Overdose is much more likely. When used in combination these drugs can make one another stronger and lead to dangerous supression of the central nervous system, specifically influencing heart rate and breathing. Mixing depressants can be deadly due to compounded CNS depression. Sedatives Heroin is especially dangerous when used in combination with other drugs that suppress breathing. The effects are additive and the chance of overdose is drastically higher.
Some heroin is brown in color.
Its legal status is controlled. And it is a Schedule 1 substance. A schedule 1 narcotic is a drug which as high potential for abuse, has no currently accepted medical use in treatment in the United States and has a lack of accepted safety for use of the drug under medical supervision. Smoking opiates has been dates as far back as 1000 and 300 BC from opium-smoking pipes recovered from archeological sites in Asia, Egypt and Europe. The use and abuse of was popularized in the Middle Ages.