There are differing reports regarding the exact ingredients of whoonga. Some reports mention only dagga (marijuana)being used as a base while others say it is heroin or even a cocktail of heroin and crystal meth and that dagga is merely smoked together with it rather than being the base drug. The base drug is stretched with various other substances that may include rat poison and powdered detergents and in particular anti-retroviral drugs used for AIDS treatment. The drug is described as highly addictive. It dangerous because it decreases both the heart and lungs of users resulting in fatal consequences.