Originally Posted by Fitness55
I am a new Nurse Manager and need advice. Two staff members are at odds with each other. The conflict is dividing the staff and I feel lost. Apparently this situation has been happening for quite some time. What should I do ?

Good for you in realizing you do have to deal with this-your staff is intently watching you in this your first "test" and will deduce from this whether you will be fair, firm, credible. etc. You are wise in seeing how very destructive this kind of behaviour is.
All about you- Your own values will show here- what do you believe to be true about people and workers in particular? What kind of management style do you feel is best in this situation? How strong are your needs to be liked, what biases might you have, etc.
Know what you want to acheive-They don't have to like each other, but they do have to conduct themselves professionally, and you will set boundaries. The end goal is the floor needs to heal and get set on a common track and unifying direction- hopefully excellent pt care- rather than allow these two to put their personal needs ahead of everything.
Prepare: Gather as much information as you can- read their HR files for previous evaluations and any warnings.
Can you talk with the previous manager?
Is there an experienced manager in your peer group you can use a mentor?
What does the culture of your facility support in terms of discipline?
Of course, use a progressive discipline approach, document well, and avoid negative and labeling terms as much as possible. Do provide examples that illustrate the behaviours you will and will not accept.
Good luck, management is not for the faint hearted, but the right person can bring about so much good for staff and ultimately, patients.