I will assume that you are already taking an inhaled steroid with the Serevent, for your asthma. It would not be advisable for you to take either atrovent or albuterol with Serevent, on a regular basis. However, an individual using Serevent would commonly be given albuterol as a “Rescue Drug” with asthma worsening or a frank asthma exacerbation and, likewise with atrovent, that drug is commonly used in Emergency Departments for treatment of an exacerbation
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The bottom line is that the two combinations you describe do not enhance the treatment of stable asthma and are likely to increase the incidence of drug side effects, whereas each can safely be administered to a patient on Serevent, in the midst of an exacerbation.