Why Do People Get The Tonsils Removed?

Tonsil removal is one of the most common surgeries performed in the United States, yet many people only think about it when they are facing the decision themselves or for their child. The tonsils are two oval-shaped pads of tissue at the back of the throat, and while they help fight infection in young children, they often become more trouble than they are worth. People get their tonsils removed primarily for two reasons: recurrent infections that keep coming back despite treatment, and obstructed breathing during sleep, which is a serious health concern. When these issues become frequent or severe enough to affect daily life, overall health, or quality of sleep, doctors typically recommend a tonsillectomy.

What Do the Tonsils Actually Do?

The tonsils are part of the immune system. They act as a first line of defense, trapping bacteria and viruses that enter through the mouth and nose. In children under three years old, they are quite active in producing antibodies to fight off these germs.

As children grow older, their immune system matures and develops other, more sophisticated ways to fight infection. By the time a child reaches school age, the tonsils become less important. The body no longer relies on them for protection. This is why removing them in older children and adults rarely causes any increase in infections elsewhere.

For most people, the tonsils shrink naturally over time. But for some, they stay large or become a chronic source of infection. When that happens, the tissue that was meant to protect you becomes a problem itself.

Why Do People Get The Tonsils Removed for Infections?

Recurrent tonsillitis is the most common reason for tonsil removal in children. Tonsillitis is an infection of the tonsils. It causes a sore throat, difficulty swallowing, fever, and swollen glands in the neck.

Most people get a sore throat a few times a year, and it resolves on its own or with antibiotics. That is normal and does not require surgery. The decision to remove the tonsils is based on how often the infections happen and how severe they are.

Doctors generally consider surgery when a patient has had a specific number of infections in a defined period. For example, a common threshold is seven or more episodes of tonsillitis in one year, five or more episodes in each of two consecutive years, or three or more episodes in each of three consecutive years. These numbers are not arbitrary. They are based on research showing that a child who reaches these thresholds is likely to continue having frequent infections without surgery.

Each episode must be a true tonsil infection, not just a mild sore throat. The episode should be documented by a doctor and involve symptoms like fever, swollen lymph nodes, or pus on the tonsils. A child who simply catches every cold that goes around the classroom is not necessarily a candidate for surgery.

For adults, the threshold is lower. Adults tend to have more severe symptoms and more complications from tonsillitis than children. An adult who has had three or four episodes of tonsillitis in a single year may be a candidate for surgery. Adults also recover more slowly from the surgery itself, so the decision is weighed carefully.

When Enlarged Tonsils Cause Breathing Problems

The second major reason for tonsil removal is obstruction. Some people, especially children, have tonsils that are so large they block the airway. This is called tonsillar hypertrophy.

When the tonsils are this large, they can cause a condition called obstructive sleep apnea. During sleep, the throat muscles relax. If the tonsils are already taking up space, the airway can collapse completely. Breathing stops for a few seconds, then the person wakes up just enough to gasp for air. This can happen dozens or even hundreds of times a night.

This is not just loud snoring. Obstructive sleep apnea in children is linked to poor growth, behavioral problems, difficulty concentrating in school, and even cardiovascular issues. The child is not getting restorative sleep, and their body is under stress all night.

Parents often notice the signs before a doctor does. A child might snore loudly every night, breathe through their mouth, or seem restless in bed. Some children sleep in odd positions, like with their neck hyperextended, trying to keep the airway open. Bedwetting that was previously resolved can return. Daytime symptoms include irritability, difficulty paying attention, and falling asleep in school.

Removing the tonsils and adenoids, a similar tissue located higher up behind the nose, is the first-line surgical treatment for obstructive sleep apnea in otherwise healthy children. Studies consistently show that this surgery significantly improves breathing during sleep and resolves apnea in the majority of children.

Less Common Reasons for Tonsil Removal

Infections and obstruction cover the vast majority of tonsillectomies, but there are other situations where surgery is warranted.

A peritonsillar abscess is a collection of pus behind the tonsil. It is a painful complication of tonsillitis that can make it difficult to open the mouth or swallow. It requires immediate drainage and antibiotics. If a person has had one abscess, some doctors recommend tonsillectomy to prevent another one, since recurrence is possible.

Suspected cancer is a rare but serious reason for tonsil removal. A tonsil that is enlarged on only one side, has an unusual appearance, or does not heal despite treatment may need to be biopsied. In some cases, the entire tonsil is removed as the biopsy. Risk factors for tonsil cancer include smoking, heavy alcohol use, and infection with HPV, the human papillomavirus.

There is also a condition called tonsilloliths, or tonsil stones. These are small, calcified deposits that form in the crevices of the tonsils. They can cause bad breath, a feeling of something stuck in the throat, or an irritating cough. Tonsil stones are not dangerous, and most people manage them with good oral hygiene and gargling. Surgery is only considered for people who have large, recurrent stones that significantly affect their quality of life.

How Effective Is Tonsil Removal?

For children with obstructive sleep apnea, the evidence is strong. Tonsillectomy is highly effective at opening the airway and improving sleep quality. Most children show marked improvement in breathing, behavior, and daytime alertness after surgery.

For recurrent infections, the evidence is more nuanced. Tonsillectomy does reduce the number of sore throats a child gets. Research shows that children who have surgery have fewer throat infections in the following year compared to children who do not have surgery. However, the difference narrows over time. After two or three years, the rate of sore throats becomes similar between the two groups.

This does not mean the surgery failed. The benefit is that it gets the child through the most difficult period of recurrent infections. It also reduces the severity of the infections that do occur. Children who have surgery tend to have milder sore throats when they do get sick.

It is also worth noting that a tonsillectomy does not prevent all sore throats. The surgery removes the tonsils, but other tissues in the throat can still become infected. A child can still get pharyngitis, which is a sore throat from inflammation of the back of the throat. The key difference is that these infections are typically less severe and less frequent than chronic tonsillitis.

What Does Recovery Look Like?

Recovery from a tonsillectomy is often harder than people expect. The throat is raw and painful after surgery, and the pain can last for up to two weeks. Adults generally have a more painful recovery than children.

Pain management is a critical part of recovery. Patients are typically advised to take pain medication on a schedule, not just when the pain becomes unbearable. Staying ahead of the pain makes it easier to eat and drink, which is essential for healing. Dehydration is the most common reason for a return visit to the hospital after a tonsillectomy.

Eating soft, cool foods like ice cream, yogurt, and applesauce is recommended in the first few days. Chewing gum and swallowing frequently can help reduce throat muscle spasms. It is important to avoid hard, crunchy, or acidic foods that can irritate the healing tissue.

A rare but serious complication is bleeding after surgery. This occurs in about 1% to 5% of patients. Bleeding can happen in the first 24 hours after surgery, or later, when the scabs begin to fall off, usually around day five to ten. Any bright red blood from the mouth or nose after a tonsillectomy warrants an immediate call to the surgeon or a trip to the emergency room.

Are There Alternatives to Surgery?

For recurrent infections, there is no perfect alternative to surgery. Antibiotics treat each individual infection, but they do not prevent future infections. For children who meet the criteria for surgery, waiting and treating each episode with antibiotics is a reasonable option, but it means more missed school days, more doctor visits, and more discomfort.

Some research has looked at the use of probiotics or other supplements to reduce the frequency of tonsillitis. The evidence is limited and does not consistently show a strong benefit. No supplement has been proven to prevent tonsil infections.

For enlarged tonsils causing sleep apnea, the alternative depends on the cause. In children, if the tonsils are the primary problem, there is no effective medical therapy that shrinks them. Surgery is the standard treatment. In adults, enlarged tonsils are less often the sole cause of sleep apnea. Adults may be offered continuous positive airway pressure (CPAP) therapy or other treatments for sleep apnea before considering surgery.

Making the Decision

The decision to remove tonsils is not made lightly. It is a balance between the burden of the current problem and the risks and discomfort of surgery.

For a child who has had six episodes of tonsillitis in a year, each requiring a week of missed school and antibiotics, surgery often makes sense. For a child who snores but has no other symptoms of sleep apnea, surgery may not be necessary. The key is a thorough evaluation by an ear, nose, and throat specialist (ENT) who can weigh the specific circumstances.

Parents should ask questions. How many infections has my child actually had that were confirmed as tonsillitis? How severe is the sleep apnea? What is the surgeon’s experience with complications? Getting clear answers to these questions helps families make an informed choice.