I had a FeNo reading of 142 and am tested once every 3 months. Has anyone got experience or recommendations of the home test machines? Is there a cheap one on the market, second hand, or can I rent one?
Thanks x
I had a FeNo reading of 142 and am tested once every 3 months. Has anyone got experience or recommendations of the home test machines? Is there a cheap one on the market, second hand, or can I rent one?
Thanks x