Mullein oil (anti-catarrhal remedy) externally used for household remedy for ear infection, itching and painful inflammation with fetid discharge of pus. Internally used for uro-genital trouble like irritation of the urinary tract, involuntary dribbling of urine, burning urination and nocturnal enuresis (bed wetting) in children, especially during night. Internally, it also relieves catarrhal conditions, cough and cold.