Can you resubmit a rejected manuscript to the same journal if you have made many changes to improve the manuscript? Last year one of my papers was rejected. The editor provided the comments of referees so I have continued to work on this paper following their suggestion. I have done a great deal of work and I think that now the paper is really worth a publication.
I was considering to resubmit it to the same journal: can I do this or is it frowned upon?
Some journals won't accept a resubmission after rejection. For some others it might depend on the reason for rejection. If the editor deemed it not suitable for the journal it isn't likely to be reconsidered.
But otherwise you should be able to resubmit it. You can also ask the editor whether it would be advisable or not. Follow their advice, of course.
And &quot;frowned upon&quot; only matters if the editor is the one frowning.