I have been using cannabis tinctures for pain and I am quite happy with the results. I administer three drops underneath my tongue in order to absorb the CBD into my bloodstream. Works within 15 to 30 minutes. If pain persists, I administer another two drops. Everyone is different so you have to experiment on the amount of cannabis tincture (drops) you need. I started with two drops and went from there.
Moreover, I use a ratio of 1:1 at night because this mixture relaxes me and helps me sleep. This ratio means I am administering equal amounts of CBD and THC into my system. CBD takes care of the pain and THC gives me a relaxed "high" to sleep.
During the day time, I use a ratio of 1:4 because this mixture takes care of the pain and doesn't give me the "high". This ratio means I am administering less THC and mostly CBD. I use this mixture because it takes care of the pain and keeps my brain clear so that I can function (no "high").
What did your doc say, or did you ask relative to CBD & TSH. How did you take it? I too don’t tolerate NASIDS WELL. I am anxious to read about your experiences with it. Especially since I live in Colorado. I do work in a critIcal job for the VA so I can’ go to work with any effects.