COLLINGWOOD has suspended Brownlow medallist Dane Swan from their next two matches, against the Sydney Swans and North Melbourne.

"The decision was made after the club became aware that Swan had been drinking alcohol six days before next Saturday's match against the Sydney Swans, a clear breach of club protocol," Collingwood said in a statement on Tuesday.

"The suspension followed discussions between a number of parties, including the leadership group."

Swan has been in rare form of late, averaging nearly 39 possessions a week since he missed two games in rounds nine and 10 with a hamstring injury.