Abstinence syndrome is the set of physical or bodily reactions that occur when a person addicted to a substance (alcohol, tobacco or drugs) stop consuming. Although symptoms vary in shape and intensity depending on the product used and the time it takes to develop dependence, in all cases are due to have altered the normal functioning of the nervous system.
In general, the compounds have addictive substances like neurotransmitters (chemicals used by neurons to communicate among themselves) responsible for triggering the activity of brain reward centers or pleasure, which allow the expression of emotions rewarding as enthusiasm, joy and serenity. Precisely why some people use them to face difficult times.However, frequent use of drugs or alcohol snuff requires increasing amounts to achieve the same effect, this fact is known as tolerance, and occurs because addictive substances gradually replaced the creation of neurotransmitters that trigger feelings of well being. Consequently, the patient loses the ability to experience joy and tranquility in a natural way, creating a dependency or compulsive use to not suffer a number of ailments such as anxiety, nervousness, hallucinations, sweating, tremors, chills, trouble sleeping, vomiting and others that, taken together, form the withdrawal.
It should be noted that substance abuse does not always create physical dependence but psychological, which is based on the continued desire to consume a chemical to deal with situations that create discomfort. Although it is also very difficult to overcome, has the peculiarity that when you stop using the drug is not present changes in the body, ie, no withdrawal, only emotional and behavioral disorders.
Neonatal abstinence syndrome. When a pregnant woman is an addict, consuming substances into the bloodstream of the fetus through the placenta. At birth, the baby’s dependence on the drug continues, but no administration, as have various disorders in the nervous system and your body in general.