The unions has accused ministers of refusing to negotiate over its economic and social policies.
Unite General secretary Len McCluskey said:
Our members at HCA are showing solidarity with their HCA colleagues in PCS against the savage attack by the coalition on public services and those dedicated staff that deliver them.
The anger is growing at the negative dead end economic and social policies of this right-wing government - from the easy ride that the City elite receives from George Osborne to the gross unfairness of the hated bedroom tax which will hit 650,000 people.
More top news
Wet weather to end the weekend.
The widower of murdered MP Jo Cox has quit two charities set up in her memory after sexual assault allegations from his past resurfaced.
A cold and frosty night so a freezing start for those up bright and early.