A to Z

A to Z list of common illnesses and conditions including their symptoms, causes and treatments


Abdominal aortic aneurysm

Learn about abdominal aortic aneurysm symptoms and treatments


Learn about acne symptoms and treatments

Acute cholecystitis

Learn about acute cholecystitis symptoms and treatments

Acute lymphoblastic leukaemia

Learn about acute lymphoblastic leukaemia, a cancer of the white blood cells

Acute lymphoblastic leukaemia: Children

Around three out of four childhood leukaemia cases are acute lymphoblastic

Acute lymphoblastic leukaemia: Teenagers and young adults

Learn more about acute lymphoblastic leukaemia in young people

Acute myeloid leukaemia

Learn about acute myeloid leukaemia, a cancer of the white blood cells

Acute myeloid leukaemia: Children

Learn more about acute myeloid leukaemia, an overproduction of myeloid white blood cells

Acute myeloid leukaemia: Teenagers and young adults

Information about acute myeloid leukaemia, a type of blood cancer that can affect young people

Acute pancreatitis

Learn about acute pancreatitis symptoms and treatments

Addison's disease

Learn about Addison's disease symptoms and treatments

Alcohol-related liver disease

Learn about alcohol-related liver disease symptoms and treatments

Allergic rhinitis

Learn about allergic rhinitis symptoms and treatment


Learn more about allergies and their symptoms and treatments

Alzheimer's disease

Learn about Alzheimer's disease symptoms and treatments

Anal cancer

Learn about anal cancer, a cancer that affects the end of the large bowel


Learn about anaphylaxis symptoms and treatments


Learn about angioedema symptoms and treatments

Ankylosing spondylitis

Learn about ankylosing spondylitis

Anorexia nervosa

Learn about anorexia nervosa symptoms and treatments


Learn about the symptoms and treatments of generalised anxiety disorder (GAD)

Anxiety disorders in children

Learn about anxiety disorders in children


Learn about appendicitis symptoms and treatments


Learn about arthritis symptoms and treatments


Learn about asbestosis symptoms and treatments


Learn about asthma symptoms and treatments

Atopic eczema

Learn about atopic eczema symptoms and treatments

Attention deficit hyperactivity disorder (ADHD)

Learn about attention deficit hyperactivity disorder symptoms and treatments

Autistic spectrum disorder (ASD)

Learn about autism spectrum disorder symptoms and treatments


Bacterial vaginosis

Learn about bacterial vaginosis symptoms and treatments

Benign prostate enlargement

Learn about benign prostate enlargement symptoms and treatments

Bile duct cancer (cholangiocarcinoma)

Learn about cholangiocarcinoma, a rare cancer that can develop in the bile duct

Binge eating

Learn about binge eating causes and effects

Bipolar disorder

Learn about bipolar disorder symptoms and treatments

Bladder cancer

Learn about bladder cancer which can develop in the lining of the bladder

Blood poisoning (sepsis)

Learn about sepsis symptoms and treatments

Bone cancer

Learn about the symptoms and treatments of primary cancer of the bones

Bone cancer: Teenagers and young adults

Symptoms and treatment information on different types of bone cancer

Bowel cancer

Learn more about bowel cancer, one of the most common types of cancer in the UK

Bowel incontinence

Learn about bowel incontinence causes and treatments

Bowel polyps

Learn about bowel polyps causes and treatments

Brain stem death

Learn about brain stem death and how it's diagnosed

Brain tumours

Learn about both cancerous and non-cancerous brain tumours

Brain tumours: Children

Read more about brain tumours in children, including signs and symptoms

Brain tumours: Teenagers and young adults

Information on brain tumours in teenagers and young adults

Breast cancer (female)

Learn more about the symptoms and treatments of breast cancer, the most common type of cancer in the UK

Breast cancer (male)

Breast cancer is often thought only to affect women, but men can also develop it


Learn about bronchiectasis symptoms and treatments


Learn about bronchitis symptoms and treatments


Learn about bulimia symptoms and treatments


Learn about bunion symptoms and treatments


Carcinoid syndrome and carcinoid tumours

Learn about carcinoid tumours, and their symptoms known as carcinoid syndrome


Learn about catarrh symptoms and treatment


Learn about cellulitis symptoms and treatments

Cervical cancer

Cervical cancer develops in a woman's cervix, learn about its symptoms and how it can be prevented

Chest infection

Learn about chest infection symptoms and treatments

Chest pain

What to do if you have chest pain and when to seek help


Learn about chickenpox symptoms and treatments


Learn more about chilblains symptoms and treatment

Chronic fatigue syndrome

Learn about chronic fatigue syndrome symptoms and treatments

Chronic kidney disease

Learn about chronic kidney disease symptoms and treatments

Chronic lymphocytic leukaemia

Learn about chronic lymphocytic leukaemia, a cancer of the white blood cells

Chronic myeloid leukaemia

Learn about chronic myeloid leukaemia, a cancer of the white blood cells

Chronic obstructive pulmonary disease

Learn more about chronic obstructive pulmonary disease (COPD)

Chronic pancreatitis

Learn about chronic pancreatitis symptoms and treatments


Learn about cirrhosis symptoms and treatment

Clostridium difficile

Learn about clostridium difficile symptoms and treatment

Coeliac disease

Learn about coeliac disease symptoms and treatments

Cold sore

Learn about cold sore symptoms and treatments


Learn what a coma is and the recovery process

Common cold

Learn about common cold symptoms and treatments

Common heart conditions

Some of the conditions and problems that can affect your heart, including angina and heart failure

Congenital heart disease

These are conditions which develop in the womb, find out more about the causes and treatments


Learn about conjunctivitis symptoms and treatments


Learn about constipation symptoms and treatments

Coronavirus (COVID-19)

Latest guidance about COVID-19 from NHS Scotland and the Scottish Government


Learn about cough causes and treatments

Crohn's disease

Learn about Crohn's disease symptoms and treatments


Croup is a childhood condition of the windpipe, airways and voice box

Cystic fibrosis

Learn about cystic fibrosis symptoms and treatments


Learn about cystitis symptoms and treatments






Haemorrhoids (piles)

Learn about haemorrhoids symptoms and treatments

Hairy cell leukaemia

Learn about hairy cell leukaemia, a rare type of chronic leukaemia

Hand, foot and mouth disease

Learn about hand, foot and mouth disease

Hay fever

Learn about hay fever symptoms and treatments

Head and neck cancer

Learn about the symptoms and treatments of cancers that can develop in the head and neck

Head lice and nits

Learn about head lice detection and treatment


Learn about the causes and treatment and causes of headaches.

Hearing loss

Learn about hearing loss symptoms and treatments

Heart failure

Learn about heart failure symptoms and treatments

Hepatitis A

Learn more about hepatitis A symptoms and treatments

Hepatitis B

Learn more about hepatitis B symptoms and treatments

Hepatitis C

Learn about hepatitis C symptoms and treatments

Hiatus hernia

Learn about hiatus hernia symptoms and treatments

High cholesterol

Learn about cholesterol, its effects and treating high cholesterol


Learn about HIV symptoms and treatments

Hodgkin lymphoma

Learn about Hodgkin lymphoma, an uncommon cancer that develops in the lymphatic system

Hodgkin lymphoma: Children

Learn more about Hodgkin lymphoma, a type of blood cancer

Hodgkin lymphoma: Teenagers and young adults

Information on Hodgkin lymphoma, a cancer of the lymphatic system, one of the body’s defenses against infection

Huntington's disease

Learn about Huntington's disease symptoms and treatments

Hyperglycaemia (high blood sugar)

Learn about hyperglycaemia (high blood sugar)


Learn about hyperhidrosis symptoms and treatments

Hypoglycaemia (low blood sugar)

Learn about hypoglycaemia symptoms and treatment








Paget's disease of the nipple

Learn about Paget's disease of the nipple, a rare type of breast cancer

Pancreatic cancer

Learn about cancer of the pancreas, a large gland that's part of the digestive system

Panic disorder

Learn about panic disorder symptoms and treatments

Parkinson's disease

Learn about Parkinson's disease symptoms and treatments

Pelvic organ prolapse

Learn about pelvic organ prolapse symptoms and treatments

Penile cancer

Learn about penile cancer, a rare type of cancer that occurs on the skin or tissue of the penis.

Peripheral neuropathy

Learn about peripheral neuropathy symptoms and treatments

Personality disorder

Learn about personality disorder symptoms and treatments


Learn about pleurisy symptoms and treatments


Learn about pneumonia symptoms and treatments

Polymyalgia rheumatica

Learn about polymyalgia rheumatica (PMR) symptoms and treatments

Post-traumatic stress disorder (PTSD)

Learn about post-traumatic stress disorder symptoms and treatments

Postnatal depression

Learn about postnatal depression symptoms and treatment

Pregnancy and baby

Everything you want to know about getting pregnant, being pregnant or caring for your new baby

Pressure ulcers

Learn about pressure ulcers (bedsores)

Prostate cancer

Learn about prostate cancer, the most common cancer in men in the UK


Learn about psoriasis symptoms and treatments

Psoriatic arthritis

Learn more about psoriatic arthritis


Learn about psychosis symptoms and treatments




Learn about scabies symptoms and treatment

Scarlet fever

Learn about scarlet fever symptoms and treatments


Learn about schizophrenia symptoms and treatments


Learn about scoliosis symptoms and treatments

Septic shock

Learn about septic shock symptoms and treatment

Sexually transmitted infections (STIs)

Learn about sexually transmitted infections (STIs)


Learn about shingles symptoms and treatments

Shortness of breath

Learn about the causes of shortness of breath and when to see a doctor

Sickle cell disease

Learn about the different types and symptoms of sickle cell disease


Learn about sinusitis symptoms and treatments

Sjogren's syndrome

Learn about Sjögren's syndrome symptoms and treatments

Skin cancer (melanoma)

Learn about melanoma, a type of skin cancer that can spread to other organs in the body

Skin cancer (non-melanoma)

Learn about non-melanoma skin cancer which can develop in the upper layers of skin

Slapped cheek syndrome

Learn about slapped cheek syndrome symptoms and treatments

Soft tissue sarcomas

Soft tissue sarcomas can develop in tissue that surrounds other organs and body structures

Soft tissue sarcomas: Teenagers and young adults

Information including the symptoms and treatments of the different types of soft tissue sarcoma

Sore throat

Learn about sore throat causes and treatments

Spleen problems and spleen removal

Problems with the spleen and living well without a spleen


Learn about stillbirth causes and the support available

Stomach ache and abdominal pain

Learn about stomach ache and abdominal pain

Stomach cancer

Learn about the symptoms, treatments and different types of stomach cancer

Stomach ulcer

Learn about stomach ulcer symptoms and treatments

Stress, anxiety and low mood

Advice dealing with low mood, anxiety, phobias, stress and where you can get help


Learn more about stroke signs, symptoms and treatment

Sudden infant death syndrome (SIDS)

Learn about sudden infant death syndrome (SIDS)


Learn about why people might attempt suicide and where to find help


Learn about sunburn and its treatment

Swollen glands

Swollen glands are usually caused by a minor infection, although sometimes can be more serious