Giroux logged two assists, two shots on goal and a plus-2 rating in Tuesday's 8-1 win over the Blues.
Giroux scored an even-strength goal and delivered a power-play assist in Friday's 6-4 loss to the Golden Knights.
Giroux scored a power-play goal on two shots in Monday's 8-7 overtime win over the Kings.
Giroux (personal) will play Opening Night against the Panthers on Thursday.
Giroux didn't participate in Monday's practice session following the birth of his third son over the weekend, TSN 1200 Ottawa reports.
Giroux scored the game-winning goal, a shorthanded tally just 36 seconds into the first period, in Thursday's 2-0 victory over Chicago.
Giroux (illness) will play Thursday versus St. Louis.
Giroux (illness) will be a game-time call for Thursday's matchup versus St. Louis, according to Wayne Scanlan of Sportsnet.
Giroux scored his 19th goal of the season and also succeeded on his shootout attempt in Thursday's 3-2 win over the Blue Jackets.
Giroux registered an assist in Tuesday's 2-1 overtime win versus Pittsburgh.