Pure heroin (diacetylmorphine) is a white powder with a bitter taste abused for its euphoric effects. Heroin, a highly addictive drug, is derived from the morphine
alkaloid found in opium
poppy plant (Papaver somniferum
) and is roughly 2 to 3 times more potent than morphine. It is usually injected, smoked or snorted up the nose. It exhibits euphoric ("rush"), anti-anxiety and pain-relieving properties.