All kids try hypersal in clinic for the first time at our center since it can cause bronchospasm, especially for people that have issues with a lot of inflammation/asthma. Emily did pft's, albuterol, pft's, hypersal, pft's. She had a productive cough and junk draining from her sinuses that first session and her pft's were fine, so we were given the green light to start. It's been a great tx for her and helps her clear so much stuff when she is sick, and more when she's healthy than she used to before.
The only time we have been instructed to stop is if she has bleeding, but in her case it's not the hypersal that causes it (she was starting with it before ever doing hypersal), it's only when she is severely ill and we have to stop some of her other tx as well.