In Summary. Common side effects of Vyvanse include: insomnia and irritability. Other side effects include: dizziness, weight loss, and xerostomia. See below for a comprehensive list of adverse effects. For the Consumer. Applies to lisdexamfetamine: oral capsule.
Examples of involuntary weight loss include the weight loss associated with cancer, malabsorption (such as from chronic diarrheal illnesses), and chronic inflammation (such as with rheumatoid arthritis).eight loss: Weight loss is a decrease in body weight resulting from either voluntary (diet, exercise) or involuntary (illness) circumstances.
Unintentional weight loss could be a sign of serious illness or disease, or it could be something as minor as a stomach virus. Unintentional weight loss is most prevalent in people with pre-existing medical conditions. Some people who experience this symptom suffer from a variety of diseases including cancer, AIDS, and depression.