双甲苯喘啶甲磺酸盐(Bitolterolmesylate,Tornalate——长效药物),1992年2月批准,是目前有效的和刚上市的药品,作为一种支气管扩张剂,它比硫酸沙丁胺醇(albuterel sulfate)药效时间更长。临床试验证明,双甲苯喘啶甲磺酸盐对多数病人有效时间为6h或更长,而对80％被研究的病人的有效时间为8h,沙丁胺醇吸入液的标签注明,它的作用在治疗后可维持近6h。不良作用:双甲苯喘啶甲磺酸盐的不良反应与其他β—肾上腺素能兴奋剂的不良反应一样。副作用包括震颤、神经过敏、头痛、眩 Bitolterolmesylate (Tornalate - long-acting drug), approved in February 1992, is currently a valid and recently marketed drug as a bronchodilator that is more effective than albuterel sulfate Pharmacological time longer. Clinical trials have shown that methotrexate mesylate is effective for 6h or more in most patients and in 80% of patients studied for 8h. The label for salbutamol inhalation indicates that it is effective in treating After nearly 6h. Adverse effects: Methotrexate Methanesulfonate adverse reactions and other β-adrenergic stimulants adverse reactions. Side effects include tremor, nervousness, headache, dizziness