Stimulants
Lisdexamfetamine (Vyvanse)
Street names: Vyvanse, Elvanse, Tyvense
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- 10–12 h smooth focus/energy (prodrug — activates in the body)
- Lower 'rush' than Adderall, longer duration
⚠Key risks
- Dependence; prodrug design deters but doesn't prevent misuse
- Insomnia, appetite suppression
- Cardiovascular strain at high doses
✚Overdose signs
- Racing heart, chest pain
- Agitation, paranoia
- Overheating
Category comparison — Stimulants
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| Lisdexamfetamine (Vyvanse) | Schedule II | Dependence; prodrug design deters but doesn't prevent misuse; Insomnia, appetite suppression | ~$5–$20 per capsule |
| Cocaine | Schedule II | Heart attack/stroke even in young users; Severe addiction — craving cycle | ~$60–$120 per gram |
| Speed (amphetamine paste) | Schedule II | Insomnia, anxiety, paranoia; Heart strain and overheating | ~$10–$40 per gram |
| Methamphetamine | Schedule II | Addiction — among the most addictive drugs known; Meth mouth, skin sores, psychosis | ~$20–$100 per gram |
| Adderall (amphetamine salts) | Schedule II | Dependence and tolerance; Cardiovascular strain | ~$3–$15 per 30 mg tablet |
| Adderall XR | Schedule II | Same as Adderall; long duration masks sleep debt; Beads snorted bypass XR mechanism | ~$5–$20 per 30 mg capsule |
Street prices are regional estimates. Potency and cuts vary constantly.
?Frequently asked questions
What does Lisdexamfetamine (Vyvanse) look like?
White capsules (20–70 mg) with colored imprint bands
What are the signs of a Lisdexamfetamine (Vyvanse) overdose?
Racing heart, chest pain; Agitation, paranoia; Overheating Call emergency services immediately.
How addictive is it?
Dependence; prodrug design deters but doesn't prevent misuse Dependence can develop with regular use.