Anonymous 11 Apr 2012. Vyvanse, like all stimulant medications can effect the sex drive in one of two ways: amp it, or nuke it. Anything from extended erections to complete erectile dysfunction may occur depending on the patient. More common than not however, it's dysfunction that Vyvanse will cause.
Research the causes of these symptoms that are similar to, or related to, the symptom Vasovagal syncope: 1  Exertion. 2  Such as straining on the toilet. 3  Fear of bodily injury.  Having blood 1  drawn. Heat exposure.  Standing for long periods of 1  time. The sight of 2  blood. more symptoms...Â».
Signs and symptoms. Onset of symptoms one to nine days following exposure (with an average of five). Initial symptoms include changes in taste and smell, headache, fever, nausea, vomiting, and a stiff neck. Secondary symptoms include confusion, hallucinations, lack of attention, ataxia, and seizures.