Many times it is overdose, or the body cannot handle the type of drug one may take. The most restricted drugs are the Schedule I drugs. Example: A highly addictive opioid is heroine. Opioid's include heroin and many prescription drugs such as Oxycodone, hydrocodone, codeine, morphine and fentanyl.
All are members of the same chemical family, these drugs interact with the opioid receptors on both the body and the brain.
Though opioids ring a reduction in pain. These drugs also cause changes in your blood pressure in terms of lowering it acutely, and can bring changes in heart rhythm.
Chronic usage of these drugs can cause slowing of the electrical activity in the brain. It can cause changes in your hormone system. And it causes many seizures after abrupt usages.
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