Severe asthma and acute attacks: diagnosis and management in adults and children
Patients who continue to have symptoms with frequent attacks of asthma despite being adherent to treatment with multiple asthma medications, have severe asthma. Severe asthma has significant implications for the affected individual and utilise a disproportionate share of the health care costs associated with asthma.
South African Family Practice Vol. 49 (5) 2007: pp. 36-40