Some abused drugs are legal substances such as benzodiazepines, barbiturates, amphetamines and pain-killers. In pregnancy, the continued use of these substances can cause mild to major problems for the mother and for the unborn child. Frequent Signs and Symptoms Depend on the substance of abuse. Relief from anxiety. False feelings of self-confidence.
Some people seem to be more susceptible to dependency than others.
With The type, frequency and the method of use of certain drugs, e.g., cocaine. Illness requiring prescription pain relievers or tranquilizers. Family history of drug abuse. Some persons may be more susceptible to addiction. Excess alcohol consumption.