In the late 1990s in the United States, there was a prompt growth in the usage of non-prescribed and prescribed opioid drugs. This was considered as the opioid crises or opioid epidemic. Throughout the 1st 2 decades of the 2000s, this crisis continued in the country. Basically, opioids are types of drugs and robust painkillers such as heroin, morphine, fentanyl, hydrocodone, oxycodone, and codeine. In the U.S., more than thousands of individuals are being catered every day in hospitals due to the wrong usage of opioids. Despite their high risk of overdose and addiction, the availability and potency of these painkillers have made them popular as recreational drugs and medicines used for formal treatments. However, death at times and respiratory failure leading to respiratory depression may result due to its tranquilizing effects of these painkillers. Read More