I've had one for several years. Peak flow at or below a certain point and I neb. If it is at the red level and I can't bring it to yellow, call doc or go to hospital.
If it stays in the yellow after 2 nebs, call doc stat. Really easy for me to figure out when my asthma is making it hard to think. DH knows the levels as well, so can help in decision making if needed.
This also gives me a feeling of some way of knowing how things are doing, as opposed to feeling as if the asthma is controling me.
If it is to be, it is up to me!
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