The PM's official spokesman said Mr Johnson will not be immediately returning to work as he recuperates at his country residence, Chequers.
The Conservative MP claimed Britain is heading for a Brexit deal which is "an awful lot worse than Chequers".
Conservative MP John Redwood has claimed a no-deal Brexit would be a "perfectly good outcome" and would "deliver Brexit completely".
Liberal Democrat spokesman for international affairs Tom Brake says the prospect of a no deal Brexit could unite Remainers across all parties
Stewart Jackson, who worked with David Davis during his tenure as Brexit secretary, said up to fifty Tory rebels could oppose the Prime Minister's Chequers plan
Boris Johnson used his speech at the Conservative Party Conference to call for the Prime Minister to “chuck Chequers” describing it as a “democratic injustice”.
Boris Johnson has used his latest Telegraph column to denounce the Chequers deal again, and set out his alternative plans for Brexit
Jacob Rees-Mogg has praised new Brexit proposals from the Institute of Economic Affairs, saying the are a 'compromise' Brexiteers and Remainers could get behind
As Donald Tusk says Chequers 'will not work', MPs on both sides of the Brexit divide urge Theresa May to come up with another solution
No “self-respecting democracy” would accept the terms for Britain’s future relationship with the EU set out in Theresa May’s Chequers plan, the former Brexit Secretary David Davis has said.
Peter Bone MP tells Julia Hartley-Brewer that there is no alternative to Theresa May's Chequers deal
Former Brexit minister Steve Baker said the Conservative Party faces a “catastrophic split” if Prime Minister Theresa May sticks with her Chequers plan on Brexit.
The UK fishing industry has been vocal about the opportunities leaving the EU could provide, and after UK fishing boats clashed with French boats in a so-called scallop war last week it is clear that tension between UK fishermen and their EU counterparts are high.
In his latest Telegraph column, Boris Johnson used Greece's economic situation as an example as to why the Chequers proposal would be bad for Brexit
Iain Duncan Smith has said a no-deal Brexit would not be a cause for alarm, because it would mean reverting to World Trade Organisation rules, which already govern many trade deals worldwide
Theresa May is taking her customary two breaks this summer as parliament goes into recess, but Brexit will be on her mind, says Ross Kempsell
It's alleged that the former chief adviser to Trump has been urging Johnson to challenge for Tory leadership.
As MPs prepare to vote on Commons amendments to the Chequers bill, Julia Hartley-Brewer said the PM's plan was a 'failure' and joked she would have liked to have seen Trump's take on Brexit
Theresa May’s White Paper was published on Thursday outlining Britain’s plan for leaving the European Union.
The former Brexit secretary, who resigned this morning, said he encouraged colleagues to support the Prime Minister but did not agree with her vision for Brexit
Ministers who resign during the Brexit meeting at Chequers will be left to get taxis home, according to a cabinet source - but the local taxi firm they've been advised to use has shut down
Ministers will gather at Chequers to consider plans which could see the UK remain closely aligned to rules set by Brussels on agriculture and food, potentially making it much harder to strike a post-Brexit trade deal with the US.
Theresa May held a Brexit meeting at Chequers with senior cabinet ministers
The Prime Minister held an eight-hour meeting with senior Cabinet members which appears to have increased tensions
As Theresa May maps out the Brexit strategy, a former migrant maps out a strategy to 'get numbers down by about 100,000 with EU migrants alone'
Theresa May has invited her Cabinet to meet at Chequers today - and Jon Holmes thinks he knows what went down
Tory MP Nigel Evans believes the Prime Minister will give a tough message regarding the UK's exit from the European Union