The most lethal overdoses are associated with Fentanyl, Heroin, and Cocaine. 

Fentanyl is a strong and highly addictive opioid. Heroin is an opioid as well and is the leading cost of death in individuals with a substance abuse disorder. Cocaine is a stimulant that comes in a white powder substance. 


Fentanyl is the leading cause of the most deaths by substance in the US.  The opioid is 50 to 100 times more potent than heroin and morphine. Taking its nature of potency and with the drug being combined with Heroin, Cocaine, and other substances on the street, you really don’t know the potency of what you have. 


Heroin is also known as “black,” and comes in a white powder form, but other types of Heroin (black tar Heroin) are brown in color. Heroin is very similar to fentanyl but is a much “dirtier drug” since, on the street, it is combined with multiple additives to make you addicted. 


Cocaine was introduced in the 1970s and since then, it has been in the top leading causes of death. Cocaine now is being laced with fentanyl and sometimes heroin as well. It can cause cardiac arrest, convulsions, stroke, and even death. 

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