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Substance abuse can manifest itself in physical, emotional, and psychological ways. Let’s look at them separately; however, remember that there are other signs, so none of these lists should be considered all-inclusive.
Physical: While it is true that some of the symptoms listed mimic actual illnesses, taken with the emotional and psychological symptoms, they can be considered as caused by substance abuse:
*Excessive sniffling or a runny nose: This can be a sign of drug use where the drug being used is inhaled through the nose.
*Bloodshot eyes: Can be a sign of alcohol abuse, marijuana abuse, or sleeplessness caused by using any number of drugs.
*Excessive sweating: Can be a sign of withdrawal (in other words, the person is needing to take more drugs).
*Muscles tremors (“twitching”): Can occur with methamphetamine use or as a sign of the “DTs”—severe alcohol withdrawal.
*Extreme weight loss: Caused by not eating at all or not eating enough because the body is not sending hunger signals.
*Sores, scabs, or physical signs of injection on the body, especially in the crook of the elbow or other places where easy access to a vein is possible.
Emotional and Psychological: Since many of these symptoms can actually be both emotional and psychological, they are listed together:
*Inappropriate reactions to immediate situations, such as laughing at a serious moment, or unexplained crying when there is really no good reason.
*Little or no reaction to any situation, immediate or otherwise.
*Paranoia.
*Hallucinations. This is often common when a patient is suffering from alcohol withdrawal.
*Extreme mood swings, from happy to sad or extreme anger when it is unwarranted.
Inability to remember recent events. This can occur after excessive drinking; it is sometimes referred to as “blackout.”





