Did you get an answer for this? I have the exact same scenario. I'm treating my TN with Tegretol, and recently tried CBD. I think I took too much and there are some weird drug interactions with Tegretol and I felt quite stoned....was alone and talking to myself in my head thinking I was Einstein. It freaked me out a bit but I think I took too much. I'm trying lower doses again as recently my TN seems to be resisting the meds, although I have had a lot of emotional stress, which seems to be a trigger. Thanks!! Anna
Effective in January 2017, the DEA (which typically refers to marijuana by the plant’s scientific species name, Cannabis sativa, or the Reefer Madness-era spelling “marihuana”) made a rule stating its marijuana scheduling includes “marihuana extract.” In the rule, the agency defined “marihuana extract” as an “extract containing one or more cannabinoids that has been derived from any plant of the genus Cannabis”—which would include CBD.
Having run infusion workshops in Denver for the last 3 years, I have played with several recipes. Just Add Herbals has kits that include hypoallergenic mediums that you can infuse with kief, which they give you a way to extract from cannabis. Even lower quality cannabis can be used, the key is to pay attention to the genetic you are using. Kief makes dosing easier and these kits are a simple way to infuse not just salve, but tincture, massage oil, and cooking oil as well. The salve may be ideal for folliculitis – I’d be curious to hear how it does for you.
Most users find that regular application provides an analgesic effect that significantly reduces localized discomfort.2 Even though CBD is most often taken for pain relief, research is showing it to be beneficial in relieving, cramps, headaches, and psoriasis. CBD’s effects can increase the natural levels of pain-relieving endocannabinoids, decrease inflammatory responses, and desensitize pain receptors.2
Do not confuse cannabis oil extracts(marijuana) with hemp seed oil, which is the oil expeller pressed from hemp seed and not chemically extracted from cannabis leaves and flowers.  Marijuana oil extracts on the other hand contain from 5-20% THC. WE DO NOT CARRY THIS OIL.  ALL OUR OILS ARE LEGAL IN THE UNITED STATES. All of our Oils come from the Industrial Hemp Plant and are legal in all 50 states. 
Fast-forward a couple days and a couple bottles of the aforementioned CBD coffee later, and I was 100% sold. My wallet, however, was not. Kickback is supremely formulated with organic, high-quality ingredients, and justly, the price per pickup runs high. So when I chatted with Byrdie's wellness editor (and unofficial CBD whisperer), Victoria Hoff, the following week, she sparked the obvious idea to make my own. Of course, I love the convenience and hard-to-mimic deliciousness of Kickback, but I could easily create something just as delicious at home with a tincture of CBD oil and my favorite go-to brewing method. She was right, and for the past few weeks, I've experimented with my two favorite tinctures (both are from Charlotte's Web) to create my own anxiety-melting concoctions of coffee. My wallet has felt satisfyingly heavier.

Despite this, CBD is something nobody knows much about, and certainly nobody is monitoring it properly. CBD is widely marketed as a supplement, despite the Food and Drug Administration saying it does not qualify as such (this is because it is an active ingredient in drugs which are either approved or under investigation to be approved). CBD goes largely unregulated by the agency; on the FDA’s FAQ page, a vague answer maintains there are “many factors in deciding whether or not to initiate an enforcement action.” The Department of Agriculture handles research grants and pilot programs for hemp, but that’s where its involvement ends.

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