Category: C
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Cowpox
An infectious viral disease of cattle which can be transmitted to humans. It was used as a constituent of the first vaccines for smallpox. Mild disease characterized by a pustular rash and caused by vaccinia virus transmitted to humans from infected cattle. Cowpox infection confers immunity to smallpox, which is caused by a similar virus.…
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Counterextension
An orthopaedic treatment in which the upper part of a limb is kept fixed and traction is applied to the lower part of it. An orthopedic procedure consisting of traction on one part of a limb, while the remainder of the limb is held steady: used particularly in the treatment of a fractured femur (thigh…
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Counteraction
The action of one drug which acts against another drug.
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Counteract
To act against something or reduce the effect of something.
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Counsellor
A person who advises and talks with someone about his or her problems.
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Counselling
A method of treating especially psychiatric disorders in which a specialist talks with a person about his or her condition and how to deal with it. Psychological support and advice provided by a trained therapist or health professional. The aim is to help an individual manage a particular personal or family problem: this may be…
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Cough up
To cough hard to expel a substance from the trachea.
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Cough suppressant
An opioid or sedative antihistamine drug such as pholcodine which suppresses the cough reflex.
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Coughing fit
A sudden attack of coughing.
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Cough
A reflex action, caused by irritation in the throat, when the glottis is opened and air is sent out of the lungs suddenly. Sudden, forceful, and audible expulsion of air from the lungs that clears the air passages of irritants and helps to prevent aspiration of foreign particles into the lungs. It is a common…