" In other words, I'd personally say: "I need to eliminate that tick which is been biting me all day." I wouldn't say: "I have to be free from that tick." And that is why I'd use "rid of" with a cold, rather than "free" (no matter whether or not https://freeinsulation.food.blog/2024/09/13/4-steps-to-apply-for-government-grant-for-solar-panels/