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Tips to stop biting your nails.

Nail biting can be a temporary, relatively non-destructive behavior that is merely an aesthetic issue, but it can also evolve into an uncontrollable and serious long-term problem, even becoming an obsessive-compulsive disorder. It is particularly prevalent among anxious individuals, when they feel nervous, tense, frustrated, stressed, bored, or even hungry. Quite challenging to break free from, here are some practical ways on how to quit this destructive habit : some focusing on behavior changes and others on physical barriers that can prevent nail biting.

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Tip #1: Properly trimming your nails.

Trimming one's nails short can be a helpful measure to reduce the urge to bite one's nails, by avoiding temptations with long nails, corners, and poorly trimmed cuticles. Consider setting a specific day and time each week to trim your nails and make it a regular appointment.

Tip #2: Manicure your nails.

Another option to break this habit is to regularly indulge in professional manicure sessions. The desire usually decreases when you see the result, as well as the money and time spent. However, be careful to choose only accredited salons that properly sterilize their tools to prevent fungal infections. Ideally, you should bring your own tools.

Tip #3: Cover your fingers.

Another method is to cover your fingers, especially if the urge is strong. Gloves, bandages, wraps... these barrier-type interventions can be effective. These devices hinder any contact between the mouth and the nails. They serve both as obstacles to biting, but also as physical reminders not to bite. However, they can be difficult to use consistently or long-term.

Tip #4: Keep your hands busy.

Developing coping mechanisms that replace nail biting with a more tolerable alternative, such as occupying your hands with an object to manipulate (squeezing a stress ball, playing with a toy, etc.) or occupying your mind with an activity (playing a musical instrument, painting, knitting, etc.), can also be an effective way to keep your hands away from your mouth.

Note : It is often recommended to chew gum. While the idea may be appealing, it can lead to dental or jaw problems in the long run if you overdo it.

Tip #5: Take care of oneself and relax.

Personal care routines such as regular meals, consistent physical activity, and adequate sleep can help you feel calmer, more confident, and more resilient, aiding in the release of negative emotions. Similarly, to soothe your mind and alleviate the tension created by the urge to bite your nails, we also recommend meditation and yoga.

Tip #6: Master emotional factors with behavioral therapies.

Thehabit reversal training in combination with a object manipulation training, often also associated with a acceptance and commitment therapy, have proven beneficial in some cases. Indeed, as onychophagy results from a state of anxiety, you can try to remedy it by identifying repetitive, negative thoughts or emotional triggers that make you most prone to biting your nails and replacing them with different behaviors. This can also help to focus on becoming aware of your biting triggers and cravings, identifying replacement behaviors, and cultivating social support.

Tip #7: Being on medication.

Medications are not often used for nail-biting. However, in some cases, doctors may prescribe the use of certain types of antidepressants, such as selective serotonin reuptake inhibitors (SSRIs), to help reduce nail-biting. On the other hand, the prescription of SSRIs must be done with care, as this class of medication can exacerbate conditions related to impulses.

Some studies suggest that the administration of N-acetylcysteine, a modulator of glutathione and glutamate, could potentially help reduce nail-biting behavior in the short term, although further research is needed. Indeed, the results are quite mixed in addition to the adverse events reported by patients (headaches, severe aggression, restlessness, and social withdrawal, etc.).

Tip #8: Address the related psychiatric disorder.

Individuals suffering from chronic nail-biting may require specialized psychological therapy and medication to treat a related psychiatric comorbidity. Indeed, while it does not cause them, onychophagy is associated with a variety of psychiatric disorders, including: attention deficit hyperactivity disorder (ADHD), oppositional defiant disorder, separation anxiety disorder, Tourette's syndrome, major depressive disorder, etc. This suggests that there might be a genetic component.

Note : Not all individuals suffering from these disorders necessarily bite their nails, just as biting your nails does not mean you are suffering from a psychological disorder.

Sources

  • GHANDIZADEH A. Nail biting; Etiology, consequences and management. Iranian Journal of Medical Sciences (2011).

  • BERK M. & al. N-acetylcysteine versus placebo for treating nail biting, a double blind randomized placebo controlled clinical trial. Anti-Inflammatory & Anti-Allergy Agents in Medicinal Chemistry (2013).

  • FIROOZABADI A. & al. Habit reversal versus object manipulation training for treating nail biting: a randomized controlled clinical trial. Iranian Journal of Psychiatry (2013).

  • JACOB S. E. & al. Art of prevention: The importance of tackling the nail biting habit. International Journal of Women's Dermatology (2021).

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