" Basically, I might say: "I need to eliminate that tick that is been biting me all day." I wouldn't say: "I have to be free from that tick." And that's why I might use "rid of" with a cold, rather than "free" (it doesn't matter whether or not of https://ecograntscheme.art.blog/2024/08/21/top-qualities-of-top-agencies-while-applying-for-loft-insulation-grant-for-pensioners/