* already on inhaled corticosteroid medication * currently using systemic steroids (oral or intravenous or intramuscular such as prednisone) or use of steroids 7 days prior to enrolment * severely ill patients at enrollment (i.e., admitted to icu at admission) * unable to self-administer the inhaler * known or suspected pregnancy and breastfeeding * known allergy to study medication or its components (non-medicinal ingredients; including lactose allergy (type i)) * patients with untreated fungal, bacterial, or tubercular infections of the respiratory tract * current hospitalization * current use of oxygen at home or in the hospital

* already on inhaled corticosteroid medication * currently using systemic steroids (oral or intravenous or intramuscular such as prednisone) or use of steroids 7 days prior to enrolment * severely ill patients at enrollment (i.e., admitted to icu at admission) * unable to self-administer the inhaler * known or suspected pregnancy and breastfeeding * known allergy to study medication or its components (non-medicinal ingredients; including lactose allergy (type i)) * patients with untreated fungal, bacterial, or tubercular infections of the respiratory tract * current hospitalization * current use of oxygen at home or in the hospital

- already on inhaled corticosteroid medication - currently using systemic steroids (oral or intravenous or intramuscular such as prednisone) or use of steroids 7 days prior to enrolment - severely ill patients at enrollment (i.e., admitted to icu at admission) - unable to self-administer the inhaler - known or suspected pregnancy and breastfeeding - known allergy to study medication or its components (non-medicinal ingredients; including lactose allergy (type i)) - patients with untreated fungal, bacterial, or tubercular infections of the respiratory tract - current hospitalization - current use of oxygen at home or in the hospital

- already on inhaled corticosteroid medication - currently using systemic steroids (oral or intravenous or intramuscular such as prednisone) or use of steroids 7 days prior to enrolment - severely ill patients at enrollment (i.e., admitted to icu at admission) - unable to self-administer the inhaler - known or suspected pregnancy and breastfeeding - known allergy to study medication or its components (non-medicinal ingredients; including lactose allergy (type i)) - patients with untreated fungal, bacterial, or tubercular infections of the respiratory tract - current hospitalization - current use of oxygen at home or in the hospital

- already on inhaled corticosteroid medication - currently using systemic steroids (oral or intravenous or intramuscular such as prednisone) or use of steroids 7 days prior to enrolment - severely ill patients at enrollment (i.e., admitted to icu at admission) - unable to self-administer the inhaler - anticipated transfer to another hospital within 72 hours which is not a study site - known or suspected pregnancy - known allergy to study medication or its components (non-medicinal ingredients; including lactose allergy (type i)) - patients with untreated fungal, bacterial or tubercular infections of the respiratory tract

- already on inhaled corticosteroid medication - currently using systemic steroids (oral or intravenous or intramuscular such as prednisone) or use of steroids 7 days prior to enrolment - severely ill patients at enrollment (i.e., admitted to icu at admission) - unable to self-administer the inhaler - anticipated transfer to another hospital within 72 hours which is not a study site - known or suspected pregnancy - known allergy to study medication or its components (non-medicinal ingredients; including lactose allergy (type i)) - patients with untreated fungal, bacterial or tubercular infections of the respiratory tract