Fiber is the part of fruits, vegetables and grains not digested by your body. A low-fiber diet restricts these foods. As a result, the amount of undigested material passing through your large intestine is limited and stool bulk is lessened.
Read More. They all increased his ticks tremendously. We switched over to vyvanse and that seemed so much better for the ADHD and the tics were still there but not nearly as bad. He also has been diagnosed with ODD and so at the Tourette's clinic they prescribed him a low dose of risperidone.
Insomnia is a common side effect of Vyvanse â¢ (lisdexamfetamine dimesylate). Clinical studies have shown that up to 19 percent of children and up to 27 percent of adults taking Vyvanse experienced insomnia, compared to just 3 percent of children and 8 percent of adults not taking the drug.nsomnia is a common side effect of Vyvanse â¢ (lisdexamfetamine dimesylate). Clinical studies have shown that up to 19 percent of children and up to 27 percent of adults taking Vyvanse experienced insomnia, compared to just 3 percent of children and 8 percent of adults not taking the drug.