varenicline, a smoking cessation agent. ▪ INDICATIONS: This drug is used as a smoking deterrent. ▪ CONTRAINDICATIONS: Eating disorders and known hypersensitivity to this drug prohibit its use. ▪ ADVERSE EFFECTS: Adverse effects of this drug include headache, agitation, dizziness, insomnia, abnormal dreams, fatigue, malaise, arrhythmias, hypertension, palpitations, tachycardia, angina, hypotension, tinnitus, anorexia, increased or decreased appetite, flatulence, gastroesophageal reflux disease, erectile dysfunction, urinary frequency, menstrual irregularities, rash, pruritus, weight loss or gain, dyspnea, and rhinorrhea. A life-threatening side effect is myocardial infarction. Common side effects include blurred vision, nausea, vomiting, dry mouth, and constipation.
