The drug boosts the body’s levels of two “brain chemicals,” dopamine and norepinephrine - the same thing that occurs with nicotine. Actions of these chemicals in the brain give people a sense of energy and well being. Nicotine produces the same feelings.
According to the advertisements, using bupropion allows smokers to get the same feeling, while weaning them off nicotine. For many people, this helps to reduce withdrawal symptoms and lessens the urge to smoke.
But like other nicotine replacement products, the stop smoking pill should be used in combination with a quit-smoking behavior modification program.
In one study, the stop smoking pill helped more smokers to quit than the nicotine patch. Using both the pill and the patch was even more effective, but the combination poses the risk of increasing blood pressure.
Zyban is usually taken twice a day - one pill in the morning and one in the early evening. It takes about a week for the pill to reach an effective level in the body. So smokers must start taking the pill before they quit smoking. Then you set a Quit Day within one to two weeks after starting treatment. Most smokers then take the pill for a total of seven to twelve weeks.
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