Ritchie returned to Tyneside to be assesed by Newcastle's medical staff, and it appears that they have given him the green light.
The winger played 87 minutes of Scotland's loss to Costa Rica on Friday night, but was forced to sit out the win over Hungary on Tuesday.
It will be welcome news for Newcastle fans as they prepare for a crunch match at the bottom of the Premier League against Huddersfield this weekend.