
Biting your nails is a common habit, with up to 30% of the population doing it. However, if nail biting becomes a chronic habit, it can have negative consequences for your health. In this paragraph, we will explore the potential risks of long-term nail biting and discuss when it may be time to seek help. We will also offer some tips and strategies for those who want to break the habit and improve their nail health.
| Characteristics | Values |
|---|---|
| Dental problems | Misalignment, chipped teeth |
| Infection | Skin or nail infection, stomach or intestinal infection |
| Nail damage | Deformed nails, abnormal-looking nails |
| Psychological distress | Shame, anxiety, depression, low self-esteem |
| Physical damage | Tissue damage around nails |
| Germs | Increased chances of getting sick |
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What You'll Learn
- Potential physical health issues: dental problems, deformed nails, skin infections, etc
- Potential mental health issues: anxiety, stress, OCD, etc
- Treatment options: therapy, medication, hypnotherapy, etc
- Prevention methods: manicures, bitter nail polish, fidget toys, etc
- Causes: boredom, nervousness, genetics, etc

Potential physical health issues: dental problems, deformed nails, skin infections, etc
Nail biting, or onychophagia, is a common habit, with up to 30% of the population doing it. However, if nail biting becomes a chronic habit, it can lead to several potential physical health issues. Firstly, it can cause dental problems such as misaligned or chipped teeth. This is especially true if you tend to chew on your cuticles or hangnails. Additionally, nail biting can result in deformed nails. The constant biting can disrupt normal nail growth, leading to abnormal-looking nails.
Another potential issue is skin infections. Regularly putting your fingers in your mouth increases the risk of transferring bacteria from your hands to your mouth, which can lead to stomach or intestinal infections. Furthermore, skin damage caused by nail biting creates an easy entry point for germs, increasing your chances of getting sick. If an infection develops around your nails or cuticles, it can spread to your mouth if you continue to bite your nails. In such cases, it is important to consult a healthcare provider and seek treatment with antibiotics.
Chronic nail biting can also affect the surrounding skin. It can cause skin damage, making it easier for germs to enter your body and potentially leading to infections. Furthermore, the constant biting and picking can affect the tissue around your nails, which may impact their growth and result in abnormal-looking nails. While minor issues with nail biting rarely require medical attention, it is important to consult a board-certified dermatologist if you develop a skin or nail infection.
Overall, while long-term damage from nail biting is rare, it is important to be aware of these potential physical health risks. Breaking the nail-biting habit can be challenging, but it is possible through gradual behaviour changes, self-care, and, if necessary, professional help.
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Potential mental health issues: anxiety, stress, OCD, etc
Nail biting, or onychophagia, is a common habit, with up to 30% of the population biting their nails. It often begins in childhood and can persist into adulthood. While it may start as a nervous habit or a way to cope with stress, anxiety, or boredom, chronic nail biting can be a sign of underlying mental health issues.
People with chronic nail-biting habits may suffer from anxiety, stress, or low self-esteem. The act of nail biting can provide temporary relief from these feelings, creating a cycle that is difficult to break. Identifying triggers can help manage the behaviour, but if it is causing psychological distress, professional help should be sought. Mental health providers can assist in treating the underlying causes and developing healthier coping mechanisms.
Chronic nail biting is classified as a body-focused repetitive behaviour (BFRB) and is related to obsessive-compulsive disorder (OCD). It is listed under OCD in the American Psychiatric Association's Diagnostic and Statistical Manual of Mental Disorders (DSM-5). Those with OCD experience unwanted thoughts or sensations (obsessions) that drive them to perform repetitive actions (compulsions). In the case of nail biting, the compulsion to bite one's nails can provide stress relief, and not acting on it may cause distress.
In addition to OCD, chronic nail biting can co-occur with other mental health conditions, such as attention deficit hyperactivity disorder (ADHD), oppositional defiant disorder, separation anxiety disorder, and Tourette syndrome. It may also be a side effect of certain medications. Treatment for chronic nail biting often involves behavioural therapy, self-care, relaxation techniques, and addressing any underlying psychiatric disorders.
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Treatment options: therapy, medication, hypnotherapy, etc
Nail biting, or onychophagia, is a body-focused repetitive behaviour (BFRB) that involves the habitual destruction of fingernails through biting. While it may start in childhood and seem comforting, it can damage the tissue that makes nails grow, resulting in abnormal-looking nails. Chronic nail biting can also leave you vulnerable to infection as you pass harmful bacteria and viruses from your mouth to your fingers and from your nails to your face and mouth.
If you've tried to quit nail biting but the problem persists, consider consulting a doctor or therapist. Treatment options for nail biting include therapy, medication, and hypnotherapy.
Therapy
Therapy for nail biting involves working with a trained professional to identify the underlying causes and triggers for your nail-biting behaviour and to develop strategies to manage and replace this behaviour with healthier alternatives. For example, cognitive behavioural therapy (CBT) is a common type of therapy that can help you identify negative thought patterns and behaviours and replace them with healthier ones.
Medication
In terms of medication, studies on drug treatment for nail biting are limited. However, there have been reports of the successful use of lithium in treating chronic nail biting comorbid with bipolar disorder. Clomipramine and selective serotonin reuptake inhibitors are generally recommended in severe cases, but these drugs can cause treatment-emergent mania in individuals with bipolar disorder. Thus, medication choice should be informed by the nature of any comorbid psychiatric disorders.
Hypnotherapy
Hypnotherapy is another treatment option for nail biting. It involves guiding a person into a trance-like state of physical and mental relaxation, where they can address the root causes of their nail biting and work through traumatic memories or conflicts in their conscious and subconscious minds. Hypnotherapy can be particularly effective in treating anxiety-related behavioural issues, as it can help reduce symptoms of stress and anxiety that may trigger nail-biting behaviour.
In addition to these treatment options, there are also some self-help strategies you can try to stop nail biting, such as keeping your nails trimmed short, applying bitter-tasting nail polish, or finding replacement habits like playing with a stress ball or fidget toy.
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Prevention methods: manicures, bitter nail polish, fidget toys, etc
There are several methods to prevent nail biting, including manicures, bitter nail polish, fidget toys, and more.
Manicures
Getting a manicure can be a great way to prevent nail biting. Firstly, you are less likely to bite your nails if they look nice, especially if you've spent money on them. You can also add extra decals and designs, which may make you less likely to bite your nails as you won't want to ruin your nails. Additionally, nail polish has a different texture to bare nails, so you will realise you are biting your nails.
Bitter nail polish
Bitter-tasting nail polish can be an effective way to prevent nail biting. This safe, but awful-tasting formula discourages many people from biting their nails. Mavala Stop is a popular brand of bitter nail polish, which contains denatonium benzoate, also known as Bitrex, which causes an intensely bitter taste.
Fidget toys
Fidget toys, such as fidget spinners or stress balls, can be a good way to prevent nail biting by keeping your hands busy and away from your mouth.
Other methods
Some other methods to prevent nail biting include wearing gloves or using tape or stickers on your nails. You could also try chewing gum or eating mints or carrot sticks when you have the urge to bite your nails. Identifying your triggers can also be helpful, so you can avoid certain situations or develop a plan to stop biting your nails.
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Causes: boredom, nervousness, genetics, etc
Nail biting, also called onychophagia, is a common habit, with up to 30% of the population biting their nails. It typically begins in childhood and may accelerate during adolescence. While it is not always clear why someone develops this habit, it can be challenging to manage once it forms.
Boredom
Nail biting can be a way to keep yourself occupied when you are bored, frustrated, or waiting around. It can also be an absentminded tendency rather than a conscious choice, as you might bite your nails while trying to work out a problem.
Nervousness
Nail biting can be a nervous habit and a way to find temporary relief from stress and anxiety. It may be a coping mechanism when you feel nervous, bored, lonely, or even hungry.
Genetics
Some people may have a genetic tendency toward nail biting, which is related to obsessive-compulsive disorders. People with this tendency may also exhibit other body-focused repetitive behaviors, such as skin picking and hair pulling.
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Frequently asked questions
Nail biting, or onychophagia, is a common habit that can be difficult to break. It is often associated with feelings of stress, anxiety, boredom, or frustration. While it may not cause permanent damage, long-term nail biting can lead to deformed nails and damage to the surrounding skin, making it harder for nails to grow properly. Additionally, putting your fingers in your mouth multiple times a day increases the risk of ingesting bacteria and getting sick.
There are several strategies to help you stop biting your nails:
- Identify your triggers: Understand the feelings or situations that trigger nail biting, such as stress, anxiety, or boredom.
- Find replacement behaviours: Keep your hands busy with a stress ball, fidget toy, or silly putty. You can also try chewing gum, but be mindful of potential dental or jaw issues if overdone.
- Trim your nails short: Keeping nails short may reduce the urge to bite them.
- Use bitter-tasting nail polish: Special nail polishes with a bitter flavour can deter nail biting.
- Seek professional help: If nail biting persists and affects your mental health or relationships, consider therapy or counselling to address underlying issues.
It is recommended to seek medical advice if nail biting is causing physical damage to your nails, cuticles, or surrounding skin, or if there are signs of infection such as redness, pain, or swelling. Additionally, if nail biting is causing psychological distress, such as shame, anxiety, or low self-esteem, it is important to consult a mental health professional for support.










































