“Do antidepressants help with stress?”

A proper evaluation would help you sort out if it is mere stress or also some component of depression. Therapy would be best if it is just stress.

See this link..
https://www.bap.org.uk/articles/how-antidepressants-work/#:~:text=Antidepressants%2C%20in%20turn%2C%20dampen%20down,from%20the%20effects%20of%20stress.
and
https://blogs.scientificamerican.com/scicurious-brain/stress-and-antidepressants-by-their-powers-combined/