Most throat infections clear up on their own because the vast majority are caused by viruses, which antibiotics cannot touch. Streptococcal bacteria account for only about 5–10% of sore throats in adults and 15–30% in children, meaning the real question for most people is not which antibiotic to take but how to manage symptoms while the infection runs its course. What actually works spans a surprisingly well-studied range of options, from over-the-counter painkillers to a single dose of a steroid, and knowing which to reach for can shave hours off your misery.
Why Most Throat Infections Do Not Need Antibiotics
The instinct when your throat is raw and swollen is to get a prescription. But antibiotics only meaningfully help when the culprit is group A streptococcus (GAS), commonly called strep throat. A large Cochrane review found that antibiotics were significantly more effective at relieving symptoms by day three in people whose throat swabs tested positive for strep, while the benefit largely disappeared for those with negative swabs.1PubMed Central. Antibiotics for sore throat That tracks with what we know about the underlying cause: most sore throats stem from common cold viruses, influenza, or other respiratory viruses that antibiotics simply cannot treat.2Europe PMC / PubMed Central. Acute sore throat
Unnecessary antibiotic prescriptions are not just useless against viruses; they carry real downsides. Overprescribing is linked to a higher risk of side effects, more frequent return visits, and growing antibiotic resistance in the community.3PubMed Central. Antimicrobial resistance: risk associated with antibiotic overuse and initiatives to reduce the problem Throat infections, as one of the most common reasons for clinic visits, bear a disproportionate share of that antibiotic burden.4International Journal of Infectious Diseases. Antibiotic Over-prescribing in the Treatment of Pharyngitis Among Clinicians in Jamaica So the first honest step in getting rid of a throat infection is figuring out whether you actually need an antibiotic at all.
How Strep Throat Gets Diagnosed (and Why It Is Harder Than You Think)
Clinicians have long used scoring systems like the Centor and McIsaac scores to estimate how likely it is that a sore throat is caused by strep. These scores tally clinical signs: fever, swollen lymph nodes in the neck, white patches on the tonsils, and the absence of a cough. A high score makes strep more likely; a low score makes it less so. But a recent systematic review and meta-analysis concluded that these scores have limited diagnostic value and are “at best marginally better than chance” at identifying GAS pharyngitis on their own.5Clinical Microbiology and Infection. Diagnostic accuracy of Centor and McIsaac scores to identify group A streptococcal pharyngitis: a systematic review and meta-analysis A large validation study using retail health clinic data found an area under the curve of only about 0.72 for the Centor score, which is modest.6JAMA Internal Medicine. Large-Scale Validation of the Centor and McIsaac Scores to Predict Group A Streptococcal Pharyngitis
That is why most guidelines recommend confirming with a lab test rather than prescribing based on symptoms alone. The rapid antigen detection test (the quick swab you get in a clinic) is highly specific, meaning a positive result is very reliable, but its sensitivity can be inconsistent. One study found sensitivity of about 65% with a specificity around 97%.7PubMed. The sensitivity and the specifity of rapid antigen test in streptococcal upper respiratory tract infections Another found that sensitivity varied from 56% to 90% depending on who performed the test, with laboratory technologists consistently outperforming non-lab personnel.8PubMed Central. Performance of rapid streptococcal antigen testing varies by personnel In practical terms, a positive rapid test means you almost certainly have strep. A negative one is less conclusive, which is why a follow-up throat culture is sometimes recommended, especially in children.
Newer molecular tests (nucleic acid amplification, or NAAT) perform far better, with sensitivity and specificity both exceeding 95% in head-to-head comparisons with culture.9The Journal of Applied Laboratory Medicine. Comparison of 3 Nucleic Acid Amplification Tests and a Rapid Antigen Test with Culture for the Detection of Group A Streptococci from Throat Swabs These are becoming more widely available but are not yet the standard in every clinic. If you are told your rapid test is negative but your symptoms are severe, asking about a confirmatory culture or molecular test is reasonable.
When Antibiotics Are Warranted
If you do have confirmed strep, antibiotics serve two purposes: they shorten your illness somewhat, and they protect you from rare but serious complications. The modest symptom benefit in strep-positive patients, such as faster resolution of sore throat by roughly a day, has to be weighed against potential side effects and the broader impact on antibiotic resistance.10PubMed. Guideline for the management of acute sore throat But the complication-prevention argument is strong. A meta-analysis of older trials found that antibiotics reduced the risk of acute rheumatic fever by about 70% in people with suspected strep infections, with about 53 patients needing treatment to prevent one case.11PubMed Central. Antibiotics for the primary prevention of acute rheumatic fever: a meta-analysis Rheumatic fever can cause lasting heart damage, which is why the American Heart Association has long emphasized proper identification and treatment of GAS pharyngitis as the cornerstone of prevention.12PubMed. Prevention of rheumatic fever and diagnosis and treatment of acute Streptococcal pharyngitis
Standard first-line treatment for strep is penicillin or amoxicillin, typically for ten days. If you are allergic to penicillin, alternatives exist. The key point is to finish the full course even if you feel better after a few days, because incomplete treatment increases the odds of bacterial persistence and complications.
Pain Relief That Actually Shortens Your Suffering
Whether your throat infection is viral or bacterial, pain management is the treatment that makes the biggest immediate difference. Two over-the-counter options dominate: ibuprofen and acetaminophen (paracetamol). In a direct comparison using sore throat as a pain model, ibuprofen at 400 mg outperformed acetaminophen at 1000 mg on all pain-rating scales from the two-hour mark onward.13PubMed. Sore throat pain in the evaluation of mild analgesics Ibuprofen’s edge likely comes from its anti-inflammatory action on top of its painkilling effect, which helps with the swelling that makes swallowing painful.
That said, a meta-analysis of randomized trials looking at the common cold overall found no significant difference between NSAIDs and acetaminophen for general analgesic effect.14PubMed Central. A Comparison of the Efficacy and Safety of Non-Steroidal Anti-Inflammatory Drugs versus Acetaminophen in Symptom Relief for the Common Cold: A Meta-Analysis of Randomized Controlled Trial Studies The takeaway is that both work well enough if you cannot take one or the other, but when your main symptom is a severely sore throat, ibuprofen has the stronger evidence behind it. For people who can take both safely, alternating them can provide more consistent relief throughout the day.
The Steroid Shortcut
One of the most under-discussed treatments for sore throat is a single low dose of a corticosteroid, usually dexamethasone. A BMJ systematic review found that patients given a single dose (up to 10 mg of dexamethasone) were twice as likely to experience pain relief at 24 hours and about 1.5 times more likely to be pain-free at 48 hours compared to placebo. On average, the time to first pain relief arrived nearly five hours sooner, and complete resolution came about 11 hours earlier.15BMJ. Corticosteroids for treatment of sore throat: systematic review and meta-analysis of randomised trials A trial in children found similar results, with dexamethasone roughly halving the time to initial pain relief compared to placebo.16JAMA Pediatrics. Effectiveness of Oral Dexamethasone in the Treatment of Moderate to Severe Pharyngitis in Children
Corticosteroids are not sold over the counter for this purpose, so you would need a prescription. They work by tamping down inflammation in the throat tissue, which is why the relief is dramatic even though they do not kill the underlying pathogen. Not every clinician offers them routinely for sore throat, but if your pain is severe and you ask, the evidence supports a single-dose approach as both safe and effective in otherwise healthy adults.
Topical Treatments for Targeted Relief
Lozenges and throat sprays containing a local anti-inflammatory can provide relief right at the source. Flurbiprofen 8.75 mg, available in both spray and lozenge form in many countries, has been tested in randomized trials. One study found that both formulations provided comparable pain reduction within two hours, with the spray being non-inferior to the lozenge.17Journal of Pain Research. Efficacy of flurbiprofen 8.75 mg delivered as a spray or lozenge in patients with sore throat due to upper respiratory tract infection Both formats also significantly improved difficulty swallowing and throat swelling at one and two hours after use.18PubMed Central. Improvements in throat function and qualities of sore throat from locally applied flurbiprofen 8.75 mg in spray or lozenge format If you prefer not to take a systemic painkiller, or if you want to add something on top of ibuprofen, a medicated lozenge or spray with an anti-inflammatory ingredient is a reasonable option.
Plain throat lozenges without a drug ingredient still offer mild benefit simply by stimulating saliva production, which keeps the throat moist. Menthol lozenges add a cooling sensation that many people find soothing, though the effect is sensory rather than pharmacological.
Home Remedies, Sorted by Evidence
Honey consistently shows up as a useful remedy in the research. A systematic review and meta-analysis found that honey improved combined symptom scores for upper respiratory infections compared to usual care, with particular benefits for cough frequency and severity.19PubMed. Effectiveness of honey for symptomatic relief in upper respiratory tract infections: a systematic review and meta-analysis A spoonful of honey, or honey stirred into warm water or tea, coats the throat and likely has a mild anti-inflammatory and antimicrobial effect. It should not be given to children under one year old due to botulism risk.
Hot drinks are another common recommendation, and there is some evidence behind them. A study comparing a hot fruit drink to the same drink served at room temperature found that the hot version provided immediate and sustained relief from sore throat, tiredness, and chills, while the room-temperature version helped mainly with nasal symptoms.20PubMed. The effects of a hot drink on nasal airflow and symptoms of common cold and flu Tea, broth, and warm water with lemon all fall into this category. The mechanism is likely a combination of increased mucus flow, soothing of inflamed tissue, and simple hydration.
Cold drinks and ice pops are the opposite approach, and they work by a different route. Cold exposure can reduce the perception of pain and may decrease muscle spasm sensitivity in the throat.21Oral Biology Research. The underrated role of cold drinks in post-tonsillectomy care: a pediatric case study There is no rule that says you must choose one or the other. Some people find hot drinks more soothing, others prefer cold; either is fine, and staying hydrated matters more than the temperature.
Saltwater gargling is perhaps the most universally recommended home remedy, but the evidence behind it is thinner than most people assume. A lab study testing various gargle formulations against SARS-CoV-2 found that a 2% saltwater solution showed zero reduction in viral load even after 60 seconds of contact.22Nature / Scientific Reports. The effectiveness of various gargle formulations and salt water against SARS-CoV-2 Saltwater is not going to kill a pathogen, but many people report that gargling temporarily eases discomfort, probably by drawing fluid out of swollen tissue through osmotic effects. It is harmless and cheap, so there is no reason to stop if it feels helpful. Just do not expect it to shorten the infection.
Herbal and Alternative Options
Marshmallow root extract is one of the few herbal remedies with at least some user-reported outcome data for throat irritation. Two surveys of users found that marshmallow-root-based preparations provided good symptomatic relief for pharyngeal irritation and associated dry cough, with most users noticing effects within ten minutes.23PubMed. Marshmallow Root Extract for the Treatment of Irritative Cough: Two Surveys on Users’ View on Effectiveness and Tolerability The likely mechanism is a thick mucilage that physically coats the throat, similar to honey. The evidence base here is consumer surveys rather than controlled trials, so the confidence level is lower, but the risk of harm is also extremely low.
Complications Worth Knowing About
Most throat infections resolve without drama, but a small number progress into something that needs urgent attention. A peritonsillar abscess, sometimes called quinsy, happens when infection spreads from a tonsil into the surrounding tissue and forms a pocket of pus. Classic signs include severe pain concentrated on one side, difficulty opening the mouth, fever, and a muffled or “hot potato” voice.24PubMed Central. Ageusia: A Symptom of Peritonsillar Abscess? In children, deep neck infections can be particularly dangerous because they may obstruct the airway or spread into the chest.25PubMed. Deep neck space Infections in children If a sore throat is getting dramatically worse rather than slowly better, especially with one-sided swelling, increasing difficulty swallowing, or trouble breathing, that warrants an emergency visit rather than another day of lozenges.
Epiglottitis is another rare but life-threatening condition that often starts with what feels like a sore throat. In adults, it typically presents as severe difficulty swallowing that comes on over hours to days, sometimes with drooling, a muffled voice, and shortness of breath.26PubMed. High risk and low prevalence diseases: Adult epiglottitis A large case series found that sore throat was the presenting symptom in 95% of adult epiglottitis cases, meaning it can initially be mistaken for ordinary pharyngitis.27JAMA. Acute Epiglottitis in Adults: Analysis of 129 Cases The distinguishing features are rapid worsening and disproportionate difficulty swallowing relative to the degree of visible throat redness.
When a Sore Throat Is Not Really an Infection
A chronic or frequently recurring sore throat that does not come with fever, swollen glands, or other signs of infection may not be an infection at all. Acid reflux is one of the most common mimics. Laryngopharyngeal reflux, where stomach acid reaches the back of the throat, can cause persistent irritation, a scratchy feeling, and the sensation of a lump in the throat. Researchers found that reflux was significantly more common in patients with chronic nonspecific pharyngitis compared to controls, suggesting that undiagnosed reflux drives many cases of unexplained recurring throat discomfort.28PubMed. Laryngopharyngeal reflux might play a role on chronic nonspecific pharyngitis If your “throat infections” keep coming back despite negative strep tests and no clear viral pattern, reflux is worth investigating. Treatment shifts entirely in that case, toward acid-suppressing medication and dietary changes rather than antibiotics or painkillers.
Tonsillectomy for Recurring Infections
If you are someone who gets strep throat several times a year, the question of removing the tonsils inevitably comes up. The classic threshold for considering tonsillectomy, known as the Paradise criteria, requires a documented history of frequent, severe, and well-documented episodes over one to three years.29PubMed Central. Incidence of indications for tonsillectomy and frequency of evidence-based surgery In the original trial that established this standard, children who met the strict criteria and had their tonsils removed experienced significantly fewer throat infections over the following two years. But many children assigned to the non-surgical group also improved on their own, with most episodes being mild.30PubMed. Efficacy of tonsillectomy for recurrent throat infection in severely affected children
More recent research has pushed back on the strictness of current guidelines. A long-term outcome study found that tonsillectomy provided sustained quality-of-life improvement even in patients who did not quite meet the conventional criteria, and that the strongest predictor of benefit was how much the patient’s quality of life was impaired before surgery, not simply the number of documented episodes.31PubMed. Recurrent Acute Tonsillitis: Re-evaluating Surgical Indications Through Long-Term Outcome Assessment The surgery is not risk-free, with complications (mostly bleeding and pain) occurring in about 14% of patients in the original trial, though all were manageable. For adults, recovery tends to be more painful and prolonged than for children.
Probiotics as a Preventive Strategy
For people prone to recurrent strep infections, there is early but intriguing evidence around oral probiotics. The probiotic strain Streptococcus salivarius K12 colonizes the mouth and throat and produces compounds that inhibit the growth of strep bacteria. In a pediatric study, children with a history of frequent strep infections saw their monthly incidence drop dramatically during a 90-day course of this probiotic.32PubMed Central. Preliminary pediatric clinical evaluation of the oral probiotic Streptococcus salivarius K12 in preventing recurrent pharyngitis and/or tonsillitis caused by Streptococcus pyogenes and recurrent acute otitis media An adult study showed roughly an 80% reduction in strep pharyngitis episodes during 90 days of treatment, with about a 60% reduction persisting over the following six months.33PubMed. Clinical evaluation of the oral probiotic Streptococcus salivarius K12 in the prevention of recurrent pharyngitis and/or tonsillitis caused by Streptococcus pyogenes in adults A follow-up pilot study in children confirmed reduced infections, less antibiotic use, and fewer school absences.34PubMed Central. Pilot study to explore the prophylactic efficacy of oral probiotic Streptococcus salivarius K12 in preventing recurrent pharyngo-tonsillar episodes in pediatric patients
These studies are small and mostly unblinded, so the results should be taken as promising rather than definitive. But the safety profile of K12 is excellent, and for someone facing the choice between repeated antibiotic courses and tonsillectomy, it may be worth discussing with a doctor as an intermediate step.
The Toothbrush Question
A surprisingly common piece of advice is to replace your toothbrush after recovering from a throat infection. There is a grain of truth here. Researchers found that group A strep bacteria persisted on non-rinsed toothbrushes for up to 15 days after pharyngitis treatment. However, toothbrushes that were rinsed under running water after use showed no surviving bacteria beyond day three.35JAMA Otolaryngology–Head & Neck Surgery. Persistence of Group A β-Hemolytic Streptococci in Toothbrushes and Removable Orthodontic Appliances Following Treatment of Pharyngotonsillitis So rinsing your toothbrush thoroughly after each use is likely sufficient, though replacing it after a strep infection is cheap insurance if you are prone to recurrences. A separate study found that broader hygienic measures like washing bed linens and replacing toothbrushes did not significantly change the recurrence rate of strep in families, suggesting that re-infection from household contacts is a bigger factor than environmental contamination.36PubMed. Recurrence rate of streptococcal pharyngitis related to hygienic measures If one family member has strep and others in the household develop symptoms, testing and treating the contacts is more productive than deep-cleaning every surface.