Health Conditions

Claustrophobia

Claustrophobia is the irrational fear of confined spaces.

Cleft lip and palate

A cleft is agap or split in the upper lip and/or roof of the mouth (palate). It is present from birth.

Clopidogrel

Clopidogrel is a prescriptionantiplatelet medicine. It reducesyour risk ofgetting blood clots by affecting cells in your blood called platelets.

Clostridium difficile

Clostridium difficile, also known as C. difficile or C. diff,is a bacterium that can infect the bowel and cause diarrhoea.

Cluster headaches

Cluster headaches are excruciating attacks of pain in one side of the head, often felt around the eye.

Coccydynia

Coccydynia is a pain felt in your coccyx. This is the last bone at the bottom of the spine (tailbone). You can get it if you injure or strain your coccyx or the surrounding muscles…

Cognitive behavioural therapy

Cognitive behavioural therapy (CBT) is a talking therapy that can help youmanage your problems by changing the wayyou think and behave.

Cold

A cold is a mild viral infection of the nose, throat, sinuses and upper airways. It's very common and usually clears up on its own within a week or two.

Colic

Colic is thenameforexcessive, frequent crying ina baby who appears to be otherwise healthy. It's a common problem that affects up to one in five babies.

Colostomy

A colostomy is a surgical procedure to divert one end of the large intestine (colon) through an opening in the abdominal wall(tummy).

Colour vision deficiency

People with colour vision deficiencyfind it difficult to identify and distinguish between certain colours.

Colposcopy

A colposcopy is a simple procedureused to look at the cervix, the lower partof the wombat thetop of the vagina.It's oftendone if Smear test finds abnormal cells in your cervix.

Coma

A coma is a state of unconsciousness where a person is unresponsive and cannot be woken.

Compartment syndrome

Compartment syndrome is a painful and potentially serious condition caused by bleeding or swelling withinan enclosed bundle of muscles known as a muscle "compartment".

Concussion

Concussion is the sudden but short-lived loss of mental function that occurs after a blow or other injury to the head. It is the most common but least serious type of brain injury.

Congenital cataracts

Cataracts occur when changes in the lens of the eye cause it to become less transparent (clear). This results in cloudy or misty vision.

Congenital heart disease

Congenital heart disease is a general term for a range of birth defects that affect the normal workings of the heart.

Conjunctivitis

Conjunctivitis is a common condition that causes redness and inflammation of the thin layer of tissue that covers the front of the eye (the conjunctiva).

Consent to treatment

Consent to treatment is the principle that a person must give permission before they receive any type of medical treatment, testor examination. This must be done on the basis ofan…

Constipation

Constipation is a common condition that affects people of all ages. It can mean that you're not passing stools regularly or you're unable to completely empty your bowel.

Contact dermatitis

Contact dermatitis is a type of eczematriggered bycontact with a particular substance.

Cornea transplant

A cornea transplant is an operation to remove all or part of a damaged cornea and replace it with healthydonor tissue.

Corns and calluses

Corns and calluses are areas of hard, thickened skin that develop when the skin is exposed to excessive pressure or friction. They commonly occur on the feet and can cause pain and…

Coronary angiography

Cardiac catheterisation is an invasive diagnostic procedure that provides important information about the structure and function of the heart.