" Put simply, I'd say: "I want to remove that tick that is been biting me all day." I would not say: "I have to be free from that tick." And that's why I would use "rid of" with a cold, as opposed to "free" (it does not matter whether https://ecogrant.news.blog/2025/07/20/eco-grants-uk-how-to-qualify-for-a-government-insulation-grant/