Hi! I can only echo what the others have said. It sounds like menopause. It infuriates me how many women on the forum are told they are too young and given antidepressants. The average age is only an average. The window of age range is not so small that one has too be 50 for it to be menopause. It's ridiculous. I feel very lucky that my bleeding became an issue first and put me on the menopause radar, and the other meno symptoms started in soon enough that the bleeding never led to surgery. I'm 39, and hate to imagine what I would be facing now if my doctors hadn't acknowledged the possibility of menopause. My mom was also early 40s. It seems like those who are having regular-ish periods have more difficulty having their issues addressed.
All that said, there are lots of women who do well with antidepressants, and I imagine it was first choice after the WHO studies scaring everyone off hrt. You could see how they work for you, and at the same time be aware of issues that only estrogen can help. There are threads on the forum on vaginal atrophy. If you feel well with the AD and don't immediately pursue hrt, just be aware of the symptoms of these other ailments so you can demand hrt if it's showing signs of becoming an issue.