Cocaine can be dangerous by itself, but when combined with other drugs — which is called polysubstance use — it can be deadly. Cocaine is often mixed with heroin in what is called a speedball. According to the Substance Abuse and Mental Health Services Administration’s 2018 National Survey on Drug Use and Health, about 5.5 million Americans had used cocaine within the past year. During the detox period of cocaine addiction treatment, it’s important to have a team of professionals prepared to assist you through your discomforts.