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Lip Biting : Causes & Side Effects

by Rashi Bahel Mehra |

Lip biting- The 'Bite-Sized' Habit We All Share. It is a seemingly simple and unconscious action that humans engage in regularly. We've all done it at some point, whether due to nervousness, stress or as a playful gesture. While it may seem like a minor habit, lip biting is a complex behaviour that offers insight into our emotions, psychology, and even our biology. But do you know what ill effects biting lip can cause to our lip health? Let us first understand the causes and delve straight into the effects.

The Psychology Behind Lip Biting

Lip biting is more than just a physical action; it can provide valuable insights into an individual's emotional state and psychological condition. One might bite lips due to : 


One of the most common manifestations of lip biting is during moments of nervousness or anxiety. When faced with a stressful situation or when we're feeling anxious, many of us find solace in biting our lips. It's almost as if our lips become a natural stress ball. Psychologists suggest that this act may serve as a form of self-soothing. Biting down on the lip provides a physical sensation that distracts us from our anxiety, similar to how some people use fidget spinners or stress balls.

2. Bite the Habit, Not Your Lips:

When we're feeling overwhelmed, biting our lips can offer temporary relief. This becomes a habit when one does it regularly. Psychologists suggest that this may be related to the release of endorphins – our body's natural feel-good chemicals. The act of biting the lip stimulates the release of these endorphins, providing a brief sense of comfort and relaxation.

 3. Boredom Bites:

When someone engages in lip biting during moments of boredom or daydreaming, it may reflect a lack of mental stimulation in their current environment. It can also signify a need for sensory input to combat mental restlessness. In some cases, it's a way for individuals to self-soothe and cope with monotony.

4. Dry or Chapped Lips-

Ironically, the discomfort of dry or chapped lips can lead to lip biting. It may start as an attempt to remove dry skin but can quickly become habitual.

The Not-So-Kissable Consequences: What Happens to Your Lips?

While lip biting is a common behaviour, especially during moments of stress, anxiety, or absentmindedness, it can have some negative effects on the lips over time. Here are some of the potential ill effects of frequent or aggressive lip biting:

  1. Dryness and Chapping: Excessive lip biting can remove the protective layer of skin on the lips, leading to dryness and chapping. The lips may become cracked and uncomfortable, causing pain and discomfort.
  1. Bleeding: Aggressive lip biting can break the delicate blood vessels in the lips, leading to bleeding. This can be not only painful but also unsightly.
  1. Infections: The Uninvited Guests: When the skin on the lips is broken, it becomes more susceptible to infections. Bacteria and viruses can enter through these tiny openings, potentially leading to cold sores, fever blisters, or other conditions.
  1. Scarring & Pigmentation: Repeated lip biting can cause scarring on the lips, which may alter their appearance. Scars can be permanent and may affect one's self-esteem.
  1. Exacerbation of Skin Conditions: People with pre-existing skin conditions such as eczema or psoriasis may find that lip biting exacerbates their conditions. The constant irritation can lead to flare-ups and worsen the symptoms.
  1. Pain and Discomfort: Frequent lip biting can be painful, especially if it becomes a habit. This discomfort can affect daily activities such as eating, talking, and even smiling.
  1. Psychological Effects: Apart from the physical consequences, persistent lip biting can also have psychological effects. It may increase feelings of self-consciousness, anxiety, and stress, mainly if someone is aware of the damage they are causing but finds it difficult to stop the behaviour.
  1. Compulsive Behavior: In some cases, lip biting can become a compulsive behaviour known as dermatophagia. This condition involves repeatedly biting the skin, not just on the lips but also on other parts of the body. It can be difficult to control and may require professional intervention.
Causes of Lip Biting

Breaking Up with Biting: It's Not You, It's Me

Breaking the habit of lip biting may take time and effort, but it's possible with the right strategies:


  • Awareness: The first step is to become aware of when and why you bite your lips. Keep a journal to track the triggers and situations that lead to lip biting.


  • Stress Management: Since stress is a major cause of lip biting, learning stress management techniques such as deep breathing, meditation, or yoga can help reduce the urge to bite your lips.



  • Chew Gum or Snack: Providing an alternative for your mouth to stay active can be helpful. Chewing sugar-free gum or snacking on healthy snacks can redirect the impulse to bite your lips.


  • Cognitive Behavioural Therapy & Habit Reversal Training: In cases where lip biting is a compulsive habit, consider seeking help from a therapist who specialises in habit reversal therapy (HRT). HRT can help you identify triggers and develop strategies to break the habit.


  • Follow a lip care regimen: This will help you keep and maintain healthy lips and keep you from biting and picking them.


  • Distract Yourself: Find activities that keep your hands and mind busy, reducing the opportunity to bite your lips.



Lip biting may seem innocuous, but it can have detrimental effects on your lips and your overall well-being. Identifying the causes, understanding the potential consequences, and implementing effective strategies are essential steps in breaking the habit. With determination and patience, you can overcome the urge to bite your lips and enjoy healthier, more comfortable lips in the long run. Remember that seeking professional help is always an option if needed.

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