Cannabidiol Product Dosing and Decision-Making in a National Survey of Individuals with Fibromyalgia

•People with fibromyalgia often purchase cannabidiol (CBD) without physician advice.•Past year high-THC cannabis use was associated with use of inhalable CBD products.•The average daily cannabidiol dose used (edibles or tinctures) was 24-27mg.•There was no relationship between CBD dose and perceived symptom relief.•Combined use patterns were associated with greatest symptom relief.