Chamomile may cause allergic reactions, and some people have reported anaphylaxis (a severe, whole-body allergic reaction that can be deadly) from its use.
Chamomile may cause allergic reactions, and some people have reported anaphylaxis (a severe, whole-body allergic reaction that can be deadly) from its use. Avoid using chamomile if you take blood thinners or the antirejection drug cyclosporine. It can negatively interact with these medications.