27th February 2024

A 72 year old female presents to the GP with a history of sudden-onset breathlessness, rash and facial swelling.

A 72 year old female presents to the GP with a history of sudden-onset breathlessness, rash and facial swelling. She reports having just taken her antibiotic for a UTI. On examination, she is pyrexial and appears grossly oedematous. Her observations are BP 132/80, HR 115, Temp 37.8, O2 sats 96% on RA and RR 26.

Select the single, most appropriate immediate management option.