Many meds: overuse b-agonist inhalers, ADHD-related stimulants, over use of thyroid replacement, over use caffeine, steroids→ anxiety to mania, mental health meds including SSRIs, other
Withdrawal from meds: ETOH, benzodiazepines, narcotics, SSRIs, gapapentin, cyclobenzaprine, and many others (both prescribed and substances of abuse)