preliminary administration of nifedipine at a dose of 20 mg was noted to result in the prolongation of a bronchodilating effect of salbutamol inhaled at a dose of 200 micrograms , not influencing a degree of its expression . it has been assumed that prolonged use of nifedipine would result in reduced requirements of ba patients in inhalation sympathomimetics .
C0001927
salbutamol
C0004096
ba