Not Medical Advice: This article is an educational review of scientific literature and does not account for individual health conditions. Always consult with healthcare professionals before making any health-related decisions.

You've had a sore throat for two days. You've sucked on lozenges, sipped tea, maybe popped a painkiller. The pain fades for an hour, then comes right back. At some point the question shifts from "how do I feel better right now" to "is there anything that actually makes this go away faster?"

That's a surprisingly different question, and the research treats it differently too. Most sore throat products are designed to temporarily block pain signals. But recent studies focusing on a handful of treatments have observed something more: a potential for a shorter total time sick. The difference between "numbing" and the potential for "healing faster" turns out to matter a lot, and it's where the interesting findings are.

Wait, can saltwater gargling actually make my sore throat end sooner?

This one sounds like something your grandmother insisted on. But a 2025 review that pulled together 14 studies (including eight head-to-head comparison trials with over 2,300 patients) actually tested it^[1]. Here's what the data showed:

• Faster virus clearing: In the trials, lower amounts of virus and faster viral clearing were noted among people who used saline gargling, particularly when they started early in the infection ^[1]
• Symptoms resolved faster when severe: The research observed that people with worse symptoms at the start showed quicker improvement in the group using gargling compared to those not gargling ^[1]
• Shorter fever: The trials found that daily saline gargling was associated with a shorter duration of fever when compared to people who didn't gargle ^[1]
• Better daily functioning: One of the trials measured the ability to perform daily activities and revealed a significant improvement in the gargling group ^[1]
• Prevented taste/smell problems: The trials observed that starting daily gargling before losing taste or smell was associated with those symptoms not developing ^[1]

The review noted that saline doesn't work like a disinfectant killing germs on contact. The researchers observed outcomes suggesting a link between gargling and quicker recovery times among participants across multiple trials ^[1]. Think of it less like bleach and more like pressure-washing a driveway.

One important caveat: the studies were designed differently enough that the researchers couldn't combine all the numbers into one single conclusion ^[1]. The pattern was consistent, but the size of the benefit varied from study to study.

What's the difference between treatments that numb versus treatments that heal faster?

This is the key distinction buried in the research. Most over-the-counter sore throat products contain ingredients that temporarily block pain. That's useful, but it doesn't change how long you're actually sick. Research suggests that the treatments observed to shorten sickness duration in these studies were found to act differently:

• Pain blockers (like numbing sprays or basic lozenges) turn down the pain signal. When they wear off, you're right back where you started because the underlying inflammation hasn't changed.
• Anti-inflammatories applied to the throat: A review of 15 studies found that flurbiprofen (a type of anti-inflammatory drug applied directly to the throat as a spray or lozenge) was associated with not just a reduction in pain. The studies also observed reductions in swelling and difficulty swallowing ^[2]. That matters because swelling is part of the inflammatory process that keeps you feeling sick.
• Anti-inflammatory pills: In a look-back study comparing 120 patients on ketoprofen lysine salt (an anti-inflammatory pill) to 165 patients on steroid pills, observations indicated that symptoms seemed to linger in fewer patients in the anti-inflammatory group, and for a shorter time ^[5].

The pattern researchers observed across these studies: research often suggested that treatments focused on reducing inflammation (not just masking pain) were linked to shorter recovery. Inflammation is like a swollen pipe. Numbing agents don't reduce the swelling; they just make you stop noticing it. Anti-inflammatories are thought to work on the swelling itself.

Do anti-inflammatory throat sprays work better than pills for shortening recovery?

This is where the research gets a bit complicated, because the studies didn't directly compare sprays to pills head-to-head. But each approach has its own evidence:

• Throat sprays/lozenges (topical flurbiprofen): The review found that topical flurbiprofen was effective whether given as a single dose or multiple doses, and regardless of what form it came in (spray, lozenge, etc.) ^[2]. It also worked for sore throats caused by infections and sore throats from other causes (like post-surgery throat irritation) ^[2]. Importantly, no serious side effects were reported across all the included studies ^[2].
• Anti-inflammatory pills (ketoprofen lysine salt): In the look-back study of 285 COVID patients treated at home, the group taking this specific anti-inflammatory pill had a statistically lower rate of symptom persistence and shorter symptom duration than the steroid pill group ^[5]. Only 5% of the anti-inflammatory pill group ended up hospitalized, compared to 27% in the steroid group ^[5].
• Traditional herbal formulations: A double-blinded trial of 127 patients compared two traditional Chinese medicine formulations for mild COVID. The researchers found symptom remission rates at day 10 were 60.7% with one formulation and 58.3% with the other ^[4]. Neither formulation was clearly better than the other ^[4].

The honest takeaway: both topical and pill-form anti-inflammatories showed benefits, but for different outcomes in different study designs. The spray evidence is stronger for immediate symptom relief (pain, swelling, swallowing difficulty). The pill evidence is stronger for overall recovery timelines.

How much faster are we actually talking, hours or days?

Let's put real numbers on it:

• Saline gargling: The review found that people with severe symptoms at the start saw faster resolution with gargling, and daily gargling was linked to shorter fever duration ^[1]. The exact number of days saved varied across studies because they were designed differently ^[1].
• Anti-inflammatory pills vs. steroids: In the look-back study, symptoms lasted for a shorter period in the anti-inflammatory group (statistically significant difference, p = 0.046), and the virus cleared faster too ^[5]. The difference in hospitalization was dramatic: 5% vs. 27% ^[5].
• Herbal formulations: In the double-blinded trial, the researchers tracked symptom remission at day 10 and found that both treatment groups showed similar remission rates ^[4]. The study measured the primary outcome at day 10 after 7 days of treatment ^[4].

So the honest answer: we're mostly talking about days, not hours. And the benefits tend to be most noticeable in people who start early and have more severe symptoms to begin with. If your sore throat is mild and going away on its own in two days anyway, these interventions may not produce a dramatic difference.

Is there a catch, do the treatments that work fastest have worse side effects?

This is the reassuring part of the evidence:

• Saltwater gargling: The review found that isotonic saline (regular-strength salt water) was best tolerated ^[1]. No serious side effects. It's salt and water.
• Topical flurbiprofen: Across all 15 studies in the review, no serious adverse effects were reported ^[2]. That's a notable safety record for an anti-inflammatory drug.
• Ketoprofen lysine salt pills: The look-back study didn't report specific side effect rates for this anti-inflammatory, but the steroid comparison group actually fared worse overall, with higher hospitalization rates and longer virus-shedding periods ^[5]. The study authors suggested that steroids may have suppressed the immune response too much during the early phase of infection ^[5].
• Traditional herbal formulations: In the double-blinded trial, adverse event rates didn't differ between the two groups, and no severe adverse events were documented in either ^[4].

One general note worth keeping in mind: anti-inflammatory drugs (whether applied to the throat or swallowed as pills) can cause stomach irritation in some people, especially with repeated use. These studies reported safety within their specific time frames and doses, so the "no serious side effects" finding applies to how the studies used them, not to unlimited use.

💊 Bottom Line

The research splits sore throat treatments into two categories that matter more than most people realize: things that mask the pain and things that may actually shorten how long you're sick. Saltwater gargling (started early) consistently showed faster recovery across multiple trials ^[1]. Topical and pill-form anti-inflammatories showed benefits for both symptom relief and duration, with reassuringly clean safety profiles ^{[2] [5]}. The gains are measured in days rather than hours, and they're most visible when treatment starts early and symptoms are more than just a mild tickle.

The one thing worth texting a friend: plain saltwater gargling, started at the first sign of a sore throat, has a surprising amount of clinical trial evidence behind it. The research shows consistent associations between early gargling and faster recovery across multiple studies ^[1].

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Sources I drew from for this post

[1] Huijghebaert S, Fabbris C, Baxter A, et al. Saline nasal irrigation and gargling in COVID-19: Part II. Outcomes in Omicron and risk-benefit for self-care. Frontiers in public health. 2025.

[2] Dragaš E, Tomljenović D, Rašić I, et al. Efficacy of Locally Applied Flurbiprofen in Sore Throat Treatment: A Scoping Review. Biomedicines. 2025.

[3] Cardinale F, Barattini D, Sbrocca F, et al. The Effects of a Dietary Supplement (PediaFlù) Plus Standard of Care in Children With Acute Tonsillopharyngitis/Rhinopharyngitis: Protocol for a Randomized Controlled Trial. JMIR research protocols. 2024.

[4] Li Y, Chi Y, Zhu M, et al. Efficacy of Kegan Liyan oral liquid vs. Lianhuaqingwen capsules for patients with mild COVID-19: a double-blinded, randomized, controlled, non-inferiority trial. Frontiers in medicine. 2025.

[5] Mariniello D, Pagliaro R, D'Agnano V, et al. Ketoprofen Lysine Salt Versus Corticosteroids in Early Outpatient Management of Mild and Moderate COVID-19: A Retrospective Study. Pharmacy (Basel, Switzerland). 2025.

[6] LePetri B, Bartoli C, Castillo C. Physician attitudes toward natural syrup formulations for cough and sore throat: a multinational cross-sectional survey of 398 healthcare professionals across 13 countries. Frontiers in pharmacology. 2026.