Q What happens when a heroin addict stops taking heroin?
Withdrawal symptoms of heroin addiction include mood changes, aches and pains, excessive bodily fluids (sweat, tears, coryza), diarrhoea, stomach pain, nausea, vomitting, fever, restlessness and insomnia. The withdrawal symptoms will begin 6 to 12 hours after the last dose, peaking within 1 to 3 days, and gradually subsiding over 5 to 7 days. However, some users experience weeks or months of withdrawal symptoms.