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Health A-Z

    A

    • Abdominal aortic aneurysm
    • Abdominal aortic aneurysm screening
    • Abortion
    • Abscess
    • Acanthosis nigricans
    • Achalasia
    • Acid and chemical burns
    • Acne
    • Acoustic neuroma (vestibular schwannoma)
    • Acromegaly
    • Actinic keratoses (solar keratoses)
    • Actinomycosis
    • Acupuncture
    • Acute cholecystitis
    • Acute kidney injury
    • Acute lymphoblastic leukaemia
    • Acute myeloid leukaemia
    • Acute pancreatitis
    • Acute respiratory distress syndrome
    • Addison's disease
    • Adenoidectomy
    • Age-related cataracts
    • Age-related macular degeneration (AMD)
    • Agoraphobia
    • Air or gas embolism
    • Albinism
    • Alcohol misuse
    • Alcohol poisoning
    • Alcohol-related liver disease
    • Alexander technique
    • Alkaptonuria
    • Allergic rhinitis
    • Allergies
    • Altitude sickness
    • Alzheimer's disease
    • Amniocentesis
    • Amputation
    • Amyloidosis
    • Anabolic steroid misuse
    • Anaesthesia
    • Anal cancer
    • Anal fissure
    • Anal fistula
    • Anal pain
    • Anaphylaxis
    • Androgen insensitivity syndrome
    • Angelman syndrome
    • Angina
    • Angioedema
    • Angiography
    • Animal and human bites
    • Ankle pain
    • Ankylosing spondylitis
    • Anorexia nervosa
    • Anosmia
    • Antacids
    • Antibiotics
    • Anticoagulant medicines
    • Antidepressants
    • Antifungal medicines
    • Antihistamines
    • Antiphospholipid syndrome (APS)
    • Antisocial personality disorder
    • Anxiety disorders in children
    • Aortic valve replacement
    • Aphasia
    • Appendicitis
    • Arrhythmia
    • Arterial thrombosis
    • Arthritis
    • Arthroscopy
    • Asbestosis
    • Aspergillosis
    • Aspirin
    • Asthma
    • Astigmatism
    • Ataxia
    • Atherosclerosis (arteriosclerosis)
    • 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

    B

    • Back pain
    • Bacterial vaginosis
    • Bad breath
    • Baker's cyst
    • Balanitis
    • Barium enema
    • Bartholin's cyst
    • Bedbugs
    • Bedwetting in children
    • Behçet's disease
    • Bell's palsy
    • Benign brain tumour (non-cancerous)
    • Benign prostate enlargement
    • Beta blockers
    • Bile duct cancer (cholangiocarcinoma)
    • Binge eating disorder
    • Biopsy
    • Bipolar disorder
    • Bird flu
    • Birthmarks
    • Black eye
    • Bladder cancer
    • Bladder pain syndrome (interstitial cystitis)
    • Bladder stones
    • Bleeding from the bottom (rectal bleeding)
    • Blepharitis
    • Blindness and vision loss
    • Blisters
    • Bloating
    • Blood clots
    • Blood groups
    • Blood in semen
    • Blood in urine
    • Blood pressure test
    • Blood tests
    • Blood transfusion
    • Blue skin or lips (cyanosis)
    • Blushing
    • Body dysmorphic disorder (BDD)
    • Body odour (BO)
    • Boils
    • Bone cancer
    • Bone cyst
    • Bone density scan (DEXA scan)
    • Borderline personality disorder
    • Botulism
    • 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 lumps
    • Breast pain
    • Breast reduction on the NHS
    • Breath-holding in babies and children
    • Broken ankle
    • Broken arm or wrist
    • Broken collarbone
    • Broken finger or thumb
    • Broken leg
    • Broken nose
    • Broken or bruised ribs
    • Broken toe
    • Bronchiectasis
    • Bronchiolitis
    • Bronchitis
    • Bronchodilators
    • Brucellosis
    • Brugada syndrome
    • Bulimia
    • Bullous pemphigoid
    • Bunions
    • Burns and scalds
    • Bursitis

    C

    • CT scan
    • Caesarean section
    • Cancer
    • Carbon monoxide poisoning
    • Carcinoembryonic antigen (CEA) test
    • Cardiac catheterisation and coronary angiography
    • Cardiomyopathy
    • Cardiovascular disease
    • Carotid endarterectomy
    • Carpal tunnel syndrome
    • Cartilage damage
    • Cataract surgery
    • Catarrh
    • Cavernoma
    • Cavernous sinus thrombosis
    • Cellulitis
    • Cerebral palsy
    • Cervical cancer
    • Cervical rib
    • Cervical screening
    • Cervical spondylosis
    • Charcot-Marie-Tooth disease
    • Charles Bonnet syndrome
    • Chemotherapy
    • Chest infection
    • Chest pain
    • Chiari malformation
    • Chickenpox
    • Chilblains
    • Childhood cataracts
    • Chipped, broken or cracked tooth
    • Chiropractic
    • Chlamydia
    • Cholera
    • Cholesteatoma
    • Chorionic villus sampling
    • Chronic kidney disease
    • Chronic lymphocytic leukaemia
    • Chronic myeloid leukaemia
    • Chronic obstructive pulmonary disease (COPD)
    • Chronic pancreatitis
    • Chronic traumatic encephalopathy
    • Circumcision in boys
    • Circumcision in men
    • Cirrhosis
    • Claustrophobia
    • Cleft lip and palate
    • Clinical depression
    • Clinical trials
    • Clostridium difficile (C. diff) infection
    • Club foot
    • Cluster headaches
    • Coeliac disease
    • Cognitive behavioural therapy (CBT)
    • Cold sores
    • Colic
    • Colonoscopy
    • Colostomy
    • Colour vision deficiency (colour blindness)
    • Colposcopy
    • Coma
    • Common cold
    • Compartment syndrome
    • Complementary and alternative medicine
    • Complex regional pain syndrome
    • Concussion
    • Congenital heart disease
    • Conjunctivitis
    • Consent to treatment
    • Constipation
    • Contact dermatitis
    • Cornea transplant
    • Corns and calluses
    • Coronary angioplasty and stent insertion
    • Coronary artery bypass graft
    • Coronary heart disease
    • Coronavirus (COVID-19)
    • Corticobasal degeneration
    • Costochondritis
    • Cough
    • Coughing up blood (blood in phlegm)
    • Counselling
    • Cradle cap
    • Craniosynostosis
    • Creutzfeldt-Jakob disease
    • Crohn's disease
    • Croup
    • Cushing's syndrome
    • Cuts and grazes
    • Cyclical vomiting syndrome
    • Cyclospora
    • Cyclothymia
    • Cystic fibrosis
    • Cystitis
    • Cystoscopy
    • Cytomegalovirus (CMV)

    D

    • DVT (deep vein thrombosis)
    • Dandruff
    • Deafblindness
    • Decongestants
    • Dehydration
    • Dementia with Lewy bodies
    • Dengue
    • Dental abscess
    • Dentures (false teeth)
    • Detached retina (retinal detachment)
    • Developmental co-ordination disorder (dyspraxia) in children
    • Developmental dysplasia of the hip
    • DiGeorge syndrome (22q11 deletion)
    • Diabetes
    • Diabetes insipidus
    • Diabetic eye screening
    • Diabetic eye screening 1
    • Diabetic eye screening 2
    • Diabetic ketoacidosis
    • Diabetic retinopathy
    • Dialysis
    • Diarrhoea and vomiting
    • Differences in sex development
    • Diphtheria
    • Discoid eczema
    • Dislocated kneecap
    • Dislocated shoulder
    • Disorders of consciousness
    • Dissociative disorders
    • Diverticular disease and diverticulitis
    • Dizziness
    • Do not attempt cardiopulmonary resuscitation (DNACPR) decisions
    • Double vision
    • Down's syndrome
    • Dry eyes
    • Dry mouth
    • Dupuytren's contracture
    • Dysarthria (difficulty speaking)
    • Dysentery
    • Dyslexia
    • Dysphagia (swallowing problems)
    • Dyspraxia (developmental co-ordination disorder) in adults
    • Dystonia

    E

    • Ear infections
    • Earache
    • Early menopause
    • Early or delayed puberty
    • Earwax build-up
    • Eating disorders
    • Ebola virus disease
    • Echocardiogram
    • Ectopic pregnancy
    • Ectropion
    • Edwards' syndrome (trisomy 18)
    • Ehlers-Danlos syndromes
    • Ejaculation problems
    • Elbow and arm pain
    • Electrocardiogram (ECG)
    • Electroencephalogram (EEG)
    • Electrolyte test
    • Embolism
    • Emollients
    • Empyema
    • Encephalitis
    • Endocarditis
    • Endometriosis
    • Endoscopy
    • Enhanced recovery
    • Epidermolysis bullosa
    • Epididymitis
    • Epidural
    • Epiglottitis
    • Epilepsy
    • Erectile dysfunction (impotence)
    • Erythema multiforme
    • Erythema nodosum
    • Erythromelalgia
    • Euthanasia and assisted suicide
    • Ewing sarcoma
    • Excessive daytime sleepiness (hypersomnia)
    • Excessive hair growth (hirsutism)
    • Excessive sweating (hyperhidrosis)
    • Excessive thirst
    • Exophthalmos (bulging eyes)
    • Eye cancer
    • Eye injuries
    • Eye tests for children
    • Eyelid problems

    F

    • Fabricated or induced illness
    • Fainting
    • Falls
    • Farting (flatulence)
    • Febrile seizures
    • Feeling sick (nausea)
    • Female genital mutilation (FGM)
    • Femoral hernia repair
    • Fibroids
    • Fibromyalgia
    • Finger pain
    • First aid
    • Flat feet
    • Floaters and flashes in the eyes
    • Flu
    • Fluoride
    • Foetal alcohol spectrum disorder
    • Food allergy
    • Food colours and hyperactivity
    • Food intolerance
    • Food poisoning
    • Foot drop
    • Foot pain
    • Frontotemporal dementia
    • Frostbite
    • Frozen shoulder
    • Fungal nail infection

    G

    • Gallbladder cancer
    • Gallbladder removal
    • Gallstones
    • Ganglion cyst
    • Gangrene
    • Gastrectomy
    • Gastritis
    • Gastroparesis
    • Gastroscopy
    • Gender dysphoria
    • General anaesthesia
    • Generalised anxiety disorder in adults
    • Genetic and genomic testing
    • 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
    • Group B strep
    • Growing pains
    • Guillain-Barré syndrome
    • Gum disease

    H

    • HIV and AIDS
    • Haemochromatosis
    • Haemophilia
    • Haemophilus influenzae type b (Hib)
    • Hair dye reactions
    • Hair loss
    • Hairy cell leukaemia
    • Hallucinations and hearing voices
    • Hamstring injury
    • Hand pain
    • Hand tendon repair
    • Hand, foot and mouth disease
    • Having an operation (surgery)
    • Hay fever
    • Head and neck cancer
    • Head injury and concussion
    • Head lice and nits
    • Headaches
    • Health anxiety
    • Hearing aids and implants
    • Hearing loss
    • Hearing tests
    • Hearing tests for children
    • Heart attack
    • Heart block
    • Heart failure
    • Heart palpitations
    • Heart transplant
    • Heart-lung transplant
    • Heartburn and acid reflux
    • Heat exhaustion and heatstroke
    • Heat rash (prickly heat)
    • Heavy periods
    • Heel pain
    • Help for suicidal thoughts
    • Henoch-Schönlein purpura (HSP)
    • Hepatitis
    • Hepatitis A
    • Hepatitis B
    • Hepatitis C
    • Herbal medicines
    • Herceptin (trastuzumab)
    • Hereditary haemorrhagic telangiectasia (HHT)
    • Hereditary neuropathy with pressure palsies (HNPP)
    • Hereditary spastic paraplegia
    • Hernia
    • Herpes simplex eye infections
    • Herpetic whitlow (whitlow finger)
    • Hiatus hernia
    • Hiccups
    • Hidradenitis suppurativa (HS)
    • High blood pressure (hypertension)
    • High blood sugar (hyperglycaemia)
    • High cholesterol
    • High temperature (fever) in adults
    • High temperature (fever) in children
    • Hip fracture
    • Hip pain in adults
    • Hip pain in children (irritable hip)
    • Hip replacement
    • Hirschsprung's disease
    • Hives
    • Hoarding disorder
    • Hodgkin lymphoma
    • Home oxygen therapy
    • Homeopathy
    • Homocystinuria
    • Hormone headaches
    • Hormone replacement therapy (HRT)
    • Human papillomavirus (HPV)
    • Huntington's disease
    • Hydrocephalus
    • Hydronephrosis
    • Hyperparathyroidism
    • Hypnotherapy
    • Hypoparathyroidism
    • Hypothermia
    • Hysterectomy
    • Hysteroscopy

    I

    • IVF
    • Ichthyosis
    • Idiopathic pulmonary fibrosis
    • Ileostomy
    • Impetigo
    • Indigestion
    • Infected piercings
    • Infertility
    • Inflammatory bowel disease
    • Ingrown hairs
    • Ingrown toenail
    • Inguinal hernia repair
    • Insect bites and stings
    • Insomnia
    • Intensive care
    • Intracranial hypertension
    • Intrauterine insemination (IUI)
    • Iron deficiency anaemia
    • Irregular periods
    • Irritable bowel syndrome (IBS)
    • Isovaleric acidaemia
    • Itchy bottom
    • Itchy skin

    J

    • Japanese encephalitis
    • Jaundice
    • Jellyfish and other sea creature stings
    • Jet lag
    • Joint hypermobility syndrome
    • Joint pain

    K

    • Kaposi's sarcoma
    • Kawasaki disease
    • Keloid scars
    • Keratosis pilaris
    • Kidney cancer
    • Kidney infection
    • Kidney stones
    • Kidney transplant
    • Klinefelter syndrome
    • Knee ligament surgery
    • Knee pain
    • Knee replacement
    • Knock knees
    • Knocked-out tooth
    • Kwashiorkor
    • Kyphosis

    L

    • Labial fusion
    • Labyrinthitis and vestibular neuritis
    • Lactate dehydrogenase (LDH) test
    • Lactose intolerance
    • Lambert-Eaton myasthenic syndrome
    • Laparoscopy (keyhole surgery)
    • Laryngeal (larynx) cancer
    • Laryngitis
    • Laser eye surgery and lens surgery
    • Laxatives
    • 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
    • Liver transplant
    • Local anaesthesia
    • Long QT syndrome
    • Long-sightedness
    • Lost or changed sense of smell
    • Low blood pressure (hypotension)
    • Low blood sugar (hypoglycaemia)
    • Low sex drive (loss of libido)
    • Low sperm count
    • Low white blood cell count
    • Lumbar decompression surgery
    • Lumbar puncture
    • Lumps
    • Lung cancer
    • Lung transplant
    • Lupus
    • Lyme disease
    • Lymphoedema

    M

    • MCADD
    • MRI scan
    • MRSA
    • Macular hole
    • Magnesium test
    • Malaria
    • Malignant brain tumour (brain cancer)
    • Mallet finger
    • Malnutrition
    • Maple syrup urine disease
    • Marfan syndrome
    • Mastectomy
    • Mastitis
    • Mastocytosis
    • Mastoiditis
    • Measles
    • Medical cannabis (and cannabis oils)
    • Medically unexplained symptoms
    • Medicines information
    • Memory loss (amnesia)
    • Meningitis
    • Menopause
    • Mesothelioma
    • Metabolic syndrome
    • Metallic taste
    • Middle East respiratory syndrome (MERS)
    • Migraine
    • Miscarriage
    • Mitral valve problems
    • Molar pregnancy
    • Moles
    • Molluscum contagiosum
    • Monkeypox
    • Morton's neuroma
    • Motion sickness
    • Motor neurone disease
    • Mouth cancer
    • Mouth ulcers
    • Mucositis
    • Multiple myeloma
    • Multiple sclerosis
    • Multiple system atrophy
    • Mumps
    • Munchausen's syndrome
    • Muscular dystrophy
    • Myalgic encephalomyelitis or chronic fatigue syndrome (ME/CFS)
    • Myasthenia gravis
    • Mycobacterium chimaera infection
    • Myelodysplastic syndrome (myelodysplasia)
    • Myositis (polymyositis and dermatomyositis)
    • Ménière's disease

    N

    • NHS screening
    • NSAIDs
    • Nail patella syndrome
    • Nail problems
    • Narcolepsy
    • Nasal and sinus cancer
    • Nasal polyps
    • Nasopharyngeal cancer
    • Neck pain
    • Necrotising fasciitis
    • Neonatal herpes (herpes in a baby)
    • Nephrotic syndrome in children
    • Neuroblastoma
    • Neuroendocrine tumours
    • Neuroendocrine tumours and carcinoid syndrome
    • Neurofibromatosis type 1
    • Neurofibromatosis type 2
    • Neuromyelitis optica
    • Newborn jaundice
    • Newborn respiratory distress syndrome
    • Night sweats
    • Night terrors and nightmares
    • Nipple discharge
    • Noise sensitivity (hyperacusis)
    • Non-Hodgkin lymphoma
    • Non-alcoholic fatty liver disease (NAFLD)
    • Non-allergic rhinitis
    • Non-gonococcal urethritis
    • Noonan syndrome
    • Norovirus (vomiting bug)
    • Nosebleed

    O

    • Obesity
    • Obsessive compulsive disorder (OCD)
    • Occupational therapy
    • 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)
    • Ovulation pain

    P

    • PET scan
    • PIP breast implants
    • PMS (premenstrual syndrome)
    • Pacemaker implantation
    • Paget's disease of bone
    • Paget's disease of the nipple
    • Pain in the back of the hand
    • Pain in the ball of the foot
    • Pain in the bottom of the foot
    • Pain in the palm of the hand
    • Pain in the top of the foot
    • Pancreas transplant
    • Pancreatic cancer
    • Panic disorder
    • Paralysis
    • Parkinson's disease
    • Patau's syndrome
    • Peak flow test
    • Pelvic inflammatory disease
    • Pelvic organ prolapse
    • Pelvic pain
    • Pemphigus vulgaris
    • Penile cancer
    • Perforated eardrum
    • Pericarditis
    • Period pain
    • Periods
    • Peripheral arterial disease (PAD)
    • Peripheral neuropathy
    • Peritonitis
    • Persistent trophoblastic disease and choriocarcinoma
    • Personality disorders
    • Phaeochromocytoma
    • Phenylketonuria
    • Phlebitis (superficial thrombophlebitis)
    • Phobias
    • Phosphate test
    • Photodynamic therapy (PDT)
    • Physiotherapy
    • Piles (haemorrhoids)
    • Pilonidal sinus
    • Pins and needles
    • Pityriasis rosea
    • Pityriasis versicolor
    • Plagiocephaly and brachycephaly (flat head syndrome)
    • Plantar fasciitis
    • Plastic surgery
    • Pleurisy
    • Pneumonia
    • Poisoning
    • Polio
    • Polycystic ovary syndrome
    • Polycythaemia
    • Polyhydramnios (too much amniotic fluid)
    • Polymorphic light eruption
    • Polymyalgia rheumatica
    • Pompholyx (dyshidrotic eczema)
    • Post-herpetic neuralgia
    • Post-mortem
    • Post-polio syndrome
    • Post-traumatic stress disorder (PTSD)
    • Postmenopausal bleeding
    • Postnatal depression
    • Postpartum psychosis
    • 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
    • Psychiatry
    • Psychosis
    • Psychotic depression
    • Pubic lice
    • Pudendal neuralgia
    • Pulmonary embolism
    • Pulmonary hypertension
    • Pyoderma gangrenosum

    Q

    • Q fever

    R

    • Rabies
    • Radiotherapy
    • Rashes in babies and children
    • Raynaud's
    • Reactive arthritis
    • Rectal examination
    • Red blood cell count
    • Red eye
    • Reflux in babies
    • Repetitive strain injury (RSI)
    • Respiratory tract infections (RTIs)
    • Restless legs syndrome
    • Restricted growth (dwarfism)
    • Retinal migraine
    • Retinoblastoma (eye cancer in children)
    • Rett syndrome
    • Reye's syndrome
    • Rhesus disease
    • Rheumatic fever
    • Rheumatoid arthritis
    • Rickets and osteomalacia
    • Ringworm
    • Root canal treatment
    • Rosacea
    • Roseola
    • Rubella (german measles)

    S

    • SARS (severe acute respiratory syndrome)
    • Salivary gland stones
    • Sarcoidosis
    • Scabies
    • Scarlet fever
    • Scars
    • Schistosomiasis (bilharzia)
    • Schizophrenia
    • Sciatica
    • Scleroderma
    • Scoliosis
    • Scurvy
    • Seasonal affective disorder (SAD)
    • Selective mutism
    • Selective serotonin reuptake inhibitors (SSRIs)
    • Self-harm
    • Sepsis
    • Septic arthritis
    • Severe head injury
    • Sexually transmitted infections (STIs)
    • Shin splints
    • Shingles
    • Short-sightedness (myopia)
    • Shortness of breath
    • Shoulder impingement
    • Shoulder pain
    • Sick building syndrome
    • Sickle cell disease
    • Silicosis
    • Sinusitis (sinus infection)
    • Sjögren's syndrome
    • Skin cancer (melanoma)
    • Skin cancer (non-melanoma)
    • Skin cyst
    • Skin picking disorder
    • Skin tags
    • Slapped cheek syndrome
    • Sleep apnoea
    • Sleep paralysis
    • Sleepwalking
    • Slipped disc
    • Small bowel transplant
    • Smelly feet
    • Smelly urine
    • Snake bites
    • Snoring
    • Social anxiety (social phobia)
    • Soft tissue sarcomas
    • Soiling (child pooing their pants)
    • Sore or dry lips
    • Sore or white tongue
    • Sore throat
    • Spina bifida
    • Spinal muscular atrophy
    • Spirometry
    • Spleen problems and spleen removal
    • Spondylolisthesis
    • Sports injuries
    • Sprains and strains
    • Squint
    • Stammering
    • Staph infection
    • Statins
    • Stem cell and bone marrow transplants
    • Steroid inhalers
    • Steroid injections
    • Steroid nasal sprays
    • Steroid tablets
    • Steroids
    • Stevens-Johnson syndrome
    • Stillbirth
    • Stomach ache
    • Stomach cancer
    • Stomach ulcer
    • Stop smoking treatments
    • Stopped or missed periods
    • Stretch marks
    • Stroke
    • Stye
    • Subarachnoid haemorrhage
    • Subdural haematoma
    • Sudden confusion (delirium)
    • Sudden infant death syndrome (SIDS)
    • Sunburn
    • Supraventricular tachycardia (SVT)
    • Swine flu (H1N1)
    • Swollen ankles, feet and legs (oedema)
    • Swollen arms and hands (oedema)
    • Swollen glands
    • Syphilis

    T

    • TENS (transcutaneous electrical nerve stimulation)
    • Tailbone (coccyx) pain
    • Tay-Sachs disease
    • Teeth grinding (bruxism)
    • Teeth whitening
    • Temporal arteritis
    • Temporomandibular disorder (TMD)
    • Tendonitis
    • Tennis elbow
    • Tension headaches
    • Testicle lumps and swellings
    • Testicle pain
    • Testicular cancer
    • Tetanus
    • Thalassaemia
    • The 'male menopause'
    • Threadworms
    • Thrombophilia
    • Thrush in men and women
    • Thumb pain
    • Thyroid cancer
    • Thyroiditis
    • Tick-borne encephalitis (TBE)
    • Tics
    • Tight foreskin (phimosis)
    • Tinnitus
    • Toe pain
    • Tongue-tie
    • Tonsillitis
    • Tooth decay
    • Toothache
    • Topical corticosteroids
    • Total iron-binding capacity (TIBC) and transferrin test
    • Total protein test
    • Tourette's syndrome
    • Toxic shock syndrome
    • Toxocariasis
    • Toxoplasmosis
    • Tracheostomy
    • Transient ischaemic attack (TIA)
    • Transurethral resection of the prostate (TURP)
    • Travel vaccinations
    • Tremor or shaking hands
    • Trichomoniasis
    • Trichotillomania (hair pulling disorder)
    • 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

    U

    • Ulcerative colitis
    • Ultrasound scan
    • Umbilical hernia repair
    • Underactive thyroid (hypothyroidism)
    • Undescended testicles
    • Unintentional weight loss
    • Urinary catheter
    • Urinary incontinence
    • Urinary tract infections (UTIs)
    • Urine albumin to creatinine ratio (ACR)
    • Uveitis

    V

    • Vaginal cancer
    • Vaginal discharge
    • Vaginal dryness
    • Vaginismus
    • Vaginitis
    • Varicose eczema
    • Varicose veins
    • Vascular dementia
    • Vasculitis
    • Venous leg ulcer
    • Vertigo
    • Vitamin B12 or folate deficiency anaemia
    • Vitamins and minerals
    • Vitiligo
    • Vomiting blood
    • Von Willebrand disease
    • Vulval cancer
    • Vulvodynia (vulval pain)

    W

    • Warts and verrucas
    • Watering eyes
    • Weight loss surgery
    • West Nile virus
    • 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
    • Wrist pain

    X

    • X-ray

    Y

    • Yellow fever

    Z

    • Zika virus