CNS stimulant (Schedule 2 CD)
Dexamfetamine sulfate
Brand names: Amfexa
Adult dose
Dose: ADHD: titrate from 5mg OD–BD up to 1mg/kg/day per protocol
Route: Oral
Frequency: OD–TDS
Clinical pearls
- NICE NG87 ADHD: dexamfetamine option after methylphenidate / lisdexamfetamine trials
- Schedule 2 CD — strict prescribing
- Specialist initiation; growth and CV monitoring in paediatrics
Contraindications
- Cardiovascular disease
- Severe hypertension
- Hyperthyroidism
- Mania / psychosis
- Glaucoma
- Concurrent or recent MAOI
- Pregnancy
- Hypersensitivity
Side effects
- Reduced appetite / weight loss / growth retardation (children)
- Insomnia
- Tachycardia/hypertension
- Anxiety
- Tics
- Dependence and abuse
- Cardiac events
- Psychosis
Interactions
- MAOIs (avoid)
- Tricyclics
- Alkalinising agents (delay excretion)
Monitoring
- BP
- HR
- Weight / height (children)
- Mental state
- Tics
Reference: BNF; NICE NG87; MDR Schedule 2; https://bnf.nice.org.uk/drugs/dexamfetamine-sulfate/. Verify against your local formulary and the latest BNF before prescribing.
Related
Curated clinical cross-links plus same-class fallbacks.
Pathways
- Acute Behavioural Disturbance / Rapid Tranquillisation · RCEM 2022; RCPsych 2022; NICE NG10
- Self-Harm Presentation · NICE NG225 (2022)
- Capacity Assessment (Mental Capacity Act) · MCA 2005; Code of Practice
- Acute Psychosis Management · NICE CG178 2014
- Depression Management · NICE CG90 2022
- Lithium Therapy Monitoring · NICE CG185 / BNF