Update for primary care: October 2007

In this issue:

• Central nervous system - Donepezil, galantamine, rivastigmine (review) and memantine for the treatment of Alzheimer's disease (amended)
• Gastrointestinal - Stapled haemorrhoidopexy for the treatment of haemorrhoids
• Injuries and accidents - Head injury: triage, assessment, investigation and early management of head injury in infants, children and adults (partial update of NICE clinical guideline 4)