" Quite simply, I'd say: "I need to remove that tick that is been biting me all day." I wouldn't say: "I have to be free from that tick." And that is why I might use "rid of" with a cold, rather than "free" (regardless of regardless of whether of https://freeinsulation.food.blog/2025/07/20/eco-grants-uk-how-to-qualify-for-a-government-insulation-grant/