Reasons for adenoid hypertrophy in children

Written by Huang Kun Mei

Pediatrics

Updated on March 14, 2025

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There are many causes of adenoid hypertrophy in children, most of which are due to infections. For instance, infections like pharyngitis or sinusitis can trigger adenoid hypertrophy. If a child experiences adenoid hypertrophy, it is recommended to visit the otolaryngology department of the hospital for a checkup. After a detailed examination to determine the specific cause, treatment can be tailored based on the child's individual condition. It is important to avoid greasy, spicy, and irritating foods when dealing with adenoid hypertrophy. It's advised that children consume plenty of fresh vegetables and fruits and engage in more outdoor activities.

Other Voices

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Written by Deng Bang Yu

Otolaryngology

1min

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Can adenoid hypertrophy recur after removal?

The adenoid is located in the lymphatic epithelial tissue of the nasopharyngeal area. Enlargement of the adenoid can block breathing and obstruct the pharyngeal opening of the Eustachian tube, leading to secretory otitis media, and may result in secondary infections of the sinuses. Therefore, for symptoms such as snoring and hearing loss that occur simultaneously after adenoid enlargement, surgical removal is performed. The adenoid does not have a complete capsule, so it is only possible to remove the adenoid tissue as much as possible, and it cannot guarantee the complete removal of all adenoid tissue. Therefore, there is a small rate of recurrence after adenoid removal, with a recurrence rate of about 0.5%, meaning that the recurrence leading to the reappearance of symptoms is around 0.5%. Whether further treatment is needed after recurrence requires an in-person assessment at a hospital.

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Written by Zhang Jun

Otolaryngology

1min 10sec

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Can you get vaccinated if you have enlarged adenoids?

Adenoid hypertrophy needs to be distinguished first between acute and chronic hypertrophy. If it is acute adenoid hypertrophy, vaccination should not be administered. Acute adenoid hypertrophy is most often caused by an acute inflammatory infection, usually secondary to acute rhinitis or sinusitis. When the inflammation affects the adenoids, it leads to congestion, edema, enlargement, and hyperplasia, resulting in clinical symptoms such as nasal congestion, ear stuffiness, and ear pain. The treatment primarily involves symptomatic anti-inflammatory treatment, along with nebulized inhalation to alleviate local congestion and edema, which can lead to gradual improvement. Vaccination can be administered once the inflammation has subsided. However, if it is chronic hypertrophy, patients can be vaccinated. Chronic hypertrophy is mostly due to continuous slow enlargement and hyperplasia of the adenoids caused by chronic inflammatory stimulation, leading to symptoms like snoring during sleep and mouth breathing. In such cases, adenoidectomy can be curative.

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Written by Deng Bang Yu

Otolaryngology

47sec

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How is adenoid hypertrophy surgery performed?

The adenoid is a lymphoepithelial tissue located in the nasopharyngeal region. Enlargement of the adenoid can block the nasal passages, leading to snoring and sleep apnea, often requiring surgical removal of the adenoid. The surgery is performed under general anesthesia. Firstly, we use a catheter to suspend the soft palate to expose the adenoid tissue. Then, using a nasal endoscope, with the right hand holding a plasma knife, the enlarged adenoid is ablated. The surgery involves inserting the nasal endoscope and adenoid knife through the mouth. The procedure is relatively short, lasting about five to ten minutes. There is very little bleeding after the surgery, making it truly a minimally invasive procedure.

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Written by Xu Qing Tian

Otolaryngology

47sec

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Does adenoid hypertrophy have a strange smell?

Adenoid hypertrophy is a common ENT disease, mostly seen in infants and young children aged 5 to 7 years. Before surgery for adenoid hypertrophy, the blockage of the posterior nasal aperture can cause edema, inflammation, and purulent secretions in the sinus and nasal mucosa, leading to an unpleasant odor in the nasal cavity. Patients with adenoid hypertrophy usually need to undergo adenoidectomy using a plasma knife. After the surgery, local burns can cause necrosis of the mucosa, resulting in bad odors in both the nasal and oral cavities. Therefore, for patients with adenoid hypertrophy, the main approach is to maintain oral hygiene, which can help reduce the unpleasant nasal odors.

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Written by Zhang Jun

Otolaryngology

1min 8sec

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Does adenoid hypertrophy require nasal irrigation?

Enlarged adenoids require nasal cleansing, which can be done using saline solution for nasal irrigation. During irrigation, the inflammatory secretions on the surfaces of the nasal cavity and the pharyngeal adenoids can be washed off, thereby alleviating the symptoms of enlarged adenoids. This can relieve the patient's nasal congestion and snoring during sleep. This is a conservative treatment method for enlarged adenoids. Additionally, during the acute phase of enlarged adenoids, symptomatic anti-inflammatory treatment is also necessary, using antibiotics such as penicillins or cephalosporins, which are effective. Administration of budesonide via nebulization can also be combined to reduce congestion and edema of the mucous membrane on the surface of the adenoids, relieving symptoms. If the adenoids remain enlarged for an extended period, and conservative treatments are ineffective, and if the patient has severe snoring symptoms, then adenoidectomy might be necessary to completely cure the condition. (Medications should be used under the guidance of a doctor.)