers-Danlos syndromes Ejaculation problems Elbow and arm pain Electrocardiogram (ECG)Electrolyte test Empyema Encephalitis Endocarditis Endometriosis Enhanced recovery Enlarged prostate Epidermolysis bullosa Epididymitis Epidural Epiglottitis Epilepsy Erectile dysfunction (impotence)Erythema multiforme Erythema nodosum Erythrocytosis Erythromelalgia Euthanasia and assisted suicide Excessive daytime sleepiness (hypersomnia)Excessive hair growth (hirsutism)Excessive sweating (hyperhidrosis)Eye cancer Eye injuries Fainting Falls Febrile seizures Feeling sick (nausea)Female genital mutilation (FGM)Femoral hernia repair Fetal alcohol spectrum disorder Fibroids Fibromyalgia First aid Flat feet Flat head syndrome (plagiocephaly and brachycephaly)Flu Food allergy Food colours and hyperactivity Food intolerance Food poisoning Foot drop Foot pain - Ankle pain Foot pain - Heel pain Foot pain - Pain in the ball of the foot Foot pain - Pain in the bottom of the foot Foot pain - Pain in the top of the foot Foot pain - Toe pain Frontotemporal dementia Frostbite Frozen shoulder Fungal nail infection Gallbladder cancer Gallbladder removal Gallstones Ganglion cyst Ganglion cyst Gangrene Gastrectomy Gastritis Gastroparesis Gender dysphoria Gender dysphoria and incongruence Genital herpes Genital warts Gestational diabetes Giardiasis Gilbert's syndrome Glandular fever Glaucoma Glomerulonephritis Glue ear Glutaric aciduria type 1 Goitre Gonorrhoea Gout Granuloma annulare Granulomatosis with polyangiitis (GPA)Group B strep Growing pains Guillain-BarrÃ© syndrome Gum disease Gynaecomastia Haemochromatosis Haemolytic disease of the fetus and newborn (HDFN)Haemophilia Haemophilus influenzae type b (Hib)Hair dye reactions Hair loss Hamstring injury Hand pain - Finger pain Hand pain - Pain in the back of the hand Hand pain - Pain in the palm of the hand Hand pain - Thumb pain Hand pain - Wrist pain Hand tendon repair Hand, foot and mouth disease Hantavirus Hay fever Head and neck cancer Head injury and concussion Head lice and nits Headaches Hearing loss Heart attack Heart block Heart failure Heart rhythm problems (arrhythmia)Heart valve disease Heartburn and acid reflux Heat exhaustion and heatstroke Heat rash (prickly heat)Heavy periods Henoch-SchÃ¶nlein purpura (HSP)Hepatitis Hepatitis A Hepatitis B Hepatitis C Herbal medicines Hereditary haemorrhagic telangiectasia (HHT)Hereditary spastic paraplegia Hernia Herpes simplex eye infections Herpetic whitlow (whitlow finger)Hiatus hernia Hiccups Hidradenitis suppurativa (HS)High blood pressure High blood sugar (hyperglycaemia)High cholesterol Hip pain in adults Hip pain in children (irritable hip)Hip replacement Hirschsprung's disease HIV and AIDS Hives Hodgkin lymphoma Homeopathy Homocystinuria How to check your breasts or chest How to check your testicles How to collect a sample of poo (stool sample)Human papillomavirus (HPV)Huntington's disease Hydrocephalus Hydronephrosis Hyperparathyroidism Hypoparathyroidism Hypothermia Hysteroscopy Ichthyosis Idiopathic pulmonary fibrosis Impetigo Indigestion Infected piercings Infertility Inflammatory bowel disease Ingrown hairs Ingrown toenail Inguinal hernia repair Insect bites and stings Insomnia Intracranial hypertension Iron deficiency anaemia Irritable bowel syndrome (IBS)Isovaleric acidaemia Japanese encephalitis Jaundice Jaundice in babies Jellyfish and other sea creature stings Jet lag Joint hypermobility syndrome Kawasaki disease Keloid scars Keratosis pilaris Kidney cancer Kidney infection Kidney stones Klinefelter syndrome Knee ligament surgery Knee replacement Knock knees Knocked-out tooth Kyphosis Labial fusion Labyrinthitis and vestibular neuritis Lactate dehydrogenase (LDH) test Lactose intolerance Lambert-Eaton myasthenic syndrome Laryngeal cancer Laryngitis Lazy eye Learning disabilities Leg cramps Legionnaires' disease Leptospirosis (Weil's disease)Leukoplakia Lichen planus Lichen sclerosus Limping in children Lipoedema Lipoma Listeriosis Liver cancer Liver disease Long COVID Long QT syndrome Long-sightedness Lost or changed sense of smell Low blood pressure (hypotension)Low blood sugar (hypoglycaemia)Low sperm count Low white blood cell count Lumbar decompression surgery Lumps Lung cancer Lung cancer screening Lupus Lyme disease Lymphoedema Macular hole Magnesium test Malaria Malignant brain tumour (brain cancer)Mallet finger Malnutrition Maple syrup urine disease Marfan syndrome Mastectomy Mastitis Mastocytosis Mastoiditis MCADD Measles Medical cannabis (and cannabis oils)Medically unexplained symptoms Medicines information Melanoma skin cancer Meningitis Meniscus tear (knee cartilage damage)Menopause Menopause and perimenopause Mesothelioma Metabolic syndrome Metallic taste Middle East respiratory syndrome (MERS)Migraine Miscarriage Molar pregnancy Moles Molluscum contagiosum Morton's neuroma Motion sickness Motor neurone disease (MND)Mouth cancer Mouth ulcers Mpox MRSA Mucositis Multiple myeloma Multiple sclerosis Multiple system atrophy (MSA)Mumps Muscular dystrophy Myalgic encephalomyelitis or chronic fatigue syndrome (ME/CFS)Myasthenia gravis Myelodysplastic syndrome (MDS)Myeloma Myositis MÃ©niÃ¨re's disease Nail patella syndrome Nail problems Narcolepsy Nasal and sinus cancer Nasal polyps Nasopharyngeal cancer Necrotising fasciitis Neonatal herpes (herpes in a baby)Nephrotic syndrome in children Neurofibromatosis type 1 (NF1)Neurofibromatosis type 2 (NF2)Neuromyelitis optica (NMO)Newborn jaundice Newborn respiratory distress syndrome NHS screening Night terrors and nightmares Noise sensitivity (hyperacusis)Non-alcoholic fatty liver disease (NAFLD)Non-allergic rhinitis Non-cancerous (benign) brain tumours Non-Hodgkin lymphoma Non-melanoma skin cancer Noonan syndrome Norovirus (vomiting bug)Nosebleed Obesity Oesophageal atresia and tracheo-oesophageal fistula Oesophageal cancer Oral thrush (mouth thrush)Orf Orthodontics Osteoarthritis Osteomyelitis Osteopathy Osteophyte (bone spur)Osteoporosis Otosclerosis Ovarian cancer Ovarian cyst Overactive thyroid (hyperthyroidism)Overweight and obesity in adults Ovulation pain Pacemaker implantation Paget's disease of bone Paget's disease of the nipple Pancreatic cancer Parkinson's disease Patau's syndrome Peak flow test Pelvic inflammatory disease Pelvic organ prolapse Pemphigus vulgaris Penile cancer Penis lumps and spots Perforated eardrum Pericarditis Periods Peripheral arterial disease (PAD)Peripheral neuropathy Peritonitis Persistent trophoblastic disease and choriocarcinoma PET scan Peyronie's disease Phaeochromocytoma Phenylketonuria Phlebitis (superficial thrombophlebitis)Phosphate test Photodynamic therapy (PDT)Piles (haemorrhoids)Pilonidal sinus PIP breast implants Pityriasis rosea Pityriasis versicolor Plagiocephaly and brachycephaly (flat head syndrome)Plantar fasciitis Pleurisy PMS (premenstrual syndrome)Pneumonia Poisoning Polio Polycystic ovary syndrome Polyendocrine metabolic ovarian syndrome (PMOS)Polyhydramnios (too much amniotic fluid)Polymorphic light eruption Polymyalgia rheumatica Pompholyx (dyshidrotic eczema)Post-herpetic neuralgia Post-mortem Post-polio syndrome Postural tachycardia syndrome (PoTS)Potassium test Prader-Willi syndrome Pre-eclampsia Predictive genetic tests for cancer risk genes Pressure ulcers (pressure sores)Priapism (painful erections)Primary biliary cholangitis (primary biliary cirrhosis)Probiotics Problems swallowing pills Progressive supranuclear palsy Prosopagnosia (face blindness)Prostate cancer Prostate problems Prostatitis Psoriasis Psoriatic arthritis Pubic lice Pudendal neuralgia Pulmonary embolism Pulmonary hypertension Pyoderma gangrenosum Q fever Rabies Raynaud's Reactive arthritis Reflux in babies Repetitive strain injury (RSI)Respiratory syncytial virus (RSV)Respiratory tract infections (RTIs)Restless legs syndrome Restricted growth (dwarfism)Retinal migraine Retinoblastoma Rett syndrome Reye's syndrome Rhesus disease Rheumatic fever Rheumatoid arthritis Rickets and osteomalacia Ringworm Rosacea Roseola Rubella (german measles)Salivary gland stones Sarcoidosis Scabies Scarlet fever Scars Schistosomiasis (bilharzia)Sciatica Scleroderma Scoliosis Scurvy Sepsis Septic arthritis Sexually transmitted infections (STIs)Shin splints Shingles Short-sightedness (myopia)Shoulder impingement Shoulder pain Sick building syndrome Sickle cell disease Silicosis Sinusitis (sinus infection)SjÃ¶gren's syndrome Skin abscess Skin cyst Skin tags Slapped cheek syndrome Sleep apnoea Sleep paralysis Sleepwalking Slipped disc Smelly feet Smelly urine Snake bites Soft tissue sarcoma Soiling (child pooing their pants)Sore or dry lips Spina bifida Spinal muscular atrophy (SMA)Spirometry Spleen problems and spleen removal Spondylolisthesis Sprains and strains Squint Stammering Staph infection Stem cell and bone marrow transplants Steroid inhalers Stevens-Johnson syndrome Stillbirth Stomach cancer Stomach ulcer Stop smoking treatments Strep A Stretch marks Stroke Stye Subarachnoid haemorrhage Subdural haematoma Sudden confusion (delirium)Sudden infant death syndrome (SIDS)Sunburn Supraventricular tachycardia (SVT)Swollen ankles, feet and legs (oedema)Swollen arms and hands (oedema)Syphilis Tailbone (coccyx) pain Tay-Sachs disease Teeth whitening Temporal arteritis Temporomandibular disorder (TMD)Tendonitis Tennis elbow Tension headaches Testicular cancer Tetanus Thalassaemia The 'male menopause'Thoracic outlet syndrome Threadworms Thrombophilia Thrush in men and women Thyroid cancer Tick-borne encephalitis (TBE)Tics Tight foreskin (phimosis)Tinnitus Tiredness and fatigue Tongue-tie Tonsillitis Tooth decay Total iron-binding capacity (TIBC) and transferrin test Total protein test Tourette syndrome Tourette's syndrome Toxic shock syndrome Toxocariasis Toxoplasmosis Tracheostomy Transient ischaemic attack (TIA)Tremor or shaking hands Trichomoniasis Trigeminal neuralgia Trigger finger Trimethylaminuria ('fish odour syndrome')Tuberculosis (TB)Tuberous sclerosis Turner syndrome Twitching eyes and muscles Type 1 diabetes Type 2 diabetes Typhoid fever Typhus Ulcerative colitis Umbilical hernia Umbilical hernia repair Underactive thyroid (hypothyroidism)Undescended testicles Urethritis Urinary incontinence Urinary tract infections (UTIs)Urine albumin to creatinine ratio (ACR)Uveitis Vaginal bleeding between periods or after sex Vaginal cancer Vaginismus Vaginitis Varicose eczema Varicose veins Vascular dementia Vasculitis Venous leg ulcer Vertigo Vision loss Vitamin B12 or folate deficiency anaemia Vitiligo Vomiting blood Von Willebrand disease Vulval cancer Vulvodynia (vulval pain)Warts and verrucas Weight loss surgery What to do if someone has a seizure (fit)Whiplash Whooping cough Wisdom tooth removal Wolff-Parkinson-White syndrome Womb (uterus) cancer Worms in humans Yellow fever Zika virus

No matching health topics found.