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.
New York, New York, United States. 1  fatigue. 2  joint and neck pain. 3  muscle pain.  ringing in the 1  ears. eye floaters/blurried vision.  unable to recall 1  words. unable to follow/understand directions.  severe weight gain due to severely fluctuating 1  hormones. then severe weight loss due to severely fluctuating hormones.