Health Conditions

Gallbladder cancer

Gallbladder cancer is very rare. Around 800 people in the UKare diagnosed with the condition each year.

Gallbladder inflammation

Gallbladder inflammation , referred to as acute cholecystitis is usually occurs when a gallstone blocks the cystic duct. Gallstones are small stones, usually made of cholesterol, t…

Gallstones

Gallstones are small stones, usually made of cholesterol, that form in the gallbladder. In most cases they don't cause any symptoms and don't need to be treated.

Ganglion

A ganglion cyst is a fluid-filled swelling that usually develops near a joint or tendon. The cyst can range fromthe size of a pea to the size of a golf ball.

Ganglion

Gangrene

Gangrene is a serious condition where a loss of blood supply causes body tissue to die. It can affect any part of the body but typically starts in the toes, feet, fingers and hands…

Gastric Bypass Surgery

Gastric bypass surgery is a type of weight loss surgery. There are risks with gastric bypass, so the decision should be made carefully and with the approval of your doctor. However…

Gastritis

Gastritisoccurs when thelining of the stomach becomes inflamed after it's been damaged. It's a common condition with a wide range of causes.

Gastro-oesophageal reflux

Gastroenteritis

Gastroenteritis, gastric flu, is a very common condition that causes diarrhoea and vomiting. It's usually caused by a bacterial or viral tummy bug.

Gastroparesis

Gastroparesis is a long-term(chronic) condition where the stomach can't empty itself in the normal way.Food passes through the stomach more slowly than usual.

Gastroscopy

A gastroscopy is a procedure where a thin, flexible tube called an end oscope is used to look inside the oesophagus (gullet), stomach and first part of the small intestine (duodenu…

General anaesthetic

General anaesthesia is a state of controlled unconsciousness. During a general anaesthetic, medications are used to send you to sleep, so you're unaware of surgery and don't move o…

Generalised anxiety disorder

Anxiety is a feeling of unease, such as worry or fear, that can be mild or severe.

Genetics

Genetics is the branch of science that deals with how you inherit physical and behavioural characteristics, including medical conditions.

Gestational diabetes

Gestational diabetes is high blood sugar that develops during pregnancy and usually disappears after giving birth. It can occur at any stage of pregnancy, but is more common in the…

Giardiasis

Giardiasis is an infection of the digestive system caused by tiny parasites called Giardia intestinalis (also known as Giardia lamblia, or Giardia duodenalis).

Gilbert's syndrome

In Gilberts syndrome, slightly higher than normallevels of a substance called bilirubin build up in the blood.

Gingivitis and periodontitis

Gum diseaseis a very common condition where the gums become swollen,sore or infected .

Glaucoma

Glaucoma is an eye condition where theoptic nerve, which connects your eye to your brain,becomes damaged. It can lead to loss of vision if not detected and treated early on.

Glomerulonephritis

Glomerulonephritis is damage to the tiny filters inside your kidneys (the glomeruli). It's often caused by your immune system attacking healthy body tissue.

Glutaric aciduria type 1 (GA1)

Glutaric aciduria type 1 (GA1) is a rare but serious inherited condition. It means the body cant process certain amino acids ("building blocks" of protein), causing a harmful build…

Gluten intolerance

Coeliac disease is a common digestive condition where the small intestine becomes inflamed and unable to absorb nutrients.

Goitre

A goitre (sometimes spelt " goiter " ) is a swelling of the thyroid gland that causes a lump to form in the front of theneck. The lump will move up and down when you swallow.