" Basically, I might say: "I need to get rid of that tick that is been biting me all day." I wouldn't say: "I should be free from that tick." And that is why I'd use "rid of" with a cold, instead of "free" (it does not matter no matter https://ecograntscheme.family.blog/2024/08/21/top-qualities-of-top-agencies-while-applying-for-loft-insulation-grant-for-pensioners/