Does chronic tonsillitis cause fever?

Written by Li Rui
Otolaryngology
Updated on May 11, 2025
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Chronic tonsillitis is a relatively common ENT (Ear, Nose, and Throat) disease with various clinical symptoms. Most patients may experience enlarged tonsils, a sensation of a foreign body in the tonsils, and recurrent sore throat, though the pain generally isn't very severe. Patients with chronic tonsillitis usually do not have a fever. However, if an acute episode of chronic tonsillitis occurs, it may cause fever, primarily due to acute bacterial infection leading to fever. In terms of treatment, blood tests and laryngoscopic examinations are necessary to observe the extent of the inflammation. Generally, antibiotic treatment to fight the infection is considered, with a treatment period of about one week. (Please use medication under the guidance of a doctor.)

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Written by Deng Bang Yu
Otolaryngology
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Treatment course for acute tonsillitis.

Acute tonsillitis is an acute, infectious inflammation of the tonsils, primarily caused by bacterial infection. For the treatment of acute tonsillitis, we mainly adopt antibiotic treatment for infection. The general course of treatment lasts 7-10 days, especially for acute suppurative tonsillitis, which may even extend to about 10-14 days. Clinically, we primarily administer cephalosporin antibiotics to control the infection. If the infection is severe, we may even opt for infusion therapy to counter the infection. During the infusion, we can administer some corticosteroids such as dexamethasone to treat concurrently, enhancing the anti-inflammatory effect. Clinically, we should pay attention to drinking plenty of water and eating a light diet, avoiding spicy and irritating foods.

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Written by Deng Bang Yu
Otolaryngology
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Symptoms of acute tonsillitis

Acute tonsillitis is an acute infectious disease of the tonsils, primarily caused by bacterial infection. Clinically, it mainly manifests as pain in the throat area, and sometimes the pain is very severe, even radiating to the base of the ears and down to the jaw. Additionally, there might be systemic symptoms such as loss of appetite, overall lethargy, weakness in the limbs, fever, night sweats, and chills. Generally, the presence of systemic symptoms indicates a severe infection of tonsillitis, requiring treatment through intravenous fluids. Clinical examinations can reveal enlarged tonsils, congested surfaces, and the presence of pin-point-like gray or white purulent secretions.

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Written by Gui Xiao Yan
Internal Medicine
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How to reduce fever caused by tonsillitis?

Inflammation of the tonsils often causes fever. If the temperature increase is not very significant, physical methods such as using ice packs or fever patches can be utilized to reduce the fever. When applying ice packs, you can wrap ice cubes with a dry towel and place them on areas such as the forehead, neck, armpits, groin, and the hollow behind the knees, where large blood vessels pass and cooling effects are good. Besides, wiping the skin with warm water or alcohol can accelerate heat dissipation. Once the body temperature exceeds 38.5℃, antipyretic drugs should be administered, with acetaminophen and ibuprofen being the most commonly used in clinical settings. Tonsillitis is mainly caused by pathogenic microorganisms such as bacteria and viruses, and appropriate anti-infection treatment should be taken after identifying the pathogen. (Please follow medical advice when using medications)

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Written by Deng Bang Yu
Otolaryngology
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What should be avoided in the diet for acute tonsillitis?

Acute tonsillitis is primarily caused by an acute infectious inflammation of the tonsils due to bacterial infection, which may also initially involve viral infections. The main bacteria involved are Staphylococcus aureus and hemolytic streptococcus. The dietary restrictions for acute tonsillitis mainly include the following: Firstly, in terms of diet, it is important to eat light, nutritious, and easily digestible foods. Spicy and stimulating foods such as tobacco and chili peppers should be avoided, as these irritants can cause further congestion and swelling of the mucous membranes, exacerbating the condition during the acute phase. Secondly, attention should be given to substances such as mangoes and seafood, which can cause allergies. If a patient is allergic to these substances, consuming them can trigger allergic symptoms, aggravating the clinical symptoms of acute tonsillitis and worsening the condition. Thirdly, it is important to ensure that the food consumed is neither too hot nor too cold, as extreme temperatures can affect the recovery from the illness.

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Written by Deng Bang Yu
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Is acute tonsillitis contagious?

Acute tonsillitis is an acute infectious inflammation of the tonsils, primarily caused by bacterial infection, though it often also involves viral infection. Acute tonsillitis is mildly contagious; the contagion is not severe or serious, and general isolation is not necessary. It is sufficient to take some precautions in daily life, such as avoiding kissing and the mouth-to-mouth transfer of food. Generally speaking, the contagiousness of acute tonsillitis is relatively weak. Appropriate use of a mask for local isolation, such as wearing a mask to prevent transmission, is sufficient without the need for other special treatments.