Opioids include both opiates (drugs derived from the opium ... are altered when you take large amounts of opioids for a long time. Withdrawal effects occur because it takes time for your body ...

Withdrawal from short-acting opioids (such as heroin) can begin between eight and 24 hours after the last use and can last ...

Opiates (derived from plants ... on whether the opioids are short-acting or long-acting, as follows: If you know someone ...