" Put simply, I'd say: "I want to remove that tick which is been biting me all day." I would not say: "I need to be free from that tick." And that is why I would use "rid of" with a cold, rather then "free" (no matter irrespective of whether https://freeinsulationscotland.news.blog/2024/09/13/what-you-must-know-before-applying-for-eco-grants/