Form and how it is taken
White powder
Injected into veins
Smoked
Snorted
Heroin
Other names
Depressant
Dope, h, slow
Immediate effects
Low doses
Intense pleasure, confusion, dry mouth, decreased heart rate and blood pressure
Higher doses immediate effects
Overdose
Long term effects
Dependence, sadness, damage to heart, lungs, kidney, brain and nasal lining.