Honey is one of the most effective home remedies for a sore throat, backed by enough clinical evidence that health authorities in the UK now list it as a self-care option for acute cough and throat irritation. It coats and soothes irritated tissue, fights bacteria naturally, and in studies has outperformed doing nothing by a wide margin. For most people over age one, a spoonful of honey is a safe, inexpensive first step before reaching for anything else.
How Honey Soothes and Protects the Throat
Honey works on a sore throat through several mechanisms at once. Its thick, viscous texture forms a coating over inflamed tissue, which reduces the raw, scratchy feeling and helps suppress the cough reflex. But it’s doing more than just sitting there.
Honey’s high sugar concentration and low moisture content create what’s called an osmotic effect: bacteria need water to survive, and honey essentially pulls moisture away from them. On top of that, honeybees produce an enzyme that converts glucose into hydrogen peroxide during the honey-making process. That hydrogen peroxide stays trapped in the honey and, combined with honey’s naturally low pH, creates an environment where most harmful bacteria simply can’t grow. So while honey feels soothing, it’s also actively working against the microbes that may be contributing to your sore throat.
What the Clinical Evidence Shows
The strongest evidence for honey comes from studies on upper respiratory infections, the kind that cause a sore throat, cough, and congestion all at once. In a well-known pediatric study published in The Journal of Pediatrics, honey reduced cough severity by 47.3% compared to a 24.7% reduction with no treatment. The overall symptom score dropped by 53.7% with honey versus 33.4% without it. Both differences were statistically significant.
Perhaps more telling: honey performed just as well as dextromethorphan, the active ingredient in most over-the-counter cough suppressants. There were no significant differences between the two. That finding is part of why the UK’s National Institute for Health and Care Excellence (NICE) now includes honey in its guidelines as a self-care option for acute cough in people over one year old.
How Much to Take and How to Use It
The Mayo Clinic suggests half a teaspoon to one teaspoon (2.5 to 5 milliliters) as a dose for children ages one and older. Adults can take a full tablespoon. You can swallow it straight, stir it into warm water or tea, or mix it into warm lemon water. The warmth of the liquid adds its own soothing effect on irritated throat tissue.
A few practical tips: let the honey coat the back of your throat rather than washing it down immediately with a gulp of cold water. You can repeat the dose several times a day as needed. Avoid adding honey to boiling liquids, since extreme heat breaks down some of its beneficial compounds. Warm is fine, just not scalding.
Does Manuka Honey Work Better?
Manuka honey, produced from the nectar of a shrub native to New Zealand and Australia, contains an additional antibacterial compound called methylglyoxal (MGO) that regular honey doesn’t have in meaningful amounts. The higher the MGO concentration, the stronger the antibacterial effect. Products are rated using the Unique Manuka Factor (UMF) system, which reflects MGO levels along with other markers of authenticity.
For a basic sore throat caused by a cold or flu, regular honey from your pantry works well. The clinical studies showing benefit used ordinary honey, not specialty varieties. Manuka honey may offer an edge if you’re dealing with a particularly stubborn throat infection, but it costs significantly more and the evidence for its superiority specifically for sore throats is limited. If you do buy manuka honey, look for a UMF rating on the label to confirm it’s genuine.
Who Should Avoid Honey
The one group that should never be given honey is infants under 12 months old. Honey, whether pasteurized or raw, can contain spores of Clostridium botulinum. In older children and adults, gut bacteria neutralize these spores before they cause problems. Infants haven’t yet developed that protective gut flora, so the spores can germinate, produce toxins, and cause infant botulism, a rare but serious illness that can lead to paralysis. After a child’s first birthday, the risk drops dramatically.
People with diabetes can use honey as a sore throat remedy in small amounts. Honey has a glycemic index around 55, which places it at the low end of the moderate range and below table sugar. A single teaspoon contains roughly 6 grams of carbohydrates. That’s a small enough dose to manage, but if you’re monitoring blood sugar closely, it’s worth accounting for.
If you have a pollen allergy, raw or unfiltered honey could occasionally trigger a reaction, though this is uncommon with commercial honey that’s been processed. People with severe allergies should start with a small amount to be cautious.
When Honey Isn’t Enough
Honey works best for the sore throats that accompany common colds and upper respiratory infections, which are almost always caused by viruses and resolve on their own. If your sore throat is severe, lasts more than a week, comes with a high fever, or makes swallowing difficult enough that you can’t stay hydrated, something else may be going on. Bacterial infections like strep throat need a different approach, and honey alone won’t resolve them.