Maximum 4g daily.
Aspirin tablets dispersible 300mg: ADULT, 300-900mg, every 4-6 hours.
CHILD "Do not give to children under 12 years, and avoid up to and including 15 years of age if feverish".
Reference: http://www.ljf.scot.nhs.uk/exist/xmldb/db/ljf_v2/d_unified/d_unified04.xml (12/05/08)