A sign is something others, like the doctor, see, whilst a symptom is something that the patient discerns and explains. Example is the case of dilated pupils being a sign while constant sleepiness is a symptom.
Drug Addiction - an addicted person cannot resist or restrict himself to the intake of the substance be it drug, alcohol, cigarette. They keep taking it, despite the fact that it might bring about mischief (the individual could conceivably know about the potential damage).
Drug addiction makes the body have a strong desire for the substance. It's possible that the addict wants to stop taking the substance but finds it really hard to do so on his or her own.
Personal circumstances, genetics, and the specific substance being used are all things that can determine how the signs and symptoms of abuse will manifest in an individual.
These are some of the possible signs and symptoms of alcohol addiction:
Those who are addicted to alcohol and drugs on a technical manner may be exposed to the aforementioned dangers, but the severe urge to consume drugs and the withdrawal symptoms witnessed by an addict may not be present.