What are the possible side effects of lisdexamfetamine (Vyvanse)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using lisdexamfetamine and call your doctor at once if you have any of these serious side effects: • fast, pounding, or uneven heartbeats; • decreased blood pressure (feeling light-headed, fainting); • dangerously high blood pressure (severe headache, blurred vision, buzzing in your ears, anxiety, confusion,…