Honey is one of the most effective home remedies for a cough, performing as well as or better than several common over-the-counter cough medications in clinical trials. But it’s not the only option worth trying. Several other remedies, from saltwater gargles to ginger tea, have genuine evidence behind them. The best choice depends on whether your cough is dry and scratchy or wet and congested.
Honey for Cough Relief
Honey coats the throat and appears to calm the nerve endings that trigger the cough reflex. A systematic review of pediatric studies found that honey was superior to a placebo, equal to or better than common cough suppressants, and most effective when used within the first three days of symptoms. It works for adults too. A spoonful of honey straight, or stirred into warm water or tea, is the simplest approach.
One important exception: never give honey to a child under 12 months old, due to the risk of infant botulism. For everyone else, it’s one of the safest and most accessible remedies available.
Saltwater Gargle for a Sore, Scratchy Throat
If your cough is driven by throat irritation, a saltwater gargle can help. The Mayo Clinic recommends mixing one-quarter to one-half teaspoon of table salt into eight ounces of warm water. The salt creates a concentrated solution that draws excess fluid and debris out of swollen throat tissue, temporarily reducing inflammation and that tickling sensation that keeps making you cough. Gargle for 15 to 30 seconds, spit, and repeat a few times a day as needed.
Stay Hydrated to Thin Mucus
When your body is dehydrated, mucus in the airways becomes thicker and stickier. The lining of your airways relies on a thin layer of liquid to keep mucus moving upward and out. When that liquid layer shrinks, mucus concentrates and essentially gets stuck, making your cough less productive and more irritating. Drinking plenty of warm fluids, whether water, broth, or herbal tea, helps restore that balance. Warm liquids have the added benefit of soothing the throat on contact.
Ginger Tea for Airway Relaxation
Ginger contains active compounds that directly relax the smooth muscle tissue in your airways. Lab studies using human airway tissue found that several of these compounds produced roughly 75% relaxation of contracted airways, with some achieving complete relaxation within 30 minutes. In animal studies, inhaled ginger compounds significantly reduced airway resistance when the airways were challenged with an irritant.
These studies used isolated compounds at controlled concentrations, so a cup of ginger tea won’t replicate those exact results. But ginger tea made from fresh sliced ginger steeped in hot water for 10 to 15 minutes is a reasonable way to get some of those compounds into your system, and the warm liquid and steam provide their own soothing effects. Adding honey gives you two remedies in one cup.
Menthol and Eucalyptus for Cough Suppression
Menthol, the compound responsible for the cooling sensation in peppermint, suppresses cough through a surprisingly specific pathway. It activates cold-sensing receptors in the nasal passages, which then send signals that inhibit the cough reflex originating deeper in the airways. Research confirms that menthol vapors inhaled through the nose are what drive this effect, not direct contact with the throat or lungs.
You can get menthol exposure through peppermint tea, menthol lozenges, or by adding a few drops of peppermint or eucalyptus essential oil to a bowl of hot water and breathing in the steam. Keep the bowl at a safe distance, and don’t use steam inhalation with young children due to the burn risk.
Add Moisture to the Air
Dry indoor air, especially in winter, irritates airways and worsens coughing. A humidifier adds moisture back into your environment and can make breathing more comfortable, particularly at night. For households with children, always use a cool-mist humidifier rather than a warm-mist model or steam vaporizer. Hot water or steam can cause serious burns if a child gets too close or knocks the unit over.
Whichever type you use, clean it regularly. Humidifiers that hold standing water can become breeding grounds for bacteria and mold, which then get dispersed into the air you’re breathing. That defeats the purpose entirely.
Demulcent Herbs for Dry Coughs
If your cough is dry with no mucus production, the irritation is often in the throat itself. Demulcent herbs like marshmallow root and slippery elm contain natural mucilage, a type of polysaccharide that swells when mixed with liquid and forms a gel-like coating over irritated tissue. This protective film shields raw nerve endings in the throat from the air and irritants that keep triggering your cough reflex.
Both are available as teas or lozenges at most health food stores. Marshmallow root tea, brewed strong and sipped slowly, is the most common preparation. These herbs won’t do much for a deep chest cough, but for that persistent dry tickle, they can provide real relief.
Pineapple and Bromelain
Pineapple contains bromelain, a group of enzymes that break down proteins and have been shown to dissolve thick bronchial secretions. These enzymes catalyze the breakdown of the bonds holding mucus together, making it thinner and easier to clear. Bromelain also helps maintain normal inflammatory balance in the airways.
The catch is that studies showing significant mucolytic effects used concentrated pineapple extract in syrup form, not regular pineapple juice. Drinking pineapple juice may offer mild benefits and certainly won’t hurt, but if you want a more therapeutic dose of bromelain, supplements are available. That said, pairing pineapple juice with honey was the specific combination studied in some clinical trials, and the combination performed well for acute irritative coughs.
Matching the Remedy to Your Cough
A wet, productive cough that brings up mucus responds best to hydration, steam, ginger, and bromelain, all of which help thin and move mucus out. A dry, tickling cough benefits more from honey, menthol, demulcent herbs, and saltwater gargles, which calm irritation and suppress the cough reflex itself.
- For a wet cough: warm fluids, ginger tea with honey, steam inhalation, humidifier at night
- For a dry cough: honey (straight or in tea), marshmallow root or slippery elm tea, menthol lozenges, saltwater gargle
- For nighttime coughing: a spoonful of honey before bed, cool-mist humidifier in the bedroom, elevate your head with an extra pillow
Most coughs from colds and upper respiratory infections resolve within one to three weeks. If yours lingers beyond that, or if you’re coughing up greenish-yellow phlegm, wheezing, running a fever, or experiencing shortness of breath, those are signs that something beyond a common cold may be going on. Coughing up blood or pink-tinged mucus, difficulty breathing, or chest pain warrants immediate medical attention.