Here are six of the most deadly combinations, there are a few that most people don't even think about and they are likely to be deadly if the warnings are not heeded.
1. Benzodiazepines and Alcohol - also known as benzos
2. Opiates and Alcohol - including illegal heroin, and prescription painkillers like OxyContin, Vicodin, and hydrocodone
3. Antidepressants and Alcohol - such as Zoloft, Prozac, or Xanax
4. Stimulants and Alcohol - Ritalin, Adderall, meth, speed, and cocaine speed