Table 4. Quick Guide to Pharmacokinetics.

	Inhalation: smoke or vapor	Tinctures: drops or sprays	Capsules/edibles	Transdermals	Suppositories
Onset	5 sec–10 min	15–45 min	30–90 min	1–15 min	10–15 min
Peak effect	5–10 min	1–2 hr	1–6 hr	90 min	2–8 hr
Duration	2–4 hr	6–8 hr	4–8 hr	Up to 48 hr	Up to 8 hr
Note	Good for acute symptoms; can cause bronchial irritation	Good for acute symptoms; easy to titrate dose	Good for chronic conditions; difficult to titrate dose	–	Must be placed 1–1.5 in from anal verge