" To put it differently, I'd personally say: "I need to remove that tick that is been biting me all day." I wouldn't say: "I must be free from that tick." And that is why I'd use "rid of" with a cold, as an alternative to "free" (it doesn't matter https://www.tumblr.com/homeinsulationgrant/759429022693343232/top-qualities-of-top-agencies-while-applying-for