A symptom is something the patient senses and depicts, while a sign is something other individuals, for example, the specialist take notice of. Example is the case of dilated pupils being a sign while constant sleepiness is a symptom.
Substance dependence is when someone is addicted to a something like drugs or alcohol and they are not able to control their use of the substance. They keep taking it, despite the fact that it might bring about mischief (the individual could conceivably know about the potential damage).
Being dependant on a substance can lead to strong cravings. Addicts may desire to quit (give up), however experiences it very hard to do without assistance.
The clues and indicators that someone is addicted differ from one person to the other, depend on the drug, the genes of the individual and status in life.
These are some of the possible signs and symptoms of alcohol addiction:
Certain alcohol or substance abusers who aren't technically addicted might also be affected by or cause a few of the above-mentioned descriptions, though these abusers don't generally experience the withdrawal symptoms of addicts or the exact same obsession to use the substance.