What Is Herpetic Stomatitis?

Herpetic stomatitis is an infectious disease that affects the oral cavity. It’s one type of viral stomatitis. The causative agent is the herpes simplex virus type 1 (HSV-1), which can remain dormant in the body for life and become activated when triggered by certain factors.

Initial infection typically occurs during childhood through close contact—via shared household items, saliva, toys, and so on. The virus then reactivates, or “awakens,” when the immune system weakens. This can happen during colds, stress, fatigue, nutritional deficiencies, and even pregnancy.

What sets herpetic stomatitis apart from other types (bacterial or aphthous) is its distinctive symptoms. This particular viral stomatitis causes oral herpes in the form of painful blisters (vesicles). Other characteristic symptoms include swollen lymph nodes, elevated temperature, general weakness, and high contagiousness.

Causes of Herpetic Stomatitis

The cause of primary infection is the herpes virus itself. It directly triggers viral stomatitis after first contact. The virus spreads through close household contact with an infected person, their saliva, and sharing personal items (kissing, shared utensils and towels). In other words, transmission occurs through airborne droplets and direct contact.

However, even after the virus enters the body, it may not immediately cause oral herpes. The virus activates when immunity is compromised, which in turn happens due to certain factors. These factors include:

Weakened immune system
Stress
Exposure to cold
Micro-injuries to the mucous membrane
Vitamin deficiency (avitaminosis)
Chronic diseases

Types and Forms of Herpetic Stomatitis

Viral stomatitis includes such forms as herpetic stomatitis and herpetic gingivostomatitis. Herpetic stomatitis, in turn, has subtypes: acute herpetic stomatitis and chronic. Below we’ll discuss all these forms and types, their characteristics, and clinical manifestations.

Acute Herpetic Stomatitis

Acute herpetic stomatitis has distinctive characteristics of primary infection. These include:

Sudden temperature spike
General body weakness
Rapid appearance of painful multiple blisters in the mouth (vesicles)
Swollen gums and enlarged local lymph nodes
Severe course especially in children—also high fever, refusal to eat
Typical disease duration—active symptoms for 7-14 days, followed by resolution without a trace

Chronic Herpetic Stomatitis

This is a recurrent form with a different character than acute herpetic stomatitis. Chronic herpetic stomatitis develops after HSV-1 establishes itself in the body and when triggering factors are present. Specifically—due to weakened immunity from stress, common colds, other illnesses, injuries, and so forth. Recurrences typically happen a couple times a year.

The course of the chronic form is significantly milder than the acute. Only isolated vesicles appear, with minimal systemic toxicity and overall shorter duration. The most common triggers that provoke recurrence and, consequently, chronic-type herpetic stomatitis include exposure to cold, stress, and oral mucosa diseases or injuries.

Herpetic Gingivostomatitis

This form is particularly common in children aged 1-3 years. Additionally, herpetic gingivostomatitis affects not only the oral mucosa but also the gums. The blisters in this case can also involve the fold between the lip and cheek, the inner surface of the cheeks, and even the tonsils (sometimes mimicking tonsillitis).

Herpetic gingivostomatitis has its own specific symptoms. These include pronounced swelling and redness of the gums, as well as pain and bleeding, for example, when brushing teeth. Children require special treatment approaches for this form. These involve targeted therapy focused on pain control and preventing dehydration in the child’s body.

Symptoms and Signs of Herpetic Stomatitis

Let’s take a detailed look at the clinical picture of herpetic stomatitis. After all, it’s not just about the characteristic herpes rash, but broader symptoms as well.

General Symptoms

Oral herpes causes the following symptoms:

Elevated temperature of 38-40°C—usually with acute onset
General weakness and malaise—severe fatigue, reduced work capacity
Headache—due to viral intoxication of the body
Enlarged and tender lymph nodes—specifically in the submandibular area
Loss of appetite—usually due to pain when swallowing and throat discomfort
Muscle weakness—as the body’s systemic response to the virus

Local Manifestations in the Oral Cavity

During the development stage, oral herpes manifests as redness and vesicles—these are blisters on the mucous membrane. Later, ulcers may form after these vesicles burst. Additionally, herpetic stomatitis has symptoms such as:

Pain and burning in the mouth when eating—especially with hot and acidic foods
Increased salivation—as a reaction to pain and mucosal irritation
Bad breath—due to the inflammatory process and tissue breakdown in the affected area
Swelling of the mucosa—lip stomatitis makes it puffy, irritated, and very sensitive
Characteristics of lesion location—oral herpes most often appears on the inner surface of the cheeks and palate, as well as on the tongue, gums, and lips

Stages of Disease Development

Incubation Period

The incubation period lasts 2-17 days. This is the time from initial infection to first symptoms. Its duration depends on the person’s immune status. Herpetic stomatitis shows no external signs during this period, yet the virus is already actively multiplying in the body. Active viral replication means it’s accumulating and essentially preparing the body for subsequent visible manifestations.

Prodromal Period

During this period, herpetic stomatitis already shows the first non-specific symptoms. Oral herpes here causes redness of the mucosa, tingling and dryness, discomfort, and deterioration of the person’s general condition. Possible symptoms include irritability, muscle weakness, and even low-grade fever (approximately 37.1-38.0°C). The prodromal period passes in 1-2 days, as it then transitions to the active outbreak stage.

Outbreak Period

The herpetic rash begins with the mass formation of blisters (vesicles), which then increase in size. During this outbreak stage, oral herpes is also accompanied by mucosal pain and peak elevated body temperature. This stage lasts approximately 2 to 4 days. This period is considered the most acute in the course of the disease and most contagious to others.

Healing Period

During the healing stage, herpetic stomatitis is characterized by vesicles beginning to shrink, dry out, and heal. They seem to form a crust. Temperature also normalizes and mucosal pain decreases. Overall, the rash gradually disappears and appetite is restored. The duration of this final period is usually 3 to 5 days.

Diagnosis of Herpetic Stomatitis

To properly diagnose herpetic stomatitis, the main methods used are dental examination and laboratory tests. In other words, the appropriate diagnosis is made based on characteristic clinical presentation (rash and other symptoms) and/or with the help of special tests. Differential diagnosis is extremely important here. It helps determine whether this is truly herpetic stomatitis and not something else—for example, not candidal, not aphthous, or not bacterial. Below is more detail about the diagnostic stages.

Dental Examination

A dental examination includes:

Visual assessment of characteristic elements—what the blisters and erosions on the mucosa look like
Determining the location and number of lesions—the placement and grouping of vesicles is an important diagnostic signal
Assessing the condition of the mucosa and gums—for swelling, bleeding, redness, and overall degree of inflammation
Taking a medical history—considering previous recurrences and history of contact with virus carriers

Laboratory Tests

Laboratory tests for oral herpes include:

PCR diagnostics to detect the virus (mucosal swab)—the most accurate method for confirmation
Blood test for IgM and IgG antibodies—shows whether this is primary or secondary herpes infection
Virological examination of mucosal swab—performed less frequently but can also detect the virus’s presence

Cases when tests are needed: atypical forms of herpes, severe course, or some doubt about the diagnosis.

Treatment of Herpetic Stomatitis

When viral stomatitis is present, treatment is comprehensive. This approach allows for quick symptom relief, effective antiviral action, and overall immune system support. In other words, the best way to treat oral herpes is systemic therapy (antiviral medications) combined with local treatment (antiseptic agents, pain-relieving gels or ointments).

It’s very important to start therapy in the early stages of herpetic stomatitis. This significantly shortens the disease duration, reduces the intensity of outbreaks, and lowers the risk of any complications.

Antiviral Therapy

Speaking in more detail about how to treat oral herpes with antiviral therapy, it’s worth noting the main medication: all drugs based on acyclovir. They come in tablets, ointments, and suspensions. The choice of form depends on the location of the lesion and the patient’s age. The application regimen is usually 3-5 times a day, preferably prescribed by a doctor. Treatment duration is approximately 5-7 days; if it’s a severe form, up to 10 days inclusive. Such antiviral therapy is most effective when oral herpes is still in the early stages. In advanced stages, it only reduces symptom duration.

Local Treatment

Local treatment includes antiseptic agents for rinsing and reducing bacterial contamination—Chlorhexidine, Miramistin, various herbal decoctions. This also includes pain-relieving gels for treating ulcers, as well as healing agents for better epithelialization and drying of blisters (vesicles). Treatment with these options usually needs to be done 3-5 times a day or after each meal. The proper application technique is as follows:

Rinses:

Small amount; rinse for 30-60 seconds; don’t swallow; after rinsing, don’t eat or drink for 20-30 minutes

Ointments, gels:

Apply pointwise and in a thin layer; apply to dried mucosa using a napkin; let dry for 1-2 minutes; after rinsing, don’t eat or drink for 20-30 minutes

Symptomatic Therapy

Symptomatic therapy includes the following:

Fever reducers for high temperature—usually when higher than 38°C
Pain relievers—for pain control and easier eating
Antihistamines to reduce swelling—eliminate allergic manifestations in the mouth
Immunomodulators—to shorten disease duration and support the body overall
Vitamin complexes—to strengthen immunity and restore micronutrient balance

Special Considerations for Different Groups

Treating Herpetic Stomatitis in Children

Herpetic gingivostomatitis in children, or simply put, oral herpes in a child, may have the following nuances in treatment:

Adapting medication doses—should be selected according to age and weight, as indicated in the instructions
Safe medication forms for young children—usually suspensions or syrups, and gels if topical. Tablet forms are recommended to be avoided
Care features—the child’s oral cavity condition must be constantly monitored and regular hygiene ensured
Ensuring adequate fluid intake—this helps avoid dehydration and speeds up mucosal healing
Diet during illness—give non-fatty, not hot, and soft foods. Don’t give anything that could injure or irritate the mucosa

Treatment in Adults

If there’s oral herpes in an adult, treatment nuances are, of course, fewer. But they still exist. Usually, herpetic stomatitis in adults is treated with standard therapy regimens, as it runs much milder than in children. In therapy here, a combination of medications is important, which brings together pain relievers, antivirals, and healing agents. Adult treatment usually takes place at home. Hospitalization is rarely required—in cases of severe bodily intoxication, very high temperature, and severe dehydration.

Herpetic Stomatitis During Pregnancy and Breastfeeding

If herpetic stomatitis is being treated during pregnancy or breastfeeding, the nuances are as follows:

Safe medications for pregnant women—use only approved and doctor-prescribed. These are usually only systemic and topical agents
Risks to the fetus in different trimesters—the first trimester is most critical, so it’s best to avoid treatment during this period. Only when absolutely necessary and by medical indication. In subsequent trimesters, risks decrease, but treatment should still be cautious and under medical supervision
Features of treatment while breastfeeding—it’s important to use agents that won’t pass into breast milk in toxic doses
When breastfeeding can continue—also best coordinated with the doctor. Often, if stomatitis medications are selected safely, no break in feeding is required
Gynecologist consultation as a mandatory condition—taking any systemic medications, even those safe from a dental standpoint, should be coordinated with your obstetrician-gynecologist

The main thing when treating herpetic stomatitis during pregnancy and breastfeeding is the safety of both woman and child!

Folk Remedies: What Works and What’s Dangerous

Not all folk remedies for oral herpes are effective and safe. This should be taken seriously, as sometimes they can even worsen the condition of the mucosa and ulcers on it.

Safe options for folk remedies include chamomile, calendula, and sage decoctions. These can be used to rinse the oral cavity. Also safe is treating ulcers with sea buckthorn oil. It promotes faster healing.

What definitely doesn’t work in this case are baking soda, brilliant green (so-called “zelenka”), and other alcohol solutions. They can irritate the mucosa, intensify pain, and increase infection risk. Lip stomatitis is also categorically unsafe to treat with strong alkalis or any aggressive preparations. These only destroy the epithelium and provoke complications.

Better and more reliable than folk methods is still medication treatment. The most acceptable alternative of all is a very light, non-concentrated, and barely warm saline solution or chamomile decoction for rinsing. For quick and safe recovery—see a doctor! And remember: self-treatment can be risky.

Complications of Herpetic Stomatitis

Possible complications and negative consequences with improper or untimely treatment of herpetic stomatitis:

Secondary bacterial infection—this will intensify pain and inflammation
Generalization of the process—when the virus spreads to other areas of mucosa and even skin
Dehydration in children—often provoked by severe pain and, accordingly, increased salivation
Mucosal scarring—due to prolonged erosions and lack of proper oral care
Chronicity with frequent recurrences—happens with improper treatment. Then herpetic stomatitis transitions to a recurrent chronic form
Eye damage when infection is transferred by hands—serious conjunctivitis can develop
Severe cases—nervous system damage due to herpes spreading into the blood and then to nerves and brain. Rare, but this can lead to encephalitis, meningitis, or meningoencephalitis

Prevention of Herpetic Stomatitis

Primary Prevention

Primary prevention of herpetic stomatitis consists of the following measures:

Avoiding contact with infected individuals
Individual utensils and hygiene products
Strengthening immunity: hardening, vitamin therapy, complete nutrition
Hand hygiene compliance: regular washing, especially after being outside
Limiting visits to children’s groups during outbreaks, as transmission among children is significantly faster than among adults

Preventing Recurrences

Recurrence prevention consists of the following measures:

Supporting immunity: daily routine, adequate sleep, balanced nutrition
Avoiding triggering factors: stress, exposure to cold, mucosal injuries
Timely treatment of chronic diseases. They weaken overall immunity
Regular dental check-ups and oral sanitation
For frequent recurrences: preventive antiviral courses (for example, Acyclovir, prescribed by a doctor)

When You Must See a Doctor

It’s important to know the criteria requiring immediate medical attention with herpetic stomatitis. These are:

Temperature above 39°C that doesn’t come down
Child refusing to drink—there’s a risk of serious dehydration
Massive mucosal damage—a sign of severe course
Signs of bacterial infection—pus, bad breath
No improvement after 3-4 days
Eye involvement
Severe general condition—pale skin, severe weakness, seizures, and vomiting

Self-treating children with herpetic stomatitis, especially with the above signs, is unacceptable!

Questions and Answers (FAQ)

How many days is herpetic stomatitis contagious?

Herpetic stomatitis is contagious for approximately 4-7 days from the onset of symptoms, and most of all during the outbreak period.

Can herpetic stomatitis be cured at home?

Herpetic stomatitis can be cured at home—usually with topical agents and gentle folk methods. But only if it’s a mild stage. A consultation with a dentist is still mandatory, especially if it involves children, pregnant women, or an already severe course.

How can you distinguish herpetic stomatitis from aphthous?

You can distinguish herpetic stomatitis from aphthous by characteristic features. Herpetic has blisters (vesicles), clusters of these lesions, and is often accompanied by fever. Aphthous has only isolated ulcers (aphthae), no blisters, and no elevated temperature.

Can you brush your teeth with herpetic stomatitis?

You can brush your teeth with herpetic stomatitis. But this should be done carefully, preferably with a soft brush and non-aggressive, non-irritating toothpaste.

Written by Dr. Elena Tomashevskaya, Prosthodontist and Restorative Dentist