Can My Father Use Levolin Inhaler For Quick Relief From Acute Breathlessness Due To Mango Pollen Allergy?

hi my father is allergic due to mango pollen season and generally takesn montair lc but some time breath less ness is acute which normalise after some minutes doctor advised us to take prednisolone 10 mg ttablet for shortness of breath . can he take levonlin inhaler or fast releif from this breaath less ness in case of emergnency