" Put Simply, I'd personally say: "I need to get rid of that tick that is been biting me all day long." I would not say: "I should be free from that tick." And that's why I would use "rid of" with a cold, rather then "free" (regardless of irrespective https://greenhomesgrant.travel.blog/2024/09/13/what-you-must-know-before-applying-for-eco-grants/