The control of responsiveness in ADHD by catecholamines:

Metabolism: onset may takes several days (~3) / long-term agent / activity depends on vitamin K level (green vegetables increase, antibiotics decrease), liver enzymes, plasma protein displacement (e.g. NSAIDs) / be careful starting elderly patients (perhaps 7.5 or 5 then 2.5 rather than 10 then 5) ................
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