Vyvanse is the U.S. brand name for the generically named drug lisdexamfetamine dimesylate. The medication may be prescribed for children and adults who suffer from attention deficit/hyperactivity disorder, known commonly as ADHD. Vyvanse, classified as a stimulant of the human central nervous system, works to concentrate the person's attention as well as to reduce the restlessness associated with ADHD. MayoClinic.com reports that Vyvanse should be prescribed in conjunction with psychological, educational and social treatments for the ADHD sufferer.
Addiction
Because Vyvanse is a nervous system stimulant and typically is prescribed for long-term treatment of ADHD, it can become addictive. The patient may develop an emotional, mental and physical dependence upon the medication. MedlinePlus recommends that Vyvanse be used in the exact way prescribed by the doctor to help avoid the potential of addiction.
Sleeping Problems
Vyvanse is a stimulant, so it can interfere with a person's normal sleep patterns. It can prevent sleep or it can interrupt sleep. This classifies as a non-serious side effect of the medication, MayoClinic.com reports. It should occur as a temporary problem and recede as the person's body becomes acclimated to the drug. The patient may try taking Vyvanse in the morning rather than later in the day to allow the medicine time to take effect before sleep is attempted.
Constipation and Diarrhea
The person using Vyvanse may experience a common non-serious side effect of the drug that occurs with many stimulants. His bowels may function incorrectly when he begins his treatment with Vyvanse. The most common manifestation of this is constipation, although diarrhea may occur instead, Drugs.com reports. The organization suggest contacting the doctor if either bowel problem seems severe or becomes persistent.
Dizziness and Shaking
MedlinePlus reports that Vyvanse can cause the user to become dizzy upon early use of it. This may cause disorientation and nausea, as well as provide the potential for falls and injuries. The medicine also can cause the patient to experience uncontrollable shaking. These side effects should cease without the intervention of a doctor.
Appetite Problems
A patient also may lose his appetite, MedlinePlus states, or feel a decrease in hunger, Drugs.com reports. Appetite changes may occur as early non-serious side effects of the drug and they may cause some weight loss. If normal appetite does not return, the person should consult the doctor.
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