Vanessa Sellick has pushed for product information and warnings on the medication packet since her son Harrison became suicidal after taking it from the age of two.
Authorities are considering adding warning labels to the common asthma drug montelukast due to its link with depression, nightmares and suicidal thoughts.
Harrison attempted suicide when he was five Why this asthma drug was linked stuff.co.nz - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from stuff.co.nz Daily Mail and Mail on Sunday newspapers.