The Real Causes of Constant Phlegm and Mucus in Throat and How to Get Rid of It

The human body naturally produces mucus to help lubricate and protect the throat and sinuses. Mucus plays an important role in keeping these areas moist and guarding against infections and irritants. However, when you start to notice a constant buildup of phlegm or mucus in your throat, it’s often a sign that something isn’t quite right. Persistent mucus can be uncomfortable, annoying, and sometimes even embarrassing. Understanding the real causes behind this excessive mucus production is the first step to finding relief. Once you know what’s triggering it, there are simple, natural solutions that can help you clear it up for good.

One of the most common causes of chronic mucus in the throat is acid reflux. This condition happens when the valve at the top of your stomach, known as the lower esophageal sphincter, doesn’t close properly. When that happens, stomach acid can move back up into your esophagus and even reach your throat. The acid can irritate the lining of the throat, causing it to produce extra mucus as a defense mechanism. While many people with acid reflux experience heartburn, there’s a form of the condition called silent reflux, or gastrolaryngeal reflux disease (GLR), where mucus buildup is one of the only symptoms. Silent reflux often goes undiagnosed because people don’t experience the typical burning sensation in their chest, making it hard to pinpoint as the source of their discomfort.

If you suspect acid reflux is behind your constant phlegm, there’s an easy natural remedy you can try. Mix two tablespoons of apple cider vinegar into a glass of water and drink it twice a day before meals. Apple cider vinegar can help balance the acidity in your stomach and promote the proper closure of the stomach valve, reducing the chances of reflux. Many people notice an improvement in their symptoms within a week. If you find that your mucus production decreases after using apple cider vinegar consistently, it’s a strong indication that acid reflux was likely the root cause.

Interestingly, some people take antacid medications or proton pump inhibitors (PPIs) to treat their acid reflux. While these medications can relieve heartburn in the short term, they often make the underlying problem worse over time. By reducing stomach acid, these drugs can impair digestion and prevent the stomach valve from closing correctly. Without enough acid in the stomach, food doesn’t break down properly, which can lead to increased pressure and more reflux. If you’re relying on antacids but still struggling with mucus, it might be time to reconsider your approach. Along with apple cider vinegar, many people benefit from taking betaine hydrochloride capsules before meals. These supplements support healthy stomach acid levels and can improve digestion while helping the valve at the top of the stomach stay closed.

Another major cause of excess mucus is postnasal drip. This occurs when mucus from the sinuses drains into the back of the throat. Postnasal drip can result from chronic sinus infections, which might be caused by bacteria, viruses, fungi, or even yeast. When the sinuses are infected or inflamed, they produce more mucus than usual, which trickles down the throat and often leads to symptoms like coughing, feeling like there’s a lump in your throat, or the constant need to clear your throat. Many people experience postnasal drip without realizing it’s tied to an underlying sinus issue.

For postnasal drip, a simple but highly effective remedy is to use a neti pot. Fill it with distilled water, a pinch of sea salt, and a few drops of grapefruit seed extract. Gently rinse your sinuses with the solution, allowing it to flow through your nasal passages and flush out built-up mucus and debris. This practice can help break down biofilms—protective layers that bacteria and fungi use to hide from your immune system—and support the clearing of sinus infections. Regular sinus rinsing not only relieves postnasal drip but also promotes long-term sinus health.

In the end, persistent mucus and phlegm in the throat often point to bigger issues like acid reflux or chronic sinus infections. But with a little knowledge and some simple, natural remedies, it’s possible to take control of your symptoms and feel better. By addressing the root causes instead of just the symptoms, you can reduce mucus buildup and enjoy clearer breathing and a healthier throat.

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