Hi there Andrea,
Thank you for submitting your question. I have not personally tried vaping CBD for asthma. However, we do have a couple great resources that talk more about this topic specifically! I'll provide a link below:
https://asthma.net/natural-remedies/marijuana
I hope this is helpful,
Thank you for being apart of our community!
Sincerely.
Aleq (Asthma.net Team Member)