Lisdexamfetamine (Generic Vyvanse®) for ADHD and Binge-Eating

What Lisdexamfetamine Is and How It Works

Lisdexamfetamine is a central nervous system stimulant used for attention-deficit/hyperactivity disorder (ADHD) in adults and children 6 years and older. It is also approved for moderate to severe binge-eating disorder (BED) in adults. This product is the generic equivalent of Vyvanse®. It is taken once daily, usually in the morning. Many shoppers compare lisdexamfetamine cost and lisdexamfetamine cost without insurance when planning their therapy.

YouDrugstore is a licensed Canadian pharmacy based in Manitoba. Orders are reviewed by licensed pharmacists before dispensing, and you can order online. We offer brand and generic medicines at Canadian prices and carry OTC health products. Our customer-service chat is available during posted office hours, and pharmacists can address medication questions.

Lisdexamfetamine is a prodrug of dextroamphetamine. Enzymes in red blood cells convert it to the active medicine. This slow conversion helps deliver steady symptom control through the day. It comes in multiple capsule strengths to support careful titration.

We source from licensed, vetted partner pharmacies so you receive authentic brand medications and a broad selection at affordable pricing.

Learn more about ADHD on our Attention Deficit Hyperactivity Disorder Adhd page, and about BED on our Binge Eating Disorder page.

Dosage and Usage

Dosing is individualized by a prescriber. The medicine is taken once daily in the morning, with or without food.

• Typical starting dose: 20–30 mg once daily.
• Titration: adjust by 10–20 mg at weekly intervals based on response.
• Maximum recommended dose: 70 mg once daily.
• Swallow capsules whole, or open and mix contents with yogurt, water, or orange juice. Consume the mixture right away and do not store.
• Missed dose: take in the morning when remembered. Skip if it is later in the day to reduce risk of insomnia. Do not double the next dose.

• Storage: store at 20–25°C (68–77°F). Keep in the original container. Protect from moisture. Keep out of reach of children.
• Travel: carry your prescription and keep medicine in your carry-on. Check regulations at your destination, since stimulants can be controlled substances. Keep capsules in original labeled packaging.

This medicine is not approved for weight loss and should not be used for that purpose.

Benefits and Savings

Lisdexamfetamine improves core ADHD symptoms. People often report better attention, less impulsivity, and improved organization. In binge-eating disorder, it can reduce the number of binge days per week.

Once-daily morning dosing supports adherence and helps avoid midday dosing at school or work. The prodrug design can reduce peaks and troughs seen with some immediate-release stimulants.

Ordering through YouDrugstore may offer 60–80% savings versus typical US retail prices. Many patients compare costs without insurance, and we can help you review strengths that fit your prescription and budget. Multi-month supplies, where permitted, can lower the monthly cost.

Side Effects and Safety

• Common: decreased appetite, dry mouth, trouble sleeping, headache, irritability, nausea, stomach pain, dizziness, increased heart rate or blood pressure.
• Less common: anxiety, sweating, constipation, weight loss, jitteriness, restlessness.
• Serious: chest pain, shortness of breath, fainting, hallucinations, mania, new or worsening aggression, seizures, prolonged or painful erections, circulation problems in fingers or toes (e.g., numbness, color changes), and serotonin syndrome when combined with serotonergic drugs.

Do not use with or within 14 days of an MAOI. Use is not advised in symptomatic heart disease, hyperthyroidism, glaucoma, or with a history of drug misuse unless closely supervised. Growth should be monitored in children on long-term therapy. Stimulants have a risk of abuse and dependence; safe storage is essential.

Insomnia can occur. Good sleep hygiene helps. If sleep difficulties persist, your prescriber may adjust timing or dose. For general tips, see our article How To Treat The Most Common Sleep Disorders.

Onset Time

Effects usually begin within 1–2 hours. Peak effects occur around 3.5 hours after a dose. Clinical benefit can last up to 13–14 hours in many patients. Finding the right dose can take several weeks due to gradual titration.

Compare With Alternatives

Brand Vyvanse® contains the same active ingredient as lisdexamfetamine. The generic offers comparable efficacy and safety when used at the same dose.

Methylphenidate extended-release products are another first-line option for ADHD. These include osmotic and bead-based once-daily formulations. Responses vary by individual, so some do better on amphetamine-based therapy and others on methylphenidate.

Non-stimulants such as atomoxetine or extended-release guanfacine may be suitable when stimulants are not tolerated or are contraindicated. On occasion, an antidepressant can be considered in adults with comorbid depression; for example, Wellbutrin Xl® may be used under a prescriber’s guidance. Medicine choice depends on symptom profile, side effects, and medical history.

Combination Therapy

Behavioral therapy, organizational skills training, and school or workplace accommodations often improve outcomes when combined with medication. In binge-eating disorder, nutritional counseling and psychotherapy support lasting change. Caution is needed with other stimulants or serotonergic agents. Avoid MAOIs. Tell your prescriber about all medicines, including decongestants and supplements that can raise blood pressure or heart rate.

Patient Suitability and Cost-Saving Tips

Lisdexamfetamine may be suitable for patients who need once-daily coverage and prefer a prodrug stimulant profile. It may not be right for those with significant cardiovascular disease, uncontrolled hypertension, hyperthyroidism, glaucoma, certain psychiatric conditions, or a high risk of misuse. A careful assessment helps balance benefits and risks.

To manage costs, consider larger fills if your prescription and regulations allow. Multi-month supplies and bulk promotions can reduce the per-month price. You can set simple reorder reminders so you do not run out. For current offers, see our lisdexamfetamine coupon page, which also explains bulk options. If you pay cash, our team can discuss ways to keep expenses lower, including comparing strengths and formats. This can help when buying without insurance.

If you are exploring treatment paths, our condition pages for Attention Deficit Hyperactivity Disorder Adhd and Binge Eating Disorder provide plain-language guidance.

Authoritative Sources

Vyvanse official consumer site

Health Canada Drug Product Database: Lisdexamfetamine

FDA Prescribing Information for Vyvanse

YouDrugstore is here to support your treatment plan with careful dispensing and fair Canadian pricing. Order online or by phone, and our team will prepare your parcel with prompt, express, cold-chain shipping when needed. Chat with customer service during posted hours if you have ordering questions.

This page is educational and does not replace your prescriber’s advice. Always follow your prescriber’s directions and local regulations for controlled medicines.