Dexamfetamine (Amfexa) Oral Onset of Clinical Effect
Published Amfexa prescribing information does not provide a specific “time to clinical effect” endpoint after oral dosing. (medicines.org.uk)
Pharmacokinetic Time to Peak Exposure (Closest Available Timing)
Following administration of one 5 mg oral tablet, average maximal plasma concentrations (Cmax) are achieved at approximately 1.5 hours. (medicines.org.uk)