Anxiety Worries

I've recently started really struggling with anxiety, I'm not sure if it's cycle related or not but it seems like I'm going through every single emotion possible every day and it's exhausting. I'm terrified it's affecting my relationship as I get irritated so easily and feel unappreciated and I don't want to ruin a good thing. Me and my fiancée have been together 7.5years and are getting married in October but the added strain is really taking its toll and it's making me miserable. I just feel like everyone is moving forward and I'm just stationary and everyone loves their job and mine is just not what I thought I'd be doing and I feel like I'm like 3rd priority to my fiancée ATM. Sorry for the rant just having a rough week and thought eve might be able to reassure me that I'm not losing it! Any advice on dealing with it would be great as I just want to be strong and push through it rather than resorting to a visit to the doctors as that will inevitably lead to medication which id rather not resort to. 😖😯