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The oral and dental damage experienced by many meth users is colloquially called ‘meth mouth’.

Navigation: What Does it Mean to Have ‘Meth Mouth’?, Symptoms of Meth Mouth, What Causes Meth Mouth?, What Are the Treatments for Severe Tooth Decay in Meth Users?, Other Adverse Effects of Meth Abuse, Physical Health Effects of Meth Abuse, Mental Health Effects of Meth Abuse, Treatment for Drug Abuse and Meth Addiction,Rehab Is Your Best Chance


Methamphetamine, also known as meth, is a highly addictive stimulant that affects the central nervous system. It is chemically similar to amphetamine, and comes in various forms including a white odorless powder or in the form of clear crystals called crystal meth.

Meth can stimulate the release of dopamine, which is a neurotransmitter associated with pleasure and reward, in the brain. This leads to a short-lived surge of euphoria, which is what gets people addicted. Repeated use can quickly lead to tolerance, which means the person now requires higher doses to achieve the desired effects.

Due to its high addiction potential and harmful effects, methamphetamine is classified as a Schedule II controlled substance in the United States, meaning it has a recognized medical use but also a high potential for abuse and dependence. It is illegal to manufacture, possess, or distribute methamphetamine in most countries, except for specific medical purposes under strict regulations.

Aside from being extremely addictive, methamphetamine is also known for its wide range of adverse health effects. Long term use of methamphetamine can have severe consequences for physical and mental health.

But perhaps one of the most notorious side effects of using meth is what people refer to as ‘meth mouth’. Taking meth can severely affect your dental health. Here we will talk all about it: its symptoms, effects, and treatment.


What Does it Mean to Have ‘Meth Mouth’?

The oral and dental damage experienced by many meth users is colloquially called ‘meth mouth’. This term is used to describe the severe oral health problems caused by chronic methamphetamine abuse.

Untreated tooth decay and gum disease are two of the most common effects of meth mouth. This is because the drug causes dry mouth (xerostomia) by reducing saliva production, and saliva plays a crucial role in protecting teeth from decay. The lack of saliva, along with poor oral hygiene practices, allows bacteria to thrive and accelerate tooth decay.

Methamphetamine use can also cause a condition called bruxism, which involves grinding and clenching the teeth. This habit puts excessive pressure on the teeth, leading to enamel erosion and tooth damage.

This drug is highly acidic, and when it is smoked or snorted, it can have a direct damaging effect on teeth and oral tissues. The acidic nature of the drug can erode tooth enamel and cause other oral health issues.

People who use meth also put themselves at risk of gum disease due to inflammation and infection of the gums. This can result in gum recession, tooth loss, and overall deterioration of oral health.

It is also common for individuals who are addicted to meth to neglect basic oral hygiene practices. They don’t brush their teeth regularly, floss, or visit the dentist for check-ups. This lack of care contributes to the worsening of dental problems.

Meth mouth is indirectly caused by the symptoms of meth use. Much like how eating sugary foods can cause severe tooth decay, so can meth use.


Symptoms of Meth Mouth

So what does meth mouth look like? This condition is characterized by severe tooth decay, missing teeth, gum disease, bad breath, tooth discoloration, and other dental complications. Some meth users report having teeth that are “blackened, stained, rotting, crumbling, or falling apart”.

Methamphetamine use often leads to rapid and extensive tooth decay. Teeth may develop cavities, become discolored, and start to crumble or break apart. Meth mouth sufferers may experience significant tooth loss, sometimes requiring extraction of multiple teeth.

Methamphetamine can even cause the user to have a strong urge to constantly chew or grind their teeth. This repetitive behavior can lead to the formation of sores and ulcers in the mouth, which may become infected.

Meth use can also contribute to gum disease, which is characterized by inflammation, redness, and bleeding of the gums. The gums may recede, exposing the tooth roots and making them more susceptible to decay. With meth mouth, the teeth start rotting from the gum line. If left untreated, they may start to fall out or break off.

Another symptom of meth mouth is bad breath. The combination of tooth decay, gum disease, and dry mouth can result in persistent bad breath, also known as halitosis.

Keep in mind that just like other symptoms of meth abuse, the effects may vary from one person to another. According to the American Dental Association (ADA), meth mouth may cause: cavities, black teeth, missing teeth, gingivitis, periodontitis, and tooth decay starting at the gum line.

What Causes Meth Mouth?

Interestingly, the chemical properties of meth are not the sole cause of meth mouth. In fact, it is often attributed to a combination of factors associated with drug use such as increased sugar consumption, poor oral hygiene, and neglect of dental care due to drug addiction.

As we mentioned earlier, meth users typically experience a decrease in saliva production. And because saliva helps cleanse the mouth and neutralize acids, a dry mouth often leads to tooth decay. It is easier for bacteria to thrive when the mouth becomes dry.

Speaking of acids, methamphetamine is highly acidic. When smoked or vaporized, the vapors can come into direct contact with the teeth.  Prolonged exposure to these acidic vapors can erode tooth enamel, making the teeth more susceptible to decay and damage.

Meth is often made up of acidic compounds like battery acid, fertilizers, and household cleaning agents. It goes without saying that this only contributes to the problem, as it makes it especially damaging to the teeth.

Another effect of meth that leads to meth mouth is excessive clenching and grinding of the teeth. Also known as bruxism, this condition causes people to clench their jaws tightly and grind their teeth. These habits lead to tooth wear, excessive pressure, fractures, and other dental problems.

Since addiction tends to take over a person’s entire life, it’s easy for them to forget about maintaining their dental health. They may neglect oral hygiene practices like regular brushing and flossing.

Even their diet may affect their dental health, as consuming sugary and acidic foods can contribute to tooth decay. They tend to drink large amounts of soda and sugary drinks. During their meth high, users typically crave sweets.

Chronic methamphetamine use can lead to poor nutrition and a lack of essential vitamins and minerals necessary for healthy teeth and gums. This deficiency weakens the tooth structure and impairs the body’s ability to repair and maintain oral tissues.

With the overwhelming effects of this stimulant drug, they tend to ignore personal care.

It’s worth noting that not all meth users will develop meth mouth despite the strong association between the drug and poor dental hygiene. Other factors may come into play such as individual susceptibility, oral health, and co-occurring disorders.

Seeking treatment for substance abuse and adopting good oral hygiene practices are crucial for preventing or managing meth mouth.

What Are the Treatments for Severe Tooth Decay in Meth Users?

Treating meth mouth typically involves a multi-faceted approach that addresses both the dental issues and the underlying drug abuse problem. Here are some of the common treatments for meth mouth:

Dental restoration: The first step is to address the existing dental problems. This may involve dental fillings, crowns, root canals, or extractions, depending on the severity of the decay and damage to the teeth.

Oral hygiene education: Patients with meth mouth often have poor oral hygiene habits. Dentists and dental hygienists provide education and guidance on proper brushing and flossing techniques, as well as the importance of regular dental check-ups.

Professional cleaning: Professional dental cleaning, including scaling and root planing, is necessary to remove plaque, tartar, and bacteria from the teeth and gums. This helps improve gum health and prevents further decay.

Gum disease treatment: If gum disease (periodontal disease) is present, additional treatments such as deep cleaning, antibiotic therapy, or even gum surgery may be required to address the infection and restore gum health.

Dental prosthetics: In cases of extensive tooth loss, dentures, dental bridges, or dental implants may be recommended to restore the appearance and function of the mouth. These options depend on the individual’s specific needs and the condition of their remaining teeth.

Addiction treatment: Treating meth mouth effectively requires addressing the underlying substance abuse problem. Referral to an addiction specialist or a substance abuse treatment program is crucial. This may involve counseling, behavioral therapy, support groups, or inpatient/outpatient rehabilitation, depending on the individual’s needs.

The treatment approach for meth mouth will depend on how advanced the damage is. Dentists will often recommend that the patient brush their teeth regularly. They may also consider a fluoride treatment.

Changes in diet may also be recommended. Meth users may have to drink more water and less sugary drinks according to the ADA. But in some severe cases, there may be no choice but to remove the teeth.

Meth mouth treatment largely depends on a combination of dental interventions and the individual’s commitment to sobriety and maintaining good oral hygiene practices. Long-term follow-up care and support are essential to prevent relapse and maintain oral health.

Other Adverse Effects of Meth Abuse

Meth mouth isn’t the only problem you can encounter while abusing this highly dangerous and addictive substance. It can affect both your physical and mental health.

For starters, meth can have severe effects on the body. It increases heart rate, blood pressure, and body temperature, which can lead to cardiovascular problems, stroke, and even death. Prolonged use of meth can cause damage to organs such as the liver, kidneys, and lungs.

Meth use can cause various psychological and psychiatric problems. Users may experience anxiety, paranoia, hallucinations, delusions, and violent behavior. Long-term use can lead to mental health disorders like depression and psychosis.

Meth use can lead to erratic and impulsive behavior, aggression, and violence. Users may engage in risky activities, such as unsafe sex or sharing needles, which increase the risk of contracting infectious diseases like HIV/AIDS and hepatitis.

But one of the most dangerous effects of meth use is a drug overdose, which can be life-threatening. Overdose symptoms include rapid heartbeat, chest pain, seizures, breathing difficulties, and loss of consciousness.

Eventually, a person can develop addiction and drug dependence. Although these two terms are often used interchangeably, they are actually not the same. Addiction is the compulsive use of a substance despite experiencing the consequences. Once addicted, individuals may find it extremely challenging to quit using the drug.

On the other hand, drug dependence is when the person’s body as adjusted to the constant presence of the drug that they can no longer function normally without it. Whenever they try to quit or reduce their intake, they develop withdrawal symptoms and intense cravings.

On top of these physical and mental health consequences, there are also social consequences. Unfortunately, addiction doesn’t just affect the individual—it also affects the people around them.

Meth addiction often strains relationships with family, friends, and partners. It can lead to social isolation, loss of employment, financial problems, and legal issues.

Due to the serious health risks associated with meth, it is important to seek help if you or someone you know is struggling with meth addiction. Professional treatment and support can aid in the recovery process and improve overall well-being.

Physical Health Effects of Meth Abuse

Meth abuse and addiction can cause various health problems, affecting most parts and systems within the body. Aside from the dental problems listed earlier, here are some other effects of meth use:

Cardiovascular problems: Meth use can lead to an increased heart rate, elevated blood pressure, and irregular heart rhythms. Prolonged meth abuse can result in cardiovascular damage, including heart attacks, strokes, and the development of heart disease.

Respiratory problems: Smoking meth or inhaling its fumes can lead to respiratory issues such as coughing, shortness of breath, and lung damage. This is especially relevant for individuals who smoke meth regularly.

Skin problems: Meth users may experience a variety of skin-related issues. These can include severe itching, open sores, skin infections, and a condition known as “meth mites” or “formication,” where users feel as if bugs are crawling on or under their skin, leading to scratching and skin damage.

Weight loss and malnutrition: Meth is an appetite suppressant, and individuals abusing the drug often neglect proper nutrition and fail to eat regular meals. Prolonged meth abuse can lead to significant weight loss, malnutrition, and weakened immune system functioning.

Sleep disturbances: Methamphetamine is a powerful stimulant that disrupts normal sleep patterns. Meth users often experience insomnia or a decreased need for sleep, which can lead to chronic sleep deprivation. Sleep disturbances contribute to overall physical and mental health problems.

Neurological damage: Long-term meth abuse can cause damage to the brain and nervous system. This can result in cognitive impairments, memory problems, difficulties with attention and concentration, and an increased risk of developing neurological disorders.

The severity and extent of these physical health effects can vary depending on factors such as the duration and frequency of meth use, the method of administration, individual susceptibility, and co-occurring health conditions.

Mental Health Effects of Meth Abuse

Meth abuse affects not only the body but also the mind. Long-term meth abuse can induce psychotic symptoms, such as paranoia, hallucinations, delusions, and aggressive behavior. These symptoms can persist even after discontinuing meth use.

Meth abuse is also known to cause or worsen mood disorders, including depression, anxiety, and bipolar disorder.

Some meth users experience cognitive impairments, including problems with attention, memory, and decision-making abilities.

On top of these effects, meth users also face an increased risk of suicidal ideation, especially during periods of withdrawal. When they feel overwhelmed by the effects of their addiction, they may think about or even act on these thoughts of self-harm.

Treatment for Drug Abuse and Meth Addictio

The first step in treating meth addiction is admitting that you have a problem and accepting that you need help. This is a difficult step for a lot of individuals suffering from addiction because their condition changes the way their brain functions, preventing them from making good decisions for their health.

Even those who want to quit the drug may find themselves intimidated by the stigma surrounding addiction and rehab. People don’t want to be judged by others around them. This prevents them from reaching out even when they really need help.

Fighting the stigma of addiction involves educating yourself and the people around you about this medical condition and its treatment. Addiction is a medical condition rather than a moral failure or a sign of weakness.

Once you get past this first obstacle, it’s time to look for a rehab near you that can offer the treatment you need. Treating methamphetamine addiction typically involves a comprehensive approach that combines various interventions and therapies.

Medical detox is often the first step in the recovery journey. This process involves safely managing the withdrawal symptoms of the individual as their drug intake is gradually lowered. This addresses the physical aspects of addiction.

Medical professionals may administer medications to help ease the discomfort and cravings associated with withdrawal. Currently, there are no FDA-approved medications specifically for treating meth addiction. However, some medications used for other substance addictions or co-occurring mental health conditions may be prescribed to manage withdrawal symptoms or address underlying issues.

Medical detox is followed by various therapy sessions that aim to get to the root causes of addictive behavior.

Cognitive-behavioral therapy (CBT) is often employed to help individuals understand their addiction, identify triggers and high-risk situations, and develop coping strategies to avoid drug use. It focuses on changing patterns of thinking and behavior that contribute to addiction.

It’s not enough to get sober. The patient needs to learn how to maintain their sobriety even after they leave the rehab facility.

One-on-one counseling sessions with a therapist or addiction counselor can be beneficial in addressing underlying issues and developing relapse prevention strategies.

Some facilities offer group therapy sessions, such as 12-step programs like Crystal Meth Anonymous (CMA) and Narcotics Anonymous (NA). These support groups provide a safe environment where people in recovery can share their experiences, receive encouragement, and learn from others who have gone through similar struggles.

Involving family members in the treatment process can also be beneficial. Family therapy can help repair relationships, educate loved ones about addiction, and provide a support system for the individual in recovery.

Finally, rehab centers will offer aftercare planning and support in order to minimize the risk of relapse. Keep in mind that relapse is a common thing for people in recovery, and it should not discourage you from continuing your journey to long-lasting sobriety. Think of it as just another challenge you need to overcome.

Look for a rehab near you today and find out what programs they offer for people with meth addiction.

Rehab is Your Best Chance

Treatment is an addicted individualʼs best option if they want to recover. Beating an addiction not only requires eliminating the physical dependence, but also addressing the behavioral factors that prevent them from wanting to get better. Simply quitting may not change the psychological aspect of addiction. Some people quit for a while, and then take drugs or alcohol again, only to overdose because they did not detox properly. Recovery involves changing the way the patient feels, thinks, and behaves.



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Fel Clinical Director of Content
Felisa Laboro has been working with addiction and substance abuse businesses since early 2014. She has authored and published over 1,000 articles in the space. As a result of her work, over 1,500 people have been able to find treatment. She is passionate about helping people break free from alcohol or drug addiction and living a healthy life.

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