Glossary

Irritable bowel syndrome can cause symptoms such as bloating, diarrhoea, constipation and stomach cramps which can last for days, weeks or months at a time.

A rare chromosomal disorder which can trigger seizures, hypotonia (a state of low muscle tone) and developmental delay.

Idiopathic ketotic hypoglycaemia is the most common cause of hypoglycaemia [a condition in which your blood sugar level is lower than normal] in non-diabetic children aged between 0.5 and 6 years which usually develops after a period of poor intake.

Symptoms include sluggishness, fatigue, irritability, shakiness, becoming unconscious or seizures.

A lung disorder which is caused by high blood pressure in the pulmonary arteries.

Symptoms of IPAH can include tiredness, chest pain, shortness of breath, dizziness, fatigue, fainting and heart palpitations.

A psychological condition which makes someone question their abilities and believing they are a fraud.

It’s thought around 70% of people experience imposter syndrome at some point in their lives.

A condition which makes it difficult for a person to control their emotions or behaviours.

A progressive muscle disorder which causes muscle inflammation and weakness which usually develops in adulthood around the age of 50.

The condition was recognised in the 1960s and is more common in men compared to women.

A rare condition that can affect many body systems, especially the skin which evolves throughout childhood and young adulthood.

Incontinentia pigmenti is more common in females than males.

Inflammatory arthritis includes a group of arthritis accompanied by joint pain, swelling, warmth, and tenderness in the joints, and morning stiffness that lasts for an hour.

Inflammatory Bowel Disease (IBD) affects 1 in 250 people in the UK.

Symptoms include tiredness, swelling of the stomach, weight loss and diarrhoea although the condition can be cured.

The inability to sleep properly. People with insomnia may wake up regularly throughout the night, lie awake all night, have difficulty going back to sleep after waking up, find it hard to take naps and struggle concentrating in the day as a result of a lack of sleep.

When someone who has intoeing walks or runs their feet turn inwards instead of pointing forward. The condition, which affects children, is usually picked up by parents or guardians when a child starts walking although they can develop symptoms at a later date. Another name for intoeing is “pigeon-toed”.

Intervertebral disc disease (IVDD) is a degenerative condition which affects dogs which effects the spinal cord. The condition can develop extremely quickly, sometimes overnight, and ranges from mild to very serious.

The condition is caused when the discs between the vertebrae of the spinal column start to harden.

IX glycogen storage disease, also known as GSD IX, is a condition caused by the inability to break down the complex sugar, glycogen which can disable the normal functions of the affected tissue.

The rare condition can lead to an enlarged liver, slow growth, motor development delay, low blood sugar levels and a lack of muscle tone.