Tonsil removal is typically recommended when you’re getting at least seven documented throat infections in a single year, at least five per year for two consecutive years, or at least three per year for three straight years. Those thresholds, known as the Paradise Criteria, are the most widely used benchmark. But recurring infections aren’t the only reason. Sleep-disordered breathing, suspected cancer, and a handful of less common conditions can also make surgery the right call.
The Infection Threshold
Not every sore throat counts toward the threshold. Each episode needs to come with at least one of the following: a fever above 101°F, swollen lymph nodes in the neck, visible white or yellow coating on the tonsils, or a positive strep test. If your infections are frequent but mild, with none of those features documented, most surgeons will hold off.
The reason for such specific numbers is that many people with frequent sore throats improve on their own over the next year or two. Surgery makes the most sense when the pattern is clearly established, persistent, and disruptive enough that the recovery from surgery is a better trade-off than continuing to miss work or school.
Sleep-Disordered Breathing in Children
In children, the most common reason for tonsil removal isn’t infection at all. It’s obstructive sleep-disordered breathing, where enlarged tonsils physically block the airway during sleep. Signs include loud snoring, pauses in breathing, restless sleep, daytime sleepiness, behavioral problems, bedwetting, poor school performance, and being small for their age. The American Academy of Otolaryngology recommends tonsillectomy for children whose obstructive sleep apnea is confirmed by an overnight sleep study.
Not every child needs that formal sleep study, though. It’s specifically recommended when the child has complicating conditions like obesity, Down syndrome, craniofacial differences, neuromuscular disorders, or sickle cell disease. It’s also warranted when what the parents describe doesn’t match what the doctor sees on exam, for instance, when the tonsils look only mildly enlarged but the child’s symptoms are severe. For otherwise healthy children with clearly enlarged tonsils and obvious breathing difficulty during sleep, the clinical picture may be enough.
A Single Enlarged Tonsil
If one tonsil is noticeably larger than the other, especially in an adult, that asymmetry raises concern for lymphoma or squamous cell carcinoma. Some people with tonsil cancer have no symptoms at all and are referred only because a doctor noticed the size difference during a routine exam. When malignancy is suspected, surgeons generally remove both tonsils because of a small rate of cancer appearing on both sides simultaneously.
PFAPA Syndrome
Children with PFAPA syndrome experience clockwork-like episodes of high fever, mouth sores, sore throat, and swollen neck glands, cycling every few weeks. This condition is one of the clearest cases where tonsillectomy is highly effective. In a long-term follow-up study, 91% of children had complete resolution of their fever episodes immediately after surgery. Of the remaining patients, one had a single post-surgical episode and then stopped, and another achieved full remission within three months.
Tonsil Stones Alone Rarely Qualify
Tonsil stones are a common nuisance, causing bad breath, a sensation of something stuck in the throat, and occasional soreness. But tonsillectomy is not routinely offered for tonsil stones when recurrent infections aren’t also a factor. Most guidelines treat it as a quality-of-life issue that should first be managed with self-care (regular gargling, water irrigation, manual removal). Surgery for stones alone typically requires an individual funding request, meaning your doctor would need to argue that your case is exceptional enough to justify the procedure.
Partial vs. Total Removal
Two main surgical approaches exist. Total tonsillectomy removes the entire tonsil including its outer lining. Partial tonsillectomy (sometimes called tonsillotomy) shaves the tonsil tissue down but leaves that outer capsule intact. The capsule acts as a natural bandage over the throat muscles, which translates to real differences in recovery.
In one study comparing the two techniques, the bleeding rate within the first 24 hours was 1.6% for partial removal versus 5.4% for total removal. A separate review of 450 cases found an even wider gap: 0.7% versus 6.8%. Both approaches had similar one-year infection recurrence rates, with no statistically significant difference. For children whose main issue is airway obstruction rather than infection, partial removal offers a gentler recovery with comparable results. For recurrent infections, either approach works, but your surgeon may prefer total removal to reduce the small chance of tonsil tissue regrowing.
What Recovery Looks Like
Recovery from tonsillectomy is harder for adults than children, both in pain intensity and duration. Most adults feel progressively worse during the first five to six days rather than better, which catches many people off guard. The pain typically peaks around days three through six, driven by the scabs forming and tightening across the surgical site.
There are no strict dietary limits. As your appetite returns, eating solid food is actually encouraged because chewing helps the throat muscles stay active and heal. The main risk during recovery is delayed bleeding, which occurs between 24 hours and about 10 days after surgery at a rate of roughly 5.8% across surgical techniques. This bleeding usually happens when the scabs in the throat begin to separate. Any bright red blood or persistent oozing during this window warrants immediate medical attention. Most adults return to normal activities within two weeks, though some throat discomfort can linger slightly longer.
Long-Term Effects on Immunity
Tonsils are part of the immune system, which understandably makes people wonder whether removing them leaves you more vulnerable. The research is genuinely mixed. One large population study found that tonsillectomy was associated with a nearly threefold increase in upper respiratory diseases, while another national cohort study found no difference in respiratory infection rates between people who had the surgery and those who didn’t. There’s also evidence that deep neck infections may be slightly more common after tonsillectomy.
What the data does consistently show is that tonsillectomy doesn’t appear to impair cellular immunity in a meaningful, measurable way. The body has plenty of other lymphoid tissue throughout the throat and airways that compensates. For most people, the benefits of removing chronically infected or obstructive tonsils outweigh the theoretical immune trade-off, but it’s one reason surgery is reserved for cases that genuinely meet clinical thresholds rather than offered for occasional sore throats.