A representative from Nipsa indicated that staff members might resort to strike action as early as next month.
The warning comes despite assurances from Health Minister Robbie Butler regarding ongoing negotiations.
Consultants and specialist doctors have already engaged in industrial activity concerning remuneration.
Peadar Tóibín, leader of Aontú, highlighted the impact on those facing increased household costs.
He noted that approaching an Assembly election next year has heightened the need for health workers to be heard.
The situation is particularly acute for individuals already struggling with sustained cost-of-living pressures.
While some sectors have acted, the broader workforce awaits confirmation of agreed terms.
Patrick Mulholland stated his union would consider further steps if demands were not met promptly.
The Executive's inability to agree on a budget has left the promised uplift unfulfilled.
No final agreement has been reached between the parties involved in these discussions.