Self-testing kits for HIV will be legalised in the UK from April 2014, with the aim of improving early detection of the disease.
If a test is positive, people will be advised to have a follow-up test at an NHS clinic to confirm the results.
More top news
The chancellor now faces the prospect of forming a minority government or calling for a snap election.
The 73-year-old said a return is unlikely "given the politicised atmosphere that seems to have afflicted our set."
Chancellor Philip Hammond said the UK will make a financial proposal to the EU in the next three-and-a-half weeks.