I just started a 24-hour urine collection test to check out my adrenals/cortisol/steroid production but my asthma is starting to act up so I should start back on my asthma med which would make the test invalid. I've decided I can wait until tomorrow morning, after the 24-hour test is finished to start my asthma med but things get worse at night. Ugh, going to be another bad night, up every 3 hours or so In August I had to go to the emergency room for the asthma when it got to 2 hours apart using my albuterol but that was before I had the steroid med.