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Signs that a person is using substances such as drugs or alcohol include behaviour changes and physical changes. Substance use is more likely to cause changes in behaviour than physical signs.
These may include:
These signs don't always mean that a person is using substances. The behaviour could be due to work or school stress. Or it could be a sign of depression or another medical condition. But behaviour changes like these are common in people who use substances.
Current as of: March 22, 2023
Author: Healthwise StaffMedical Review: William H. Blahd Jr. MD, FACEP - Emergency MedicineAdam Husney MD - Family MedicineMartin J. Gabica MD - Family MedicineKathleen Romito MD - Family MedicineH. Michael O'Connor MD - Emergency MedicineChristine R. Maldonado PhD - Behavioral Health
Author: Healthwise Staff
Medical Review:William H. Blahd Jr. MD, FACEP - Emergency Medicine & Adam Husney MD - Family Medicine & Martin J. Gabica MD - Family Medicine & Kathleen Romito MD - Family Medicine & H. Michael O'Connor MD - Emergency Medicine & Christine R. Maldonado PhD - Behavioral Health
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