Most deaths as a result of inhalant abuse are due to repetitive inhalation, which can lead to extremely high concentrations of inhaled fumes, which displaces the available oxygen in the lungs.
There is no physical withdrawal from Crack or Cocaine as there is with other drugs such as heroin. The withdrawal symptoms are more of a psychological nature rather than physical including an intense hunger, irritability, fatigue, long but disturbed sleep
New heroin users are often under the false impression that snorting or smoking heroin will not lead to addiction.
It is unknown whether Ativan passes into breast milk or whether it could potentially harm a nursing baby, so use of this medication could present risks too both mother and child.