" Put simply, I'd say: "I would like to remove that tick which is been biting me all day." I would not say: "I should be free from that tick." And that's why I might use "rid of" with a cold, in lieu of "free" (it does not matter no https://freeinsulationsscotland.blogspot.com/2024/08/what-are-steps-to-apply-for-free.html