" Quite simply, I might say: "I need to remove that tick that's been biting me all day long." I would not say: "I should 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 https://eco4grant.mystrikingly.com/blog/make-your-home-energy-efficient-with-smart-solutions-embrace-grants-for