Active Ingredient: Arsenicum Album Hpus 6c/12c/18c..............wheezing, Anxiety, Inflammation In The Airways Histaminum Hydrochloricum Hpus 6c/12c/18c...........persistent, Dry, Fitful Cough House Dust Mite 6c/12c/18c...........................................allergies Magnesia Phosphorica Hpus 6c/12c/18c.......tightness In Chest, Spasmodic Cough Nux Vomica Hpus 6c/12c/18c.................shallow Breathing, Dry Hacking Cough, Nervousness Quebracho Hpus 6c/12c/18c......difficulty Breathing, Shortness Of Breath Sulphur Hpus 6c/12c/18c................difficult, Irregular Respiration