• Angio-oedema and anaphylaxis
. Updated in line with the Resuscitation Council UK’s guideline on the emergency treatment of anaphylactic reactions. Recommendations to routinely administer intravenous or intramuscular chlorphenamine and hydrocortisone have been removed.
. The section on assessment has been moved to the diagnosis section to improve clarity and navigation. An extra section on surgical management has been added to the management section.
• Heart failure – chronic
. Advice to add iron studies as part of the assessment of a person with heart failure and to manage comorbidity of hypertension has been added. This is based on the European Society for Cardiology guideline on the diagnosis and treatment of acute and chronic heart failure.
• Smoking cessation
. History of epilepsy has been added to the contraindications and cautions section for nicotine replacement therapy in line with updated manufacturer's summary of product characteristics.