Det anbefales at finde den mest hensigtsmæssige dosis inhalationssteroid, før der anvendes en fast kombination hos patienter med svær astma.
Viani 50/ 100 micrograms strength is not appropriate in adults and children with severe asthma; it is recommended to establish the appropriate dosage of inhaled corticosteroid before any fixed combination can be used in patients with severe asthma.