Davies will face an independent Six Nations disciplinary panel in London after being cited for a reckless tip-tackle on Ireland replacement Donnacha Ryan at the Aviva Stadium two days ago.
Wales coach Warren Gatland admitted after the match Davies was fortunate to avoid a red card, escaping with a sin-binning from referee Wayne Barnes on the recommendation of his assistant Dave Pearson.
But the 25-year-old Cardiff Blues forward now seems set to pay a heavy price for his action. It is understood a three-month suspension is being mooted in some quarters.
And that would give Gatland a second-row selection poser for Sunday's clash against Scotland, given that Davies' second-row colleagues Luke Charteris and Alun-Wyn Jones are currently injured and unavailable.
It has emerged, though, that flanker Lydiate and prop Jenkins are expected to resume full training this week following respective ankle and knee problems.
Gatland has delayed announcing his team to face Scotland until Thursday afternoon, but a fully fit Lydiate might facilitate a second-row switch for Ryan Jones, who performed superbly at blindside flanker in Dublin.
Match citing commissioner, Italian Achille Reali, took his action against 33 times-capped Davies under the International Rugby Board's Law 10.4 (j).
It states: "Lifting a player from the ground, and dropping or driving that player into the ground whilst that player's feet are still off the ground such that the player's head and/or upper body come into contact with the ground, is dangerous play."
Wales assistant coach and kicking specialist Neil Jenkins gave a brief response to questions regarding Davies on Tuesday, stating: "We do not want to say too much on Bradley's citing.
"We have to go up there tomorrow and we hope everything will be all right. That is as much as we need to say on it, really."
Wales skipper Sam Warburton, meanwhile, will have his fitness continually assessed over the next few days after going off at half-time in Dublin due to a leg injury.
Jenkins added: "It is another big game to come on Sunday, and we want our best players fit.
"They are battered and bruised after the weekend, but we hope everyone will be all right for training tomorrow and onwards.
"We are very happy to have the extra day to prepare, and you have to feel for Ireland because they have a short turnaround before they go to Paris. It is such a physical game now, that it is very difficult to have a six-day turnaround.
"Sunday will be a very tough game for us. If we take Scotland lightly we will come off second-best.
"We have not forgotten two years ago when we were very lucky to win. We had an incredible spree of points in the last five minutes, but we probably should not have won that game.
"We expect a very tough game, and we will need to be on edge and ready to win it."
The Dublin victory was only Wales' third on Irish soil since the Six Nations began 12 years ago, but they have not lost at home against Scotland since 2002.
Jenkins added: "It was a huge performance in Dublin. There was a lot of talk in the week beforehand about Ireland turning up and gaining revenge for the World Cup defeat against us and last year's Six Nations loss.
"But we put a lot of emphasis on ourselves and wanting to do well, meeting fire with fire and getting a result at the Aviva Stadium.
"We put a bit of pressure on ourselves and wanted to show what we were about and win the game. We played some fantastic rugby and scored three fantastic tries.
"Most people had written us off before the game, and it was a huge result. The last five minutes went for us, with the boys playing for each other, and that showed where we are as a team.
"We are a very fit side, but not as fit as we were in the World Cup, and we will continue to try to get there.
"There is always something you have to work in in your game and we will look at points in attack, defence and kicking to get ourselves ready for Sunday."
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