Moderate amounts of coffee are safe for people living with asthma. And, coffee may actually even be a little good for your asthma. Remember, coffee or caffeine should never replace your asthma medications. But most people can sip on a delicious cup of coffee without worrying that it will make their asthma worse.

Can caffeine cause difficulty breathing?

Carter says this quick hit of caffeine is dangerous because the substance acts as a stimulant, and too much stimulation can lead to tachycardia, or racing heart, which potentially causes shortness of breath and even cardiac arrest.

Does caffeine trigger asthma?

Authors' conclusions. Caffeine appears to improve airways function modestly, for up to four hours, in people with asthma. People may need to avoid caffeine for at least four hours prior to lung function testing, as caffeine ingestion could cause misinterpretation of the results.