Most tonsillitis is caused by viruses and clears up on its own within about a week with rest and symptom management. Bacterial tonsillitis, which accounts for a smaller share of cases, requires antibiotics. The “cure” depends entirely on which type you have, so the first step is figuring that out.
Viral vs. Bacterial: Why It Matters
Viruses cause 70% to 95% of tonsillitis cases. The remaining 5% to 15% in adults (and 15% to 30% in children) are bacterial, most often from group A Streptococcus, the same bug behind strep throat. This distinction matters because antibiotics only work on bacterial infections. Taking them for a viral case won’t speed recovery and contributes to antibiotic resistance.
A few clues can help you tell the difference. Viral tonsillitis tends to come with cold-like symptoms: a cough, runny nose, or red eyes. Bacterial tonsillitis is more likely to show up with a fever above 100.4°F, white or yellow patches on the tonsils, swollen and tender lymph nodes under the jaw, and no cough at all. These aren’t definitive on their own, though. A rapid strep test at a clinic takes minutes and is highly accurate when positive. If the rapid test comes back negative but your doctor still suspects strep, especially in a child, a throat culture can confirm within a day or two.
Managing Symptoms at Home
Whether your tonsillitis is viral or bacterial, the pain and swelling feel the same, and the same strategies help you get through it.
Over-the-counter pain relievers are the most effective tool. Ibuprofen tends to outperform acetaminophen for throat pain because it reduces both pain and inflammation. In one clinical trial, 400 mg of ibuprofen provided significantly better relief than 1,000 mg of acetaminophen at every time point past two hours. Either option is reasonable, but if swelling is a major part of your discomfort, ibuprofen has the edge. For children, use age-appropriate liquid formulations and follow weight-based dosing on the package.
Hydration is critical. A sore, swollen throat makes swallowing unpleasant, so people (especially kids) tend to drink less, which slows recovery. Cold fluids often feel best. Ice pops, smoothies, and chilled water can soothe inflamed tissue while keeping you hydrated. Warm broth or strained soup works well too, depending on your preference.
What to Eat When Swallowing Hurts
Stick with soft, non-irritating foods. Good options include oatmeal or cream of wheat, mashed potatoes, scrambled eggs, yogurt, pudding, ice cream, soft bananas, and well-cooked pasta like macaroni and cheese. Soups are excellent as long as they don’t have sharp or crunchy chunks.
Avoid anything acidic or rough-textured. Citrus fruits and juices (orange, lemon, grapefruit, lime), tomato-based sauces, carbonated drinks, and crunchy or fried foods can all irritate raw throat tissue and make the pain worse.
When Antibiotics Are Needed
If a strep test confirms bacterial tonsillitis, your doctor will prescribe antibiotics. The first-line choices recommended by the CDC are penicillin or amoxicillin, taken for a full 10-day course. Most people start feeling better within two to three days of starting antibiotics, but finishing the entire course is important. Stopping early can leave bacteria behind and increase the risk of complications.
If you’re allergic to penicillin, several alternatives are available, including certain antibiotics in the cephalosporin or macrolide families. Your doctor will choose based on the type and severity of your allergy.
Bacterial tonsillitis takes about 10 days to fully resolve with treatment. You’re generally no longer contagious after 24 hours on antibiotics, which is the typical threshold for returning to school or work.
How Long Recovery Takes
For viral tonsillitis, most symptoms peak in the first two to three days and then gradually improve. The whole episode typically runs about one week. There’s no way to shorten it, only to manage the discomfort while your immune system does the work.
Bacterial tonsillitis follows a similar timeline when treated with antibiotics: noticeable improvement within a few days, full resolution in about 10 days. Without antibiotics, it can drag on longer and carries a real risk of complications.
Risks of Leaving Bacterial Tonsillitis Untreated
Untreated strep tonsillitis can lead to a peritonsillar abscess, a pocket of pus that forms next to the tonsil. This causes severe one-sided throat pain, difficulty opening the mouth, and a visibly swollen area in the back of the throat. Left untreated, a peritonsillar abscess can become life-threatening if the infection spreads to surrounding tissue or enters the bloodstream. Prompt treatment of the initial bacterial infection is the best way to prevent this.
Rheumatic fever is another rare but serious complication of untreated strep. It can cause lasting damage to the heart valves. This is one of the key reasons doctors take strep throat seriously even though the infection itself often feels manageable.
When Surgery Becomes an Option
Tonsillectomy isn’t a first-line treatment, but it becomes a reasonable option for people who get tonsillitis repeatedly. The widely used Paradise criteria suggest considering surgery if you’ve had seven or more episodes in a single year, five or more per year for two consecutive years, or three or more per year for three consecutive years. These thresholds apply mainly to children, who are more likely to experience recurrent infections, but adults with chronic tonsillitis may also be candidates.
Recovery from a tonsillectomy typically takes one to two weeks. The throat pain after surgery can be significant, especially in adults, and the same soft-food diet described above applies during healing. For people who meet the criteria, though, removing the tonsils dramatically reduces the frequency of throat infections going forward.