I'm 28 And Have Had Joint Pain For The Last

I'm 28 and have had joint pain for the last 3 weeks. I can barely stand up straight and walk in the early mornings and late at night. I've currently been taking ibuprofin.

I had a virus a month ago. Once that went away about a week later, my ankles became severely swollen (which is currently still a minor issue). And ever since then, I have achy bones and joints.

I went to the doctor 2 weeks ago where they ran several tests (chest x-Ray, blood test, urine test). They concluded I had no internal organ issues and that I have Edema and anemia. They wanted to run another blood test later if symptoms didn't get any better for rheumatoid arthritis.

I'm currently living in South Korea where the humidity is significantly higher from my home country and my diet is slightly different. It's been a month of symptoms, could this possibly go away, or could this be something bigger?

Thank you!