Health Conditions

Stein-Leventhal syndrome

Polycystic ovary syndrome (PCOS) is a common condition that affects how a womans ovaries work.

Stem cell transplant

A stem cell or bone marrow transplant replaces damaged blood cells with healthy ones. It can be used to treat conditions affecting the blood cells, such as leukaemia and lymphoma.

Steroid medication

Corticosteroids, oftenknown as steroids, are an anti-inflammatory medicine prescribed for a wide range of conditions.

Steroid misuse

Anabolic steroids are prescription-only medicines that are sometimes taken without medical advice to increase muscle mass and improve athletic performance.

Stevens-Johnson syndrome

Stevens-Johnson syndrome is a rare but serious disorder that affects the skin, mucous membrane, genitals and eyes.

Stillbirth

A stillbirth is a baby born dead after 24 completed weeks of pregnancy. Around a half of all stillbirths are linked to placental complications.

Stings, sea creatures

Asea creature sting can usually be treated with first aid. But if serious symptoms develop, such as severe pain, swelling or difficulty breathing, dial 999 for an ambulance .

Stoma

An ileostomy is where the small bowel (small intestine) is diverted through an opening in the tummy (abdomen).

Stomach ache

Read about a stomach ache and abdominal pains, including stomach cramps or a dull ache in the tummy (abdomen).

Stomach cancer

Stomach cancer, or gastric cancer,is a fairly uncommon type of cancer. Around 7,000 people are diagnosed with it each year in the UK.

Stomach removal surgery

A gastrectomy is a medical procedurewhere all or part of the stomach is surgically removed.

Stomach ulcers

Stomach ulcers, also known as gastric ulcers, are open sores that develop on the lining of the stomach. Ulcers can also occur in part of the intestine just beyond the stomach these…

Stopped or missed periods

Most women have a period every 28 days or so, but it's common to have a slightly shorter or longer cycle than this (from 24 to 35 days).

Strabismus

A squint, also called strabismus,is where the eyes point in different directions. It's particularly common in young children, but can occur at any age.

Strawberry mark

Birthmarks are coloured marks that are visible on the skin. They're often present at birth or develop soon afterwards.

Streptococcal infections

Streptococcal infections are any type of infection caused by the streptococcus ("strep") group of bacteria.

Stria

Stretch marks are narrow streaks orlines that occur on the surface of the skin.

Stroke

A stroke is a serious, life-threatening medical condition that occurs when the blood supply to part of the brain is cut off. Strokes are a medical emergency and urgent treatment is…

Stuttering

Stammering also sometimes referred to as stuttering is a relatively common speech problem in childhood,which can persist into adulthood.

Stye

A stye is a small, painful lump (cyst) on the inside or outside of the eyelid.

Subarachnoid haemorrhage

A subarachnoid haemorrhage is an uncommon type of stroke caused by bleeding on the surface of the brain. It's a very serious condition and can be fatal.

Subdural haematoma

A subdural haematoma is a serious condition where blood collects between the skull and the surface of the brain. It's usually caused by a head injury.

Sudden infant death syndrome (SIDS)

Sudden infant death syndrome (SIDS) sometimes known as 'cot death' is the sudden, unexpected and unexplained death of an apparently healthy baby.

Suicide

Suicide is the act of intentionally ending your life.