Sara Bellum
January 11 2010

The SBB has already told you about some of the nasty effects that methamphetamine can have on the body—remember that post about how scavengers won’t even eat the dead bodies of meth users?

Not only can meth mess up your body’s chemical structure and even cause problems with your heart and lungs, it also changes your appearance and behavior. Soon, meth users might not even look or act like themselves.

Bad news for teeth and skin

Ever heard of “meth mouth?” It isn’t pretty. Meth reduces the amount of protective saliva around the teeth. People who use the drug also tend to drink a lot of sugary soda, neglect personal hygiene, grind their teeth, and clench their jaws. The teeth of meth users can eventually fall outeven when doing something as normal as eating a sandwich. As if that’s not bad enough, meth can also cause skin problemsand we’re not just talking about regular zits.

Take a look at these pictures from the Department of Justice—but be aware, they're disturbing!

Meth users’ skin can start to look like this because they frequently hallucinate—or strongly imagine—that they’ve got insects creeping on top of or underneath their skin. The person will pick or scratch, trying to get rid of the imaginary “crank bugs.” Soon, the face and arms are covered with open sores that could get infected.

No peace of mind

In addition to the “crank bug” hallucinations, long-term meth use leads to problems such as irritability, fatigue, headaches, anxiety, sleeplessness, confusion, aggressive feelings, violent rages, and depression.

Users may become psychotic and experience paranoia, mood disturbances, and delusions. The paranoia may even make the person think about killing themselves or someone else.

For more information about how methamphetamine could harm your body and mind, read more in-depth information on NIDA DrugFacts.

Update: For the latest on meth mouth, read the blog post “Meth Mouth: Some Ugly Numbers.”

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