Lisdexamfetamine is a prescription stimulant medicine used as part of a comprehensive treatment programme for Attention Deficit Hyperactivity Disorder (ADHD). It is also approved for certain adults with moderate to severe binge eating disorder under specialist supervision.

How It Works

Lisdexamfetamine is a prodrug that is converted in the body into dexamphetamine. It affects certain chemical messengers in the central nervous system involved in attention, activity and impulse control.

Australian Product Information

• Active ingredient: Lisdexamfetamine dimesilate

• Strength: 20mg

• Australian brand: Vyvanse

• Registered form: Oral capsule

• Medicine category: Central nervous system stimulant

• Australian schedule: Schedule 8 (Controlled Drug)

• Prescription status: Prescription required

Important Safety Information

This medicine requires assessment and monitoring by a qualified healthcare professional.

Possible side effects include reduced appetite, difficulty sleeping, dry mouth, headache, increased heart rate and increased blood pressure. More serious cardiovascular or psychiatric effects can occur.

Tell your prescriber about existing heart conditions, mental health concerns, other medicines and any history of substance misuse. Do not share this medicine with another person.

Frequently Asked Questions

1. What is lisdexamfetamine 20mg used for?

It is used as part of a treatment programme for ADHD. Specific adult formulations may also be prescribed for moderate to severe binge eating disorder.

2. Is the 20mg product a chewable tablet in Australia?

The registered Australian Vyvanse 20mg product is a capsule, not a chewable tablet.

3. Is lisdexamfetamine prescription-only in Australia?

Yes. It is classified as a Schedule 8 controlled medicine and requires an authorised prescription.

4. Can it be used for weight loss?

No. Vyvanse is not indicated or recommended as a weight-loss medicine.

5. Can I purchase it without a prescription?

No. It must be prescribed and supplied in accordance with Australian medicine and controlled-drug requirements.