Exceeding the low-risk alcohol drinking guidelines means drinking in excess of the recommendations in either guideline 1 or guideline 2.
Guideline 1: To reduce long term harm. Recommends no more than 10 standard drinks a week for women (no more than 2 a day) and no more than 15 standard drinks a week for men (no more than 3 a day). Include non-drinking days.
Guideline 2: To reduce risk of injury. Recommends drinking no more than 3 standard drinks a day for women or 4 for men on any single occasion.