'Viagra has not been tested on boys that age,' he added. 'In terms of dysfunction, it is not likely to have any particular effect. But it could combine with other medication which could be potentially fatal.
If my son did something like that, I would be quite horrified.' 'In adults, it has been shown to be dangerous when combined with medication for some heart conditions. One father, whose son attends Forest School but was not involved in the incident last Thursday, said: 'Parents should teach their children more about what they are taking and the dangers of taking anything like Viagra, even check their rooms if necessary.' The incident also led to calls for parents to keep a closer eye on medication kept at home.