A sign is something other people, like a doctor, notice while a symptom is something that the patient describes. To give an example, enlarged pupils can be a sign, whilst sleepiness can be 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).
Drug addiction can lead to strong cravings. Addicts may desire to quit (give up), however experiences it very hard to do without assistance.
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:
A person, because they indulge in alcohol or drugs may exhibit some or all of the above symptoms and not be certified addicts, but they will not display any of the withdrawal symptoms or the associated craving.