1 mg is an insane dosis. No wonder you had to endure that shit.
A study suggests that doses as low as 0.25-0.4 mg/kg are sufficient: http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2133.2010.....
A study suggests that doses as low as 0.25-0.4 mg/kg are sufficient: http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2133.2010.....