Honey for Cough: Probably Better Than Placebo in Children, for About Three Days. Never Under One Year.
Most of what we check here turns out to be a marketing department with a molecule attached. This one is a folk remedy your grandmother would recognise, and it has a Cochrane review behind it.
It works. Modestly, briefly, in children, and with one absolute exception that has to come first.
Never give honey to a baby under one year old. Not a taste, not on a dummy, not stirred into anything.
Honey is the only well-established dietary risk factor for infant botulism, a severe neuroparalytic illness which is now the most common form of botulism in the United States and Canada. Every trial below started at twelve months for this reason — the evidence does not cover infants, and there is a specific reason nobody has tried to generate any.
What the evidence actually shows
Cochrane reviewers pooled six randomised trials covering 899 children aged one to eighteen. [1] Cough was rated on a seven-point scale, and the comparisons break down cleanly.
| Compared with | Result | Certainty |
| Nothing at all | honey better | moderate |
| Placebo | honey better | moderate |
| Diphenhydramine | honey better | low |
| Dextromethorphan (the usual cough-syrup ingredient) |
about the same | low |
Against no treatment and against placebo, honey came out better, and the reviewers rated both as moderate-certainty evidence — which in Cochrane language means they are reasonably confident in the direction. Both comparisons had zero heterogeneity, meaning the studies agreed with each other rather than pointing in different directions.
That is a genuinely good result for something you can buy in any shop.
Now the three limits, because they matter more than the headline
One: it lasts about three days. The reviewers are specific. Honey given for up to three days probably beats placebo. Beyond three days, it probably had no advantage over placebo or salbutamol on cough severity, bothersome cough, or sleep. [1] So this is a remedy for the worst few nights, not a course of treatment.
Two: most of the children got one night of it. That is the reviewers’ own stated limitation — “Most of the children received treatment for one night, which is a limitation to the results of this review.” The evidence is about a bad night, and it is thin even there.
Three: it is roughly a draw against the cough syrup. Compared with dextromethorphan — the active ingredient in most over-the-counter cough medicines — honey performed about the same. [1]
Read that last one in either direction, because both readings are fair. Honey is as good as the syrup. And the syrup is no better than honey. Given that the same Cochrane group has repeatedly found over-the-counter cough medicines short on evidence, the second reading is at least as interesting as the first.
What about adults?
Thinner, and less flattering.
A broader review of 14 studies on upper respiratory infections found honey beat usual care on symptom scores and cough. [2] But look at what happened when it was compared with an actual placebo rather than with usual care: the effect was not statistically significant, and the studies disagreed with each other enormously — a heterogeneity figure of 91%, which means they were essentially measuring different things.
And a 2023 trial randomised 194 adults with acute bronchitis to honey, two different drugs, or usual care. Median days of moderate-to-severe cough: five on usual care, six on honey. The authors’ conclusion was blunt — the symptomatic treatments tested were ineffective against cough. [3]
That trial was underpowered, because COVID cut its recruitment short, so it is not the last word. But it is not encouraging either, and the honest summary is that the children’s evidence does not transfer automatically to you.
The one real downside
Beyond the infant warning, the trials picked up more stomach upset on honey than on placebo — about 12% versus 11%, which sounds trivial but reached statistical significance across 402 children. [1] A few children on honey were also reported as nervous, hyperactive or unable to sleep.
Nothing alarming. Worth knowing before you give a sugary syrup to a child at bedtime.
The verdict
Supported. In children over one, honey probably reduces cough more than nothing and more than placebo, on moderate-certainty evidence with the studies in agreement. For a cheap thing already in your cupboard, that is a real finding.
It is Supported rather than Established because the benefit runs out at about three days, most children in the trials had a single night of treatment, the adult evidence is weak-to-null, and the reviewers themselves concluded there was no strong evidence for or against using it.
The practical version: for a child over one with a nasty cough at bedtime, honey is a reasonable thing to try, it is about as good as the cough syrup, and it costs nothing extra. For an adult, do not expect much. For a baby under one, never.
And if a cough lasts more than about three weeks, or comes with fever, breathlessness or weight loss, that is a doctor rather than a cupboard.
Related: zinc for colds, the other kitchen-cupboard remedy with real trials behind it, and vitamin D. For the other end of the spectrum, detox teas.
If you want to know what earns each rating, we wrote down how we read a study, and everything we have checked is in one place.
