RCN house style for print and web
gall bladder
two words
gallstone
one word
general election
genitourinary
one word
geriatrics
still a branch of medicine but avoid in other contexts
GlaxoSmithKline
sometime sponsor of nursing activity; GSK at second mention
cap up even when used as verb – I Googled “nursing in France”
government
cap up the Government (as in, the UK Government); the Coalition Government; but government interference; a government minister
Great Britain
see Britain
guidelines, guidance
guidelines are specific clinical advice – use if they have been published by the Department of Health, for example. Guidance is more general
Gypsies
initial cap; recognised ethnic group under the Race Relations Act, as are Irish Travellers