Signs of Drug Use: Injection sites - track marks Appears intoxicated/´stoned´ Eyes - red, watery, dull, bright, staring, heavy, vacant, pin-point or dilated pupils Poor complexion Skin complaints - ´glue rash´ Weight loss Loss of Appetite Runny nose Appears ill/drawn Wasted muscles ´Nodding off´ Swollen/damaged hands Impaired co-ordination Steroids Increase weight Increase size Well developed muscles Acne on backBehaviour signs Mood swings Inappropriate or unpredictable behaviour Lack of concentration Loss of interest in usual activities Sudden change of personality Tiredness Depressed, lethargic Happy, content Irritable Paranoid Overactive Withdrawn Work or school performance deteriorates Social relationships deteriorate Involvement in crime Aggressive Excitable Energetic The difficulty is that these signs are very often a natural part of growing up, so a young person who is not using drugs could show the same changes. Other indicators: Evidence of substance or method of use - smell, glue on clothes, blood or burns on clothes, burnt tinfoil, discarded ´wraps´, syringes Addiction to exercise