Conditions

Achalasia

Our expert team can diagnose and treat achalasia in adults and children to help improve your digestive health and minimise symptoms.

Acne

Acne is a common problem for children and adults. Learn how we treat acne and acne scarring.

Angina

Angina is a chest pain that comes on during exertion or stress. Learn more about symptoms and the treatments offered by our specialists.

Aortic aneurysm

Aortic aneurysm occurs when a part of the aorta becomes weak and enlarged. Learn more about symptoms and the treatments offered by our specialists.

Aortic dissection

Aortic dissection is when the aorta tears causing blood to rush through.

Aortic regurgitation

Aortic regurgitation is when the valve blood leaks back into the heart through the valve.

Aortic stenosis

Aortic stenosis is a disease that affects the main outlet valve of the heart and is the third most common cardiovascular disease.

Aortic valve disease

Aortic valve disease occurs when the valve doesn’t function properly, placing extra strain on the heart. Learn more about symptoms and the treatments offered by our specialists.

Arrhythmia (abnormal heart rhythm)

Arrhythmia is an abnormal heart rhythm, where the heart’s normal rhythm is disrupted.

Asthma

Asthma is a common condition in which the airways of the lungs become irritated and inflamed, making it difficult to breathe.

Atrial fibrillation

Atrial fibrillation is a heart rhythm disorder where your heart beats either too fast or too slow. Learn more about symptoms and the treatments offered by our specialists.

Balanitis in children

Balanitis is a common urological condition in children that causes inflammation of the foreskin.

Birthmarks

Birthmarks are patches or discolorations of the skin that are present at birth. Discover the various birthmark treatments we offer for adults and children.

Bronchiectasis

Bronchiectasis is a lung disorder characterised by abnormally widened airways that leave the lungs vulnerable to a build-up of mucus and infection.

Cardiac sarcoidosis

Cardiac sarcoidosis is a rare heart condition caused by an overreacting immune system. It can affect heart rhythm, blood flow and heart function. Learn more.

Cataracts

Cataracts are a common eye condition that typically affects older people. Learn how we can effectively treat cataracts.

Chronic cough

A chronic cough is a cough that lasts longer than 8 weeks in adults or 4 weeks in children. Find out what causes it and learn about the available treatments.

Chronic lung infection

Chronic lung infections may be persistent, but they can be treated. Discover how we can accurately diagnose and treat chronic lung infections.

Chronic obstructive pulmonary disease (COPD)

Chronic obstructive pulmonary disease is a group of conditions that affect your breathing and quality of life. Learn how to effectively manage your symptoms.

Congenital heart disease

Congenital heart disease is a collective term for a range of birth defects that affect the heart. Learn more about how it is diagnosed and treated.

Congenital lung malformation

Congenital lung malformation: Symptoms, causes and treatments

Coronary heart disease

Coronary heart disease is caused by the narrowing of the coronary arteries that supply the heart muscle with oxygen-rich blood.

Hypertrophic cardiomyopathy

Hypertrophic cardiomyopathy is the most common form of genetic heart disease. Learn more about symptoms and the treatments offered by our specialists.

Poor circulation

Poor circulation is a reduction of blood flow around the body, when the circulatory system is unable to pump blood around the body effectively.

Diabetic retinopathy

Diabetic retinopathy affects your vision and can lead to permanent loss if untreated. Learn how our team can diagnose and treat diabetic retinopathy.

Diverticulitis

Diverticulitis is a condition that affects the large intestine, causing symptoms like abdominal pain and fever. Learn more about the condition.

Ear deformities

Ear deformities can be present at birth or be acquired later in life. Our plastic surgery specialists can help correct them in adults and children. Learn more.

Ear skin tags in children

Ear skin tags are an extra skin growth typically in front of the ear. Learn how we diagnose and treat ear skin tags (accessory auricles) in children.

Endometriosis

Endometriosis is a condition that can affect women of any age, where tissue that should occur in the lining of the womb is found outside of this in other places.

Female infertility

Our fertility experts can help diagnose the cause of female infertility.

Fibroids

Fibroids are a common condition where growths develop in or around the uterus. Learn more about the treatments offered by our specialists.

Food allergy

A food allergy is when your immune system reacts to certain foods. Learn about food allergies like nuts, milk and eggs along with treatment options.

Fungal lung diseases

Some fungi can affect the lungs and if left untreated can cause serious lung diseases, including severe cases of asthma. Learn more.

Gestational diabetes

It’s common to develop diabetes during pregnancy, this is known as gestational diabetes and is usually only temporary.

Glaucoma

Glaucoma is a common eye condition that can lead to vision loss if untreated. Learn more about glaucoma with Guy’s and St Thomas’ Specialist Care.

Glue ear in children

Glue ear in children can develop after an ear infection. Learn more about the causes and treatments available.

Growth problems (delayed growth) in children

Growth problems can result in some children experiencing delayed growth. Learn more about symptoms and the treatments offered by our specialists.

Heart attack (myocardial infarction)

Myocardial infarction, or a heart attack, is a serious condition where the blood supply to the heart stops. Learn how we can support your cardiovascular health.

Heart failure

Heart failure occurs when the heart stops being able to pump blood around the body in an efficient way.

Heart murmurs

Heart murmurs are common and often harmless in babies, children and adults. However, they should be evaluated by a cardiologist to make sure they are not abnormal.

Heart palpitations

Heart palpitations are heightened awareness of the heartbeat. They are usually harmless but can sometimes indicate a heart issue like heart arrhythmia.

Hernia

Hernias are common in both children and adults. Discover the different types of hernia and how our specialists can treat them.

Hiatal hernia (diaphragmatic hernia) in adults and children

A hiatal hernia or diaphragmatic hernia occurs when the upper part of the stomach pushes up into the chest through the diaphragm. Learn more here. 

Hirschsprung disease in children

Hirschsprung disease in children is a condition that makes it difficult to empty the bowels. Learn what causes Hirschsprung disease and how it’s treated.

Hydrocele in children

Hydroceles are common in newborn boys, but can also occur in older children. Learn about treatment for hydrocele.

Hydronephrosis in children

Hydronephrosis is a condition affecting your child’s kidneys. Learn more about symptoms and the treatments offered by our specialists.

Hyperemesis gravidarum

Hyperemesis gravidarum is severe vomiting in pregnancy. Learn more about this challenging condition, its causes and how to manage it effectively.

Hypertension (high blood pressure)

Hypertension (high blood pressure) occurs when your blood pressure readings are consistently high - 140/90 or higher.

Hypertrophic cardiomyopathy

Hypertrophic cardiomyopathy is the most common form of genetic heart disease. Learn more about symptoms and the treatments offered by our specialists.

Hypospadias in children

Hypospadias is a congenital condition that affects the urethra development in children.

Inflammatory bowel disease (IBD)

IBD causes symptoms that our dedicated specialists can help manage in adults and children.

Inguinal hernia

Inguinal hernias develop in the groin and can affect adults and children. Learn the symptoms and treatment options for inguinal hernias.

Inherited cardiac conditions

Inherited cardiac conditions are a group of genetic disorders that affect the heart and major vessels.

Insomnia

Getting enough sleep can be difficult and sometimes lead to insomnia. Learn more about the causes and treatment of insomnia.

Interstitial lung disease (ILD)

Interstitial lung disease, or ILD, describes a group of conditions that cause irreversible scarring of the lungs and make it harder to breathe. Learn more.

Left ventricular outflow tract obstruction (LVOTO)

Left ventricular outflow tract obstruction (LVOTO) is a recognised feature of hypertrophic cardiomyopathy.

Lung cancer

Lung cancer is a condition caused when the cells that make up the tissue of the lungs become abnormal and grow into a tumour.

Age-related macular degeneration

Age-related macular degeneration is a common eye condition that affects people as they age. Learn how our team can help manage your condition. 

Macular hole

A macular hole can cause blurred vision and blind spots. Learn how we can treat macular holes.

Male infertility

Our fertility experts can help diagnose the cause of male infertility.

Menopause

Menopause is a natural part of ageing for women when a change in oestrogen hormones occurs.

Milk allergies in babies

Find out how to tell if your baby has a milk allergy. Understand why some babies are allergic to milk, and what tests and treatments are available.

Mitral regurgitation

Mitral regurgitation is the most common heart valve problem worldwide. It is a dysfunction of the heart’s mitral valve.

Myocarditis

Myocarditis is the inflammation of the heart muscle, which reduces its ability to pump blood. Learn how it's diagnosed and treated.

High-risk pregnancy

Your pregnancy may be classed as high-risk due to age, existing conditions and complications in pregnancy.

Parasomnia

Parasomnias are a collection of sleep disorders that our sleep specialists can help manage through personalised care.

Peanut allergy in children

Peanut allergy is one of the most common food allergies with potentially life-threatening symptoms. Learn more about its symptoms, causes, diagnosis and treatment.

Pelvic organ prolapse

Pelvic organ prolapse is a common condition that affects many women.

Period problems

Menstrual pain, cramps and heavy periods are common period problems.

Phimosis in children

Phimosis in children is when the foreskin can’t be pulled back from the head of the penis. Find out what causes phimosis and discover the available treatments.

Pilonidal sinus

A pilonidal sinus is a small hole in your skin that repeatedly gets infected. Discover the symptoms, causes and treatment.

Polycystic ovary syndrome (PCOS)

Polycystic ovary syndrome affects your ovaries. Learn more about symptoms and the treatments offered by our specialists.

Polydactyly (extra digits) in children

Polydactyly or extra digits in children is when a child is born with one or more extra fingers. Learn more about polydactyly in children.

Poor circulation

Poor circulation is a reduction of blood flow around the body, when the circulatory system is unable to pump blood around the body effectively.

Port wine stain

Port wine stains are a birthmark that we can treat in adults and children. Learn more.

Pre-eclampsia

Pre-eclampsia is a condition that can occur in pregnancy. Find out more.

Primary ciliary dyskinesia (PCD)

Primary ciliary dyskinesia (PCD) is a rare disorder in which the airways of the lungs become infected due to abnormalities of the cilia.

Respiratory failure

Respiratory failure is characterised by abnormal levels of oxygen and carbon dioxide in the blood due to inadequate gas exchange in the lungs.

Restless legs syndrome

Restless legs syndrome is a relatively common condition that causes an overwhelming urge to move your legs. Learn more about the causes and symptoms.

Retinal detachment

Retinal detachment is a serious eye condition that requires urgent treatment. Learn more about the symptoms and when to seek treatment from eye specialists.

Sarcoidosis

Sarcoidosis is a rare inflammatory condition that develops when your immune system overreacts, causing areas of excessive inflammation to develop.

Sexual health

Access expert advice, private STI tests and STD tests from our leading gynaecologists

Shortness of breath (Dyspnoea)

Dyspnoea (shortness of breath) has many causes. Our respiratory specialists provide advanced diagnostics and the most effective treatment options. Learn more.

Sleep apnoea

Sleep apnoea is a disorder that makes you stop breathing while asleep. Discover more about the symptoms of sleep apnoea and when to seek treatment.

Sleep disorders

Sleep disorders can be challenging to manage and affect your daily life. Learn the symptoms, causes and treatments of various sleep disorders.

Snoring

Snoring is common but it can affect your sleeping and waking life. Learn how we can diagnose and treat snoring, giving you a peaceful night.

Spontaneous coronary artery dissection (SCAD)

Spontaneous coronary artery dissection (SCAD) occurs when there is a tear or a bleed in the coronary artery wall, which disrupts the blood supply to the heart.

Tennis elbow

The wrist extensors are responsible for extending the wrist and are attached to the lateral epicondyle by a tendon, which can become inflamed when overworked.

Tongue-tie in children

Tongue-tie is commonly diagnosed in babies and can restrict tongue movement. Learn more about the symptoms and how we treat it.

Tricuspid regurgitation

Tricuspid regurgitation is when the tricuspid valve of the heart doesn't close properly.

Umbilical hernia

Umbilical hernias are extremely common and can occur in adults and children. Learn more about the symptoms and how it can be treated.

Undescended testicles in children

Undescended testicles (cryptorchidism) is a congenital condition affecting children.

Urinary incontinence in adults

Urinary incontinence is a common condition that affects women, it can be distressing and have an impact on your quality of life.

Urinary incontinence in children

Children suffering from urinary incontinence lack bladder control which results in uncontrolled leaking of urine.

Urinary tract infection (UTIs) in children

A common type of infection in children that affects any part of your urinary tract.

Valvular heart disease

Heart valve disease occurs when the valves of the heart become diseased or damaged.

Varicocele in children

Varicoceles are swollen veins in the scrotum. Learn more about the paediatric treatments we offer.