Opiates such as heroin convert to morphine in the body which then activates opiate receptors located throughout the brain and central nervous system, including within the reward system.
Short-term effects produced by heroin include a surge of euphoria and clouded thinking followed by alternately wakeful and drowsy states.
Overcoming methamphetamine addiction can be difficult without drug rehab, particularly because of severe physical and mental illnesses, including suicidal depression.
When Dilaudid is injected individuals instantly feel warm and heavy and typically experience dry mouth followed by a stupor which may be accompanied by restlessness, nausea, and vomiting.