If you notice unexplained changes in physical appearance or behavior, it may be a sign of substance use – or it could be a sign of another problem. You will not know definitively until a professional does a screening.

Physical Signs

• Change in sleeping patterns
• Bloodshot eyes
• Slurred or agitated speech
• Sudden or dramatic weight loss or gain
• Skin abrasions/bruises
• Neglected appearance/poor hygiene
• Sick more frequently
• Accidents or injuries

Behavioral Signs

• Hiding use; lying and covering up
• Sense that the person will "do anything" to use again regardless of consequences
• Loss of control or choice of use (drug-seeking behavior)
• Loss of interest in previously enjoyed activities
• Emotional instability
• Hyperactive or hyper-aggressive
• Depression
• Missing school or work
• Failure to fulfill responsibilities at school or work
• Complaints from teachers or co-workers
• Reports of intoxication at school or work
• Furtive or secretive behavior
• Avoiding eye contact
• Locked doors
• Going out every night
• Change in friends or peer group
• Change in clothing or appearance
• Unusual smells on clothing or breath
• Heavy use of over-the-counter preparations to reduce eye reddening, nasal irritation, or bad breath
• Hidden stashes of alcohol
• Alcohol missing from your supply
• Prescription medicine missing
• Money missing
• Valuables missing
• Disappearances for long periods of time
• Running away
• Secretive phone calls
• Unusual containers or wrappers