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.
Re: How long does Vyvanse last for you? Vyvanse always lasts 8 hours or more for me when I take 30mg and above. __________________. All changes, even the most longed for, have their melancholy; for what we leave behind us is a part of ourselves; we must die to one life before we can enter another.yvanse's effects, including the crash and the insomnia after the crash, last a really long time for me. The positive effects only last for a couple of hours, but everything combined lasts like 14 hours for me, so I try to make myself wake up really early to take it.