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.
Hypothyroidism is an endocrine condition that can cause you to gain weight suddenly. According to the University of Maryland Medical Center, hypothyroidism occurs when your thyroid gland--the butterfly-shaped gland that is located at the front of your neck--fails to produce sufficient amounts of thyroid hormone.olycystic ovary syndrome can cause sudden weight gain. MayoClinic.com states that PCOS is the most common hormonal disorder affecting women of reproductive age. PCOS is named for the appearance of the ovaries in most, but not all, women with this condition.