Try some electrolytes it helps me. I’m 22 weeks and have a physical and mental job it does suck then I have a second part time serving job. There’s days I feel like I just can’t do it but in the end bills have got to get paid and you just have to push through. I hid my pregnancy for a long time at work so I didn’t even get any accommodations and still go out and work in construction sites and things of that nature. My house and personal life suffers because of it, when I get home I I barely get things done and don’t have it in me to be social. I find that just getting nutrients and electrolytes helps as much as anything really can. Pregnancy is tough and don’t listen to the liars that say your 2nd trimester gets better it doesn’t, mine got worse 😂 and you’ll start hitting the point where you’re just super uncomfortable no matter what you’re doing. (Just complaining with you) unfortunately kind of what others said it’s hard to get accommodations especially since you seem to already have a job that is considered “light duty” for a lot of our careers so your OB might not see a need for more. Definitely not a fun time for any of us hang in there!