Natural Asthma Remedies: Effective Herbal & Supplement Relief

Frankincense or Myrrh essential oil Inhalation

In a practical inquiry into disordered respiration, first published in 1797, Bree noted that historically many physicians, from Hippocrates onwards, had recommended inhaling vapours from frankincense, myrrh and various gums in order to treat both asthma and phthisis (pulmonary tuberculosis or a similar progressive systemic disease).27

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2844275/