Most asthma medications do not prevent people from donating blood. As long as one is not experiencing asthma symptoms, one can donate blood. Consult the doctor for more information.
How is asthma diagnosed?
How can I make sure that my child doesn't have an asthma attack in school?
Can you have asthma attack if you have mild asthma?
I find it difficult to draw breath when I'm around incense sticks (agarbattis). This hasn't happened before. Do I suddenly have a problem?
Does asthma come and go?
Will I ever be able to get rid of my COPD?