Talk to your doctor or pharmacist if you are taking other medicines such as theophylline, clozapine, ropinirole, tacrine, insulin, imipramine, olanzapine, clomipramine, fluvoxamine, flecainide or pentazocine.
Also note that when you stop smoking, medicines which you are taking – even those you buy without a prescription – may work differently in your body. It is best to consult your doctor or pharmacist.
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