Hangzhou KD Pharmchem Co.,Ltd. Help Aruba Small Customer Growth Plan, We are a professional TOLTRAZURIL from China manufacturers/suppliers, for TOLTRAZURIL OEM&ODM/wholesale prices. Hi! Combivent contains Ipratropium Bromide and Albuterol Sulfate while Proair HFA is also Albuterol Sulfate. Hence there is no need to combine both the drugs The Role of Ipratropium Bromide in the Emergency Management of Acute Asthma Exacerbation: A Metaanalysis of Randomized Clinical Trials.