Gnathophyma

What is Gnathophyma?

Gnathophyma is the swelling of the chin as caused by advanced, persistent sebaceous hyperplasia. Gnathophyma is only an acneiform condition in the borderline sense; its origin in sebaceous hyperplasia gives it the same root as all other acne conditions, but it does not manifest in the form of pustules or a rash. It is much more similar to forms of rosacea brought on by overactive sebaceous glands, although these are also borderline and classified as acneiform conditions for the purposes of treatment.

Gnathophyma is frequently very uncomfortable and can seem quite disfiguring. While it does not inflict permanent damage even in the way that other acneiform conditions can through scarring, the swelling of the jaw with sebaceous fluid can change the profile and aesthetics of one’s jaw.

As mentioned, gnathophyma is the result of persistent sebaceous hyperplasia. It should be noted that this is very different from the swelling that may occur from other acneiform conditions. Overactive sebaceous glands that result in pimples and pustules across the face obviously cause some degree of swelling, but this is not the same as gnathophyma, even when it occurs along the jawline.

Symptoms of gnathophyma primarily include the swelling itself as well as discoloration as a result of the sebaceous fluid collecting under the skin. Even though the sebaceous fluid will likely not oxidize and darken, as it does in blackheads, the milky yellow color of the sebaceous fluids coagulated under the skin may still show through.

Who gets Gnathophyma?

Gnathophyma revolves around the persistent hyperplasia of the sebaceous glands. As consequence, those prone to suffering from sebaceous hyperplasia are the only individuals likely to develop gnathophyma later on. In fact, it is effectively impossible to develop gnathophyma without a predeliction for extensive, persistent sebaceous hyperplasia. While any degree of sebaceous hyperplasia can cause gnathophyma in theory, the reality is that almost every case of gnathophyma will stem from a persistent condition of sebaceous hyperplasia.

Gnathophyma primarily afflicts men, much like other elements revolving around sebaceous hyperplasia and other skin conditions similar to the sebum-centered rosacea conditions. Men, by virtue of the high level of androgens in their system, are far more likely to suffer from sebaceous overproduction.

Sebaceous hyperplasia is somewhat more common in families. Parents who have severe acne issues due to sebaceous hyperplasia, be this by reason of their natural hormone levels or a persistent environmental element, are far more likely to have children that will suffer from similar diffifculties. This is not to say that there is a genetic indicator for gnathophyma, but simply that the conditions that are most likely to cause and are required for a case of gnathophyma to develop may themselves be influenced by genetics.

What causes Gnathophyma?

Gnathophyma is caused by the persistent hyperplasia of the sebaceous glands. While some acneiform conditions are caused by environmental conditions, two things should be noted exceptionally: first and foremost, gnathophyma is only an acneiform condition insofar as it involves difficulties with the sebaceous glands, and secondly, it is only ever brought about by persistent, advanced sebaceous hyperplasia. The intermittent sebaceous overactivity likely to result from, say, adjustment to contraceptive medication or other hormone replacement, or the forces of puberty, are not likely to inflict gnathophyma upon an individual. In these circumstances the increased sebaceous release is generally transient, and will not persist long enough to cause the swelling of the jaw.

Gnathophyma almost always originates from an underlying health condition without environmental cause. While there are many forms of acne that may result from, say, climatological sensitivities or workplace conditions, gnathophyma almost always runs deeper. Dietary issues and genetic predeliction are likely causes.

That said, gnathophyma is fairly uncommon, especially in its more severe forms. This is primarily because it requires such persistent specific health conditions to come about.

What does Gnathophyma cause?

Gnathophyma can cause extreme discomfort. This is a result of the pressure of the sebaceous fluid against the nerves under the skin. Should the pressure grow severe enough, it may result in physical pain.
Over a significant period of time, gnathophyma may grow relatively solid. This is a result of the sebaceous fluid existing under consistent pressure. If this should occur, pain is almost assured, especially if external pressure is applied to the afflicted areas of the chin and jaw.

Discoloration is a frequent result of gnathophyma. This is not a result of the oxidization and bacterial deterioration of the sebaceous fluid, as occurs in the blackheads of acne vulgaris, but is rather more like the whiteheads of acne vulgaris, in which the fluid stretches the skin to the point of translusency and thus is able to show through.

Gnathophyma, even in minor cases, obscures the jawline and chin at forward and oblique angles as well as in profile. This can make the face appear more assymetrical, can make the chin seem more pronounced in women, and a host of other aesthetic conditions that would be considered less than favorable. This can have a profound impact on one’s self-esteem. Gnathophyma poses a far greater risk to the emotional and psychological health of the afflicted than it does their lifespan, in fact.

Notably, gnathophyma does not carry the same risk of infection and scarring as most acneiform conditions. Because the swelling remains under the skin at all times and does not culminate in pustules, bacterial exposure and other risks frequently associated with acneiform conditions simply never come to the fore.

Gnathophyma is frequently comorbid with other forms of acne, as all forms of acne are related to sebaceous hyperplasia (although few are as dependent on persistent hyperplasia as gnathophyma). It should be noted, however, that gnathophyma does not cause these conditions in and of itself. They are simply coincidental on a frequent basis due to their shared origins.

How serious is Gnathophyma?


Gnathophyma is fairly serious, primarily for its cosmetic effects. While it may sound trivial when compared to other acneiform conditions—gnathophyma carries little to no risk of infection, and is even resilent to mechanical excoriation for that purpose—the apparently disfiguring effects of gnathophyma can have a profound impact on one’s self-esteem, and can naturally influence the way they are treated in public, at school or at their place of occupation.
Gnathophyma is most serious if left unchecked. If large quantities of sebaceous fluid solidify under pressure under the skin, they will not be able to drain on their own. In this circumstance, surgical intervention may be required to eliminate the swelling, posing a serious burden of health and finance to the afflicted.

What does Gnathophyma treatment look like?

Gnathophyma treatment may, in the earlier stages, involve injections or other applications of isotreitonin. Isotreitonin is a fair hand at reducing or eliminating sebaceous secretion, the cost usually being that it can cause skin to dry out. This is usually more than worth it, however; dry skin can be treated with proper moisturization and hydration over time, whereas gnathophyma and its attache of comorbid acneiform ailments will usually demand a full array of treatments be levied to reduce their hold on one’s dermatological health.

Sebaceous fluid may be drained with a syringe in some cases, and a dermatologist may be able to make thick or solidified sebaceous material soften up somewhat with the application of proper thermal padding or other tinctures. When this is not the case and natural draining cannot otherwise be encouraged, surgical treatment may be necessary to reduce the swelling of the chin and jaw. The surgery to remove the foreign matter is very non-invasive, but still a surgical procedure, with all that entails. Thus, it is preferable to treat gnathophyma early and aggressively.

How do I know if I have Gnathophyma?

Gnathophyma is very distinct from other acneiform conditions. It has more in common with various forms of sebaceous rosacea. If fluid is collecting in the chin and jaw, however, in a quantity that is tangible, it may well be a case of gnathophyma. This is even more likely in individuals with a history of oily skin and other acneiform conditions. Only a dermatologist can diagnose gnathophyma, but in any case, the symptoms of gnathophyma are nothing to be taken lightly. Even if they do not signify gnathophyma, the underlying cause may well be serious, and the gnathophyma itself may only be a symptom of something far more serious under the surface. Thus, it is best to involve a medical professional as soon as is feasible to prevent further damage and discomfort.

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