" To put it differently, I'd say: "I need to remove that tick that's been biting me all day long." 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 than "free" (it doesn't matter https://greenenergygrants.school.blog/2025/06/19/future-proof-your-home-comfort-discover-energy-grants-uk-today/