The senators said the deal was a "blatant attempt to further Allergan's market monopoly" on its $1.5 billion eye drug, Restasis.
The bill would restore billions of dollars in reimbursement payments to insurers.
House Republicans, with the urging of President Donald Trump, will strive to pass a budget so they can turn their attention to tax reform.
The bill would restore billions of dollars in payments to Obamacare insurers, many of whom hiked prices to anticipate the payments ending.
The individual mandate requires most people to have health insurance or pay a fine.
A deal to stabilize Obamacare suffered major setbacks, with President Donald Trump now opposing it and senior Republicans speaking out against it.
Cost-reduction payments to Obamacare insurers were actually reimbursements for discounts they were required to give.
The proposal would fund billions of dollars worth of Obamacare reimbursements to insurers, which Trump cut off last week.
Now, it's about whether an all-GOP government can accept political limits, allow bipartisan compromise and protect citizens from harm.
President Trump last week killed bllions of dollars of payments to insurers.
U.S. President Donald Trump will hurt low-income Americans by doing away with Obamacare subsidies and make it harder for him to engage in bipartisan talks with Democrats as Congress edges toward a possible government shutdown, lawmakers said on Sunday.
Trump reportedly told a lawmaker he would be willing to continue the payments if a bipartisan health deal was reached.
Regional insurer Medica is pulling out of the state's health exchange for 2018 at the last minute.
California is looking to expand its current testing of an early warning system for incoming quakes with a "limited public roll out" in 2018.
The time has come to get Republicans and Democrats, including governors, in the same room to work on a solution, Gov. John Hickenlooper said.
There's just so much bad blood between Republicans and Democrats now, Veda Partners' Spencer Perlman told CNBC.
Democrats' child care proposal would require federal government to guarantee it like Social Security or Medicare, Vox reports.
A number of senators want to guarantee key payments to insurers that compensate them for discounts given to many Obamacare customers.
Doubts are growing that Republican senators can pass an Obamacare replacement on their own, and Democrats have seized on that.
HHS Secretary Tom Price's testimony came as GOP senators push toward voting on their yet-to-be-unveiled bill before July 4.