Fortunately, most sore throats are caused by a minor illness and go away without medical treatment. Several conditions can cause a sore throat. Sore throats may be caused by a viral illness, such as: 1  The common cold, the most common type of viral infection. 2  Infection of the voice box (laryngitis).3  Mononucleosis (mono, the kissing disease), a viral infection that tends to cause a persistent sore throat.ortunately, most sore throats are caused by a minor illness and go away without medical treatment. Several conditions can cause a sore throat. Sore throats may be caused by a viral illness, such as: 1  The common cold, the most common type of viral infection. 2  Infection of the voice box (laryngitis).
Common Vyvanse side effects may include: 1  dry mouth, loss of appetite, weight loss; 2  sleep problems (insomnia); 3  dizziness, feeling irritable; or.  nausea, vomiting, stomach pain, diarrhea.
Vyvanse Side Effects. The most common side effects of vyvanse include decreased appetite, found in 39 percent of patients, insomnia in 27 percent, dry mouth in up to 26 percent, stomach or abdominal pain in 12 percent, headaches in up to 12 percent and irritability in up to 10 percent of patients.yvanse is the brand name for the drug lisdexamfetamine. This capsule will be taken orally once a day, typically first thing in the morning. You should not take vyvanse with food to ensure that it absorbs properly into your system.