22/12/2014
What Is Wellbutrin in China ?
Wellbutrin is the brand name for bupropion, a prescription antidepressant drug that’s used to treat depression and seasonal affective disorder — a type of depression that usually strikes in the fall and winter.
Under the brand name Zyban, bupropion has also been prescribed to help people quit smoking. Wellbutrin and Zyban, both made by GlaxoSmithKline, should not be taken together.
Available as a standard pill and in a sustained-release or long-acting extended-release tablet, Wellbutrin belongs to the aminoketone class of antidepressants, which are chemically unrelated to the better-known selective-serotonin reuptake inhibitors (SSRIs), such as Prozac, Paxil, or Zoloft.
Wellbutrin mobilizes the brain chemicals norepinephrine and dopamine, but exactly how it works to treat depression is not known.
Doctors have also prescribed Wellbutrin "off label" to treat attention deficit hyperactivity disorder (ADHD), and in tandem with other medications — particularly SSRIs — to treat bipolar disorder.
The Food and Drug Administration (FDA) originally approved Wellbutrin as a treatment for depression in 1985, but it was withdrawn from the market in 1986 amid findings that it increased the frequency of seizures in non-depressed bulimic patients at the originally recommended dose of 400-600 milligrams a day.
The FDA reapproved Wellbutrin in 1989 with a lowered daily dose and a warning about the increased risk of seizures. It approved the sustained-release version of Wellbutrin in 1996 and the extended-release version in 2003. In 2006, Wellbutrin was the first drug the FDA approved for the treatment of seasonal affective disorder.
Wellbutrin (Bupropion) Warnings
Since 2004, Wellbutrin, like other antidepressants, is required to carry a "black box" warning about an increased risk of suicidal thinking and behavior in children, teenagers, and young adults between the ages of 18 and 24, and about the need to monitor patients taking antidepressants for signs of any worsening of their depression, and for the emergence of suicidal thoughts, especially in the first few months of treatment, or when the dose is either increased or decreased.
The "black-box" warning also extended to Zyban, which contains the same ingredient as Wellbutrin and is made by the same company (Wellbutrin is not FDA-approved as a smoking-cessation aid in the United States).
You should tell your doctor about all the prescription and over-the-counter drugs, vitamins, illegal and recreational drugs, and dietary supplements you're taking, especially if you're on monoamine oxidase inhibitors (MAOIs), such as Marplan (isocarboxazid), Nardil (phenelzine sulfate), the antibiotic Zyvox (linezolid), or whether you stopped taking one of these drugs in the 14 days before you begin taking Wellbutrin.
People who have had a seizure or epilepsy, an eating disorder such as bulimia or anorexia nervosa, or are using or withdrawing from alcohol or certain drugs used to treat anxiety, seizures, and insomnia such as Xanax, Va**um, and Ativan, are generally not good candidates for Wellbutrin.
Also be aware that Wellbutrin can cause false-positive urine tests for amphetamines.
Your doctor also needs to know if you have liver or kidney disease (which would require certain precautions), are taking insulin for diabetes, are taking other antidepressants, or are using a ni****ne patch, which can increase the risk of high blood pressure.
Pregnancy and Wellbutrin (Bupropion)
Wellbutrin is in Pregnancy Category C, according to the FDA, which means that harm to a woman’s fetus cannot be ruled out. Nonetheless, the drug’s benefits to the mother may outweigh the potential risks to her developing fetus.
Data from population studies of pregnant women taking Wellbutrin in the first trimester indicated no increased risk of congenital malformations. A 2010 study in the American Journal of Obstetrics and Gynecology suggested a link between Wellbutrin taken in the first trimester and congenital heart defects but found that more data was needed to confirm a connection.
Wellbutrin is present in breast milk, and there’s some evidence that it may cause seizures in babies; it may also reduce the amount of breast milk a mother produces.
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