Utilizing a prescription drug in a way not intended by the doctor can cause abuse of the drug for example, snorting Vyvanse. Snorting or smoking Vyvanse is not recommended because of the risk and negative side impacts. Snorting Vyvanse can cause lung damage and lead to other negative health consequences. In addition, Vyvanse can be addictive So it's crucial to consult a doctor before beginning to take Vyvanse to make sure it's the right medication for you. Vyvanse could also cause unpleasant adverse effects like headaches, nausea and insomnia. The long-term effects of it remain a mystery. Because of that, taking a snort of Vyvanse is not recommended. https://welevelup.com/rehab/snorting-vyvanse/