Staying hydrated, using saline rinses, and keeping your air humid are the most effective everyday strategies for clearing mucus from your throat. But the best approach depends on why the mucus is there in the first place, because your nose and throat glands produce one to two quarts of mucus every day. Normally you swallow it without noticing. When something disrupts that process or ramps up production, you feel it collecting in your throat.
Why Mucus Builds Up in Your Throat
The sensation of mucus stuck in your throat is usually postnasal drip, where excess mucus from the nasal passages drains down the back of the throat instead of clearing normally. The most common triggers are allergies, colds and flu, sinus infections, dry air, cold weather, and spicy foods. Certain medications can also be responsible, including birth control pills and some blood pressure drugs.
Two less obvious causes deserve attention. A deviated septum (a crooked wall of cartilage between the nostrils) makes one nasal passage smaller than the other, which prevents mucus from draining properly. And chronic acid reflux, particularly a form called laryngopharyngeal reflux (LPR), can cause persistent throat mucus without the classic heartburn most people associate with reflux. Stomach acid irritates the throat and interferes with the body’s normal mucus-clearing mechanisms, which leads to a cycle of excess mucus and repeated infections. Many people with LPR assume they have allergies or a cold that never ends.
Hydration and Humidity
Water is the simplest tool for thinning mucus. When you’re dehydrated, mucus becomes thicker and stickier, making it harder to clear. Warm liquids like tea or broth are particularly helpful because the warmth loosens congestion in the throat and nasal passages.
Dry indoor air thickens mucus just as dehydration does. A humidifier can make a noticeable difference, especially in winter or if you run air conditioning frequently. The Mayo Clinic recommends keeping indoor humidity between 30% and 50%. Below 30%, the air dries out your mucous membranes and slows drainage. Above 50%, you risk encouraging mold and dust mites, which can trigger more mucus production. If you use a humidifier, clean it regularly to prevent bacteria from growing in the water reservoir.
Saline Rinses and Gargling
Rinsing your nasal passages with salt water physically flushes out mucus and the irritants trapped in it. You can use a neti pot, squeeze bottle, or premade saline spray. Slightly saltier-than-normal solutions (hypertonic saline, roughly a half teaspoon of salt per cup of water) are more effective at drawing fluid out of swollen nasal tissue and loosening thick mucus than plain water or gentler solutions. Rinsing three to four times a day provides the most consistent relief during an active bout of congestion.
Gargling with warm salt water works on the throat end. It loosens mucus clinging to the back of the throat and reduces the inflammation that makes your throat feel raw. A quarter to half teaspoon of salt dissolved in a cup of warm water is enough. Always use distilled, sterile, or previously boiled water for nasal rinses to avoid introducing bacteria.
Over-the-Counter Expectorants
Guaifenesin, the active ingredient in products like Mucinex, is the main OTC expectorant designed for mucus. It works by thinning the mucus in your airways, making it easier to cough up or swallow. For short-acting versions, the typical adult dose is 200 to 400 milligrams every four hours. Extended-release versions are taken every twelve hours. Guaifenesin does not suppress your cough or dry out your sinuses. It simply makes mucus less viscous so your body can move it out more efficiently.
Be cautious with decongestants and antihistamines. Decongestant sprays shrink swollen nasal passages and can improve drainage in the short term, but using them for more than three days often causes rebound congestion that makes things worse. Antihistamines are useful when allergies are the root cause, but in other situations they can dry out mucus too aggressively, making it thicker and harder to clear.
Honey, Ginger, and Other Kitchen Remedies
Honey coats and soothes an irritated throat, and there’s clinical evidence it does more than just feel good. A small trial comparing honey and ginger mixtures to standard cough syrup in patients with productive coughs found that the honey-ginger group saw symptom improvement in about six days, with results that were statistically significant compared to the cough syrup group. Stirring a tablespoon of honey into warm water or tea with fresh ginger is a reasonable first-line remedy, particularly before bed when postnasal drip tends to worsen. (Honey should not be given to children under one year old.)
Steam inhalation helps too. Breathing in steam from a bowl of hot water or during a hot shower temporarily loosens mucus in the throat and nasal passages. Adding a few drops of eucalyptus or peppermint oil to the water may enhance the sensation of clear breathing, though the benefit is largely about the moisture and heat rather than the oils themselves.
The Dairy Question
You’ve probably heard that milk makes mucus worse. Clinical evidence says otherwise. Drinking milk does not cause your body to produce more phlegm. What does happen is that milk and saliva mix to create a somewhat thick coating in the mouth and throat, and that lingering sensation gets mistaken for extra mucus. Research in children with asthma, a group that often avoids dairy for this reason, found no difference in symptoms between those drinking dairy milk and those drinking soy milk. If milk feels uncomfortable when you’re already congested, there’s no harm in avoiding it temporarily, but it’s not making the underlying problem worse.
When Mucus Points to Something Bigger
Short-term throat mucus from a cold or allergy flare usually resolves within a week or two. Mucus that persists beyond that, especially if it’s yellow, green, or blood-tinged, can signal a bacterial sinus infection or another condition that won’t clear on its own.
Persistent throat mucus with no obvious cold or allergy trigger is one of the hallmark signs of laryngopharyngeal reflux. Other clues include chronic throat clearing, a sensation of a lump in the throat, hoarseness, or a mild sore throat that comes and goes. An ear, nose, and throat specialist can check for this using a small flexible camera passed through the nose, a quick in-office procedure. LPR typically responds to dietary changes (avoiding acidic foods, not eating close to bedtime, reducing caffeine and alcohol) alongside medication that reduces stomach acid production.
A deviated septum causing chronic drainage issues is another structural problem that lifestyle remedies won’t fully solve. If saline rinses and humidity adjustments help but never resolve the problem, that’s worth investigating. Structural causes are common and often treatable.