Dougie crossed for his first Scotland try in a cap international in the 48-6 Bank of Scotland Corporate Autumn Test victory over Romania in November 2006.
Earlier in the year he started in Scotlandís victories in the RBS 6 Nations Championship against France and England.
He won his first cap as a second-half substitute against Wales in the RWC Countdown Test in 2003. He scored his first try in national colours in the non-cap 38-7 win against the Barbarians in May 2005.
Dougie made his first appearance for Scotland A in their November 2002 win against Romania in Aberdeen and was called from the bench during the subsequent A contests against England and Italy.
He had already represented Scotland at under-19 and under-21 levels and progressed from an apprentice contract with Glasgow Caledonians to a full-time pro-contract initially with Glasgow Rugby then moving to Edinburgh Rugby in 2002.
Dougie also played in Scotland under-19ís 1999 win in the FIRA Junior World Championship against England and later that year featured in the Scottish Districtsí u21 teamís 14-9 win against New Zealand Youth at Jedburgh.
He made 12 appearances for Scotland under-21, including those in the SANZAR tournament in New Zealand in June 2000.
Dougie spent much of 2001-02 recovering from a broken leg but did make two appearances for Glasgow towards the end of that season and was on standby for the Scotland tour of North America.