Signs of drug abuse

Blood shot eyes can be a sign of drug abuse. The blood vessels on the surface of the eye dilate in response to the use of certain drugs, making the eyes appear red.

Review Date: 08/02/2009
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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