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.
You experience a sudden loss of weight for no apparent reason. Your weight dropped by several or more pounds in a short amount of time. For no apparent reason, youâve lost several or more pounds. Due to your struggle with anxiety, youâve lost a lot of weight. Youâve lost 15 or more pounds due to being anxious.