Workers in the National Ambulance Services in the Shannonside region are among those taking part 24-hour strike action today.
The protests, which began at 8am are taking place in Athlone, Carrick-on-Shannon, Roscommon and Longford.
Unions say there is an ongoing failure of management to implement the 2020 roles and responsibilities review.
One of those taking part in the protests in Longford has outlined the stark reality faced by them:
While in Carrick-on-Shannon this member says this the first of a series of strikes planned if the dispute is not resolved: