Vyvanse has fewer side effects than other ADHD medicines; however, it has its share of severe side effects as well. If you are going to use this drug, you should compare the severe risks associated with it to the benefits you will obtain. Although, the intense side effects rarely occur. Therefore, you are still safe. Sometimes, these side effects may prove deadly but as mentioned before the chances are very slim.
Serious vyvanse side effects include allergic reaction, mood swings, it means one day you may feel intense depression and then the next day you may feel lazy and uninterested in everything. Other severe side effects are hallucinations and severe migraines.
Like common side effects of Vyvanse, severe side effects are also fewer than those of intense ADHD medication. Moreover, most of the severe Vyvanse side effects occur due to an intense reaction, which is something that everybody is likely to suffer from who takes a medicine. To avoid these side effects, meet your doctor and act upon his advice and prescriptions.