Is my eyebrow piercing rejecting?

I got my piercing about a week and a half ago. There was a bit of swelling when I first got it but it has since gone down. I don’t have any bumps but it does occasionally feel a bit itchy. My piercer said I should go back to downsize the jewelry after 1-2 months. It’s my first time getting an eyebrow piercing and the jewelry is implant grade titanium.