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.
Most peopleâs definition of starvation mode goes something like this: To lose weight, you need to consume less calories. BUT, if you consume TOO few calories, your metabolism slows down so much so that your body enters a state where weight loss stops completely.Some people also believe being in this state of not eating enough calories not only prevents weight loss from happening, but it can also cause weight gain.So basically, eating too little prevents your body from losing weight. In some cases, it might even cause it to gain weight.âve been lucky (or unlucky) enough to have heard most of those excuses and fake reasons over the years, but Iâve found that there are two that seem to come up more often than the rest: 1  Muscle Weighs More Than Fat. 2  Starvation Mode.