Find a health condition from our A to Z list of common topics. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A Acute pancreatitis Addison's disease ADHD in children and young people Anaemia (iron deficiency) Anaemia (vitamin B12 or folate deficiency) Angina Appendicitis Asthma Atrial fibrillation Autism View all A topics Back to top B Bipolar disorder Blepharitis Blood pressure (high) Blood pressure (low) Borderline personality disorder Bowel cancer Broken or bruised ribs Bronchiectasis Burns and scalds Bursitis View all B topics Back to top C Chest infection Chickenpox Chlamydia Cholesterol (high) Chronic kidney disease Chronic obstructive pulmonary disease (COPD) Coeliac disease Constipation COVID-19 Crohn's disease View all C topics Back to top D Dehydration Dental abscess Depression in adults Developmental co-ordination disorder (dyspraxia) in children Diabetes (type 1) Diabetes (type 2) Diverticular disease and diverticulitis DVT (deep vein thrombosis) Dyslexia Dyspraxia (developmental co-ordination disorder) in adults View all D topics Back to top E Ear infections Earwax build-up Eating disorders Ectopic pregnancy Eczema (atopic) Ehlers-Danlos syndromes Encephalitis Endometriosis Epilepsy Excessive sweating (hyperhidrosis) View all E topics Back to top F Febrile seizures Fibroids Fibromyalgia Flu Food allergy Food intolerance Food poisoning Frontotemporal dementia Frozen shoulder Fungal nail infection View all F topics Back to top G Gallstones Gastritis Generalised anxiety disorder (GAD) Genital herpes Gestational diabetes Giardiasis Glandular fever Gonorrhoea Gout Guillain-Barré syndrome View all G topics Back to top H Haemorrhoids (piles) Hand, foot and mouth disease Hay fever Head injury and concussion Heart attack Heart failure Heartburn and acid reflux Heat exhaustion and heatstroke Heat rash (prickly heat) Hives View all H topics Back to top I Impetigo Indigestion Infertility Inflammatory bowel disease Ingrown toenail Insect bites and stings Insomnia Intracranial hypertension Iron deficiency anaemia Irritable bowel syndrome (IBS) View all I topics Back to top J Japanese encephalitis Jaundice (newborn) Jellyfish and other sea creature stings Jet lag Joint hypermobility syndrome Back to top K Kawasaki disease Keloid scars Keratosis pilaris Kidney cancer Kidney infection Kidney stones Klinefelter syndrome Knock knees Knocked-out tooth Kyphosis View all K topics Back to top L Labyrinthitis and vestibular neuritis Lactose intolerance Laryngitis Leg cramps Liver disease Low blood pressure (hypotension) Low blood sugar (hypoglycaemia) Lung cancer Lupus Lyme disease View all L topics Back to top M Measles Melanoma skin cancer Meningitis Menopause Migraine Miscarriage Mouth ulcers Mpox Multiple sclerosis Myalgic encephalomyelitis or chronic fatigue syndrome (ME/CFS) View all M topics Back to top N Nappy rash Narcolepsy Nasal polyps Neurofibromatosis type 1 (NF1) Non-alcoholic fatty liver disease (NAFLD) Non-allergic rhinitis Non-Hodgkin lymphoma Non-melanoma skin cancer Norovirus (vomiting bug) Nosebleed View all N topics Back to top O Obesity Obsessive compulsive disorder (OCD) Oesophageal cancer Oral thrush (mouth thrush) Osteoarthritis Osteomyelitis Osteoporosis Ovarian cancer Ovarian cyst Overactive thyroid (hyperthyroidism) View all O topics Back to top P Parkinson's disease Peripheral neuropathy Piles (haemorrhoids) Plantar fasciitis Pneumonia Polycystic ovary syndrome Postural tachycardia syndrome (PoTS) Pre-eclampsia Prostate cancer Psoriasis View all P topics Back to top Q Q fever Back to top R Raynaud's Reflux in babies Respiratory syncytial virus (RSV) Respiratory tract infections (RTIs) Restless legs syndrome Retinal migraine Rheumatoid arthritis Ringworm Rosacea Roseola View all R topics Back to top S Scabies Scarlet fever Sciatica Sepsis Shingles Sinusitis (sinus infection) Slapped cheek syndrome Stomach ulcer Stye Swollen ankles, feet and legs (oedema) View all S topics Back to top T Temporomandibular disorder (TMD) Tendonitis Tennis elbow Threadworms Thrush in men and women Tinnitus Tonsillitis Transient ischaemic attack (TIA) Trigeminal neuralgia Type 2 diabetes View all T topics Back to top U Ulcerative colitis Underactive thyroid (hypothyroidism) Undescended testicles Urethritis Urinary incontinence Urinary tract infections (UTIs) Uveitis Back to top V Vaginitis Varicose eczema Varicose veins Vascular dementia Vasculitis Venous leg ulcer Vitamin B12 or folate deficiency anaemia Vitiligo Vulval cancer Vulvodynia (vulval pain) View all V topics Back to top W Warts and verrucas Whiplash Whooping cough Wolff-Parkinson-White syndrome Womb (uterus) cancer Back to top X There are currently no topics listed Back to top Y Yellow fever Back to top Z Zika virus Back to top