[de.malady]

having history of respiratory difficulties in childhood and the present chief complaints of cough, breathlessness, chest tightness, significance of -salbuterol- suggests, it must be a case of -Asthma-; ;

short-acting B2 antagonists are needed [ salbutamol];
high concentration o2 therapy may also be useful in her case;
if condition does not improve, oral corticosteriods should be given [prednisolone];
she should visit her doctor frequently for review of medications and necessary teachings to prevent any incident
regarding her pregnancy..