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Mark Forrest
Mark Forrest
on behalf of Health Education England

$12.59 $ 12.59 $ 12.59

$ 12.59 $ 12.59 $ 12.59
$ 12.59 $ 12.59 $ 12.59
Normal Price: $12.59 $12.59


Launch date: 17 May 2018
Expiry Date:

Last updated: 29 May 2018

Reference: 189205

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This session describes drugs that act on the H1 receptor to counteract the effects of histamine, explores the indications, mechanism of action, side-effect profiles and the reasons for the various indications of commonly encountered antihistamines.


By the end of this session you will be able to:
• Explain the biochemistry, manufacture, storage and mechanisms of release of histamine within the body
• Describe the location, mechanism of activation, signalling and effects of stimulation of the histamine H1 receptor
• Recognize the indications and side-effects of antihistamines
• Describe the mechanism of action of antihistamines, their classification and examples
• Explain the pharmacology of the commonly encountered antihistamines: chlorphenamine (chlorpheniramine), cyclizine and promethazine
• List the advantages of second and third generation antihistamines over first generation antihistamines
Mark Forrest

Author Information Play Video Bio

Mark Forrest
on behalf of Health Education England

Consultant Cardiothoracic Anaesthetist
Mark is a Consultant in Cardiothoracic Anaesthesia and Intensive Care at the Manchester Royal Infirmary.

He trained in the North West Thames Region and his clinical interests include adult congenital heart disease and echocardiography.

His current research interest is the long term outcomes following prolonged ICU after cardiac surgery. He is also a Primary Examiner and Section Head for the Pharmacology structured oral examination.

Current Accreditations

This course has been certified by or provided by the following Certified Organization/s:

  • Health Education England
  • 0.50 Units -
    Exam Pass Rate: 60

Faculty and Disclosures

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