The Department of Health and Social Security (Manx: Rheynn Slaynt as Shickyrys Y Theay) or DHSS provided healthcare (hospitals, doctors, dentistry, ambulance service), social services (mental health, social workers, and residential care), and social security (state pensions, child benefit, sickness benefit, and Jobseeker's Allowance).
Prior to the separation of its component parts on 1 April 2010, the DHSS was the largest employer on the Isle of Man, with over 3,000 members of staff.
Ministerial and political membership changes saw David Anderson MHK become Minister for Health, aided by Dudley Butt MLC as political member for Health.
David Killip, former DHSS CEO, remained with the Department of Health.
Martyn Quayle MHK became Minister for Social Care and Chris Corlett, previously CEO of the Department of Trade and Industry, became CEO of the Department of Social Care.