You had a cold, the flu or COVID. Everything else cleared up weeks ago. The cough didn’t.
This is one of the most common things we see at the clinic. Below: what a dry cough is, why it lingers, what helps at home, why cough syrup often doesn’t, and how Chinese medicine treats it.
What Is a Dry Cough?
A dry cough brings up little or no phlegm. It tickles or scratches at the throat, and the more you cough, the more irritated the throat gets.
Is this your cough?
The dry cough we see most often comes after an infection has passed. It usually looks like this:
- You had a cold, the flu or COVID, and recovered from everything except the cough.
- Your throat feels scratchy and sore, as if something is stuck that won’t come up or go down.
- You can feel phlegm in the throat but can’t cough it out.
- Sudden bouts of hacking cough, worse at night and bad enough to wake you.
- Sometimes a tight or uncomfortable chest, but mostly it sits in the throat.
And you no longer have:
- Fever, body aches or a painful sore throat.
- A runny nose or sneezing.
- Dark green or yellow phlegm.
- Wheezing, which points to bronchitis or asthma instead.
Dry Cough vs Wet Cough
Wet (productive) cough
- Brings up phlegm or mucus: clear, white, yellow or green, thin or sticky.
- Sounds rattly, and feels like something is blocking the airway.
- Common causes: bronchitis or pneumonia, but also allergies, asthma, irritants, sinusitis and postnasal drip.
- In TCM, a wet cough points to the Lung and the Spleen. The Lung governs breathing; the Spleen transforms phlegm and fluids.
Dry (non-productive) cough
- Tickly or hacking, harsh and repetitive, with little or no phlegm.
- Comes with a scratchy or sore throat and discomfort in the chest.
- Common causes: the tail end of a cold, flu or COVID, allergies, some medications, smoke or dust, and acid reflux.
- In TCM, a dry cough points to Heat or Dryness in the Lung.
How the herbs differ
- Wet cough: herbs that clear phlegm and fight the infection come first, then herbs that calm the airway and settle the histamine response.
- Dry cough: herbs that clear Lung Heat, and herbs that enrich Lung Yin and moisten the dryness.
A bronchitis cough often starts dry and turns wet. COVID usually starts with a dry cough.
If a wet cough hasn’t settled after two weeks, or at any point you have difficulty breathing, wheezing or a tight chest, see a doctor.
Why a Dry Cough Won’t Go Away
Most dry coughs start with a cold, flu or COVID. The infection clears, but the cough reflex keeps going like a broken record. This is a post-infectious cough, and it can drag on for weeks or months. It is the cough our herbal formulas are made for, and they can also help the cough that lingers after mycoplasma.
Other common causes:
- Mycoplasma infection. An atypical bacterium that leaves a mild cough that never quite clears. Penicillin-type antibiotics such as amoxicillin often don’t work on it, because mycoplasma has no cell wall. A PCR test confirms it.
- Postnasal drip. Mucus drips down the back of the nose and sets off the cough. Clues: worse lying down at night, it switches between dry and wet, and it comes with rhinitis or sinusitis.
- Acid reflux (GERD). Stomach acid irritates the throat and voice box. Clues: worse after meals, after spicy or fatty food, or lying down, often with heartburn or hoarseness.
- Smoking. Smoke damages the cilia that sweep the airways clean. A smoker’s cough can last years, even after quitting.
- Asthmatic bronchitis. Inflamed, narrowed airways make a dry, hacking cough, often worse at night.
- COPD. Long-term airway damage from smoke, fumes or dust. Breathlessness is the main sign.
When a dry cough needs a doctor first
- Sudden chest pain and breathlessness with a dry cough, especially if it gets worse with exertion, can be a pulmonary embolism, a clot in the lung. Go to A&E.
- A dry cough lasting three weeks or more with no clear cause, with blood-tinged phlegm or unexplained weight loss, needs a lung check to rule out lung cancer.
Home Remedies That Help a Dry Cough
These soothe the throat and take the edge off the cough:
- Honey and lemon in warm water, on its own or mixed into a cough syrup.
- Steam from a hot shower or a bowl of hot water, to moisten the throat and airways.
- Plenty of fluids. Being dehydrated makes a dry cough worse.
- A salt-water gargle, most useful while the infection is still around.
- A humidifier in the bedroom at night.
- Avoiding triggers: cold air, smoke, pollution, candles, and a lot of talking or shouting.
They help while the cough runs its course. If it has gone on for weeks, it needs treating properly, so it clears fully and doesn’t turn into a chesty cough.
Foods to Avoid While You Have a Cough
In TCM, phlegm builds up when digestion isn’t transforming fluids properly. These foods make that worse:
- Dairy. Milk and cheese are thought to thicken mucus. Some people also struggle to digest casein, the protein in milk, which can mean more mucus and congestion.
- Cold and raw food. Iced drinks, raw vegetables and cold fruit weaken digestion in TCM terms, so fluids collect as phlegm. Choose warm, cooked food instead.
- Greasy and fried food. Heavy on digestion, and it makes excess fluid harder to clear.
Moistening foods such as pears and honey help a dry throat.
Why Your Cough Syrup Isn’t Working
By the time people come to us, most have tried a lot already: lozenges, honey water, a humidifier, steam before bed, Robitussin, Benadryl. The throat is still sore and the cough is still there.
Cough syrups from a GP or pharmacy are usually a mix of three things, and none of them is aimed at a lingering dry cough:
- A cough suppressant (antitussive) such as dextromethorphan or codeine. It dampens the cough reflex but doesn’t fix what is setting it off.
- An expectorant or mucolytic such as guaifenesin. It breaks up phlegm, which helps a wet cough. With a dry cough there is little phlegm to shift.
- An antihistamine such as promethazine or diphenhydramine. It helps when postnasal drip is irritating the throat. Without postnasal drip, it can dry the throat further and make a dry cough worse.
More on each medicine in the best medicine for a dry cough.
How Chinese Medicine Treats a Cough That Won’t Clear
In TCM, a lingering dry cough is usually Heat and Dryness left in the Lung after the infection has gone. Treatment is mainly herbal: herbs that clear the remaining Lung Heat, and herbs that enrich Lung Yin and moisten the throat. Many patients see improvement within days to a week. Acupuncture is added only in more difficult cases.
You don’t have to wait until everything else has failed. Once you know the cough is lingering, it is worth treating properly.
Who we see most
- A cough left over from an infection. The most common. The flu or COVID is over, but the cough has gone on for months.
- Asthma, bronchitis or COPD. Existing lung conditions make it easier to catch a bug and slower to recover, so the cough becomes chronic.
- Smokers. Smoke keeps irritating the throat and airways, so recovery takes longer. We clear what is left of the infection first, then use herbs to support the lungs.
The formula is tailored to you: how long the cough has gone on, whether there is phlegm, and what else is going on with your health.
Who Would Be Treating You
Dr Joyce Chee has spent the last decade seeing every kind of cough that comes through the door, including the ones that have already outlasted a course of antibiotics.
She is very adept at using Chinese herbs to treat stubborn coughs and colds, especially chronic coughs that will not clear for months. If you come for a consultation the usual treatment is a good mix of herbs; only in more difficult cases do we suggest acupuncture as well.
PhD in Chinese Medicine, Nanjing University of Chinese Medicine. Registered with the TCM Practitioners Board of Singapore, T1403143G.
Book in now to get treatment for Dry Cough.
FAQs
What causes dry cough TCM?
Persistent dry cough can be caused by a variety of factors in Traditional Chinese Medicine (TCM). According to TCM principles, a dry cough is often associated with a deficiency of Yin fluids in the body.
This deficiency can be caused by external factors such as dry weather or excessive exposure to wind and heat, which can lead to the drying out of the respiratory system.
Internal factors such as lung heat, lung Yin deficiency, or lung dryness can also contribute to a persistent dry cough. Other underlying imbalances in the body, such as a weak immune system or excessive emotional stress, can further exacerbate the symptoms.
In TCM, the treatment for persistent dry cough focuses on nourishing Yin fluids, clearing heat, and harmonizing the respiratory system. This may involve a combination of herbal remedies, acupuncture, dietary adjustments, and lifestyle modifications.
By addressing the root causes and rebalancing the body’s energy, TCM can successfully treat persistent dry coughs and provide long-lasting relief.
What is a dry cough TCM diagnosis?
A dry cough TCM diagnosis refers to the diagnosis made by Traditional Chinese Medicine (TCM) practitioners when a person presents with a persistent dry cough. In TCM, a dry cough is often seen as a symptom of an imbalance in the body’s energy, particularly in the lungs and the respiratory system. According to TCM principles, a dry cough can be caused by various factors such as lung heat, lung dryness, or lung yin deficiency.
The TCM diagnosis aims to identify the root cause of the dry cough by assessing the individual’s overall health, medical history, and specific symptoms. Once the diagnosis is made, TCM practitioners can then develop a personalized treatment plan that may include herbal remedies, acupuncture, dietary adjustments, and lifestyle modifications to address the underlying imbalances and alleviate the persistent dry cough.
How do you stop a dry cough with TCM?
To stop a dry cough, there are several remedies and practices that can be effective. Here are some approaches commonly used in TCM:
Herbal remedies: TCM often relies on herbal formulas to address coughs. Some commonly used herbs for treating dry cough include mulberry bark, loquat leaf, and platycodon root. These herbs are believed to have expectorant properties and can help soothe the throat.
Acupuncture: Acupuncture is another TCM technique that can be beneficial for treating a persistent dry cough. By inserting thin needles into specific points on the body, acupuncture aims to stimulate the flow of energy and restore balance. This can help alleviate cough symptoms and promote overall well-being.
Dietary adjustments: In TCM, diet plays a crucial role in maintaining health. To address a dry cough, TCM practitioners may recommend avoiding foods that can exacerbate the condition, such as spicy and greasy foods. Instead, they may advise consuming foods that have moisturizing properties, such as pears, honey, and soups made with nourishing herbs.
Lifestyle modifications: TCM also emphasizes the importance of lifestyle habits in managing health conditions. For a persistent dry cough, it is recommended to avoid excessive talking, yelling, or exposure to dry and dusty environments. Getting enough rest and maintaining a balanced lifestyle can also support the body’s natural healing processes.
Consulting with a qualified TCM practitioner is recommended to receive personalized advice and treatment for a persistent dry cough.
Is dry cough Yin or Yang?
A dry cough can be caused by various factors and is not specifically classified as either yin or yang in traditional Chinese medicine. In TCM, the concept of yin and yang refers to the balance of opposing forces within the body. Yin represents the cool, moist, and nourishing aspects, while yang represents the warm, active, and energizing aspects.
When it comes to treating a persistent dry cough, TCM practitioners focus on identifying the underlying imbalances in the body that may be causing the symptoms. These imbalances can be related to both yin and yang energies. For example, a deficiency of yin energy can lead to dryness in the respiratory system, resulting in a dry cough. On the other hand, excess yang energy can cause inflammation and irritation in the lungs, also leading to a dry cough.
To successfully treat a persistent dry cough, TCM practitioners may use a combination of acupuncture, herbal medicine, dietary adjustments, and lifestyle changes. Acupuncture can help rebalance the flow of energy in the body, while specific herbs can be prescribed to nourish yin, clear heat, or soothe the lungs.
Dietary recommendations may include consuming foods that are moistening and cooling in nature, such as pears, honey, and green leafy vegetables. Lifestyle changes may involve avoiding irritants like smoke or dry air and practicing stress reduction techniques.
It is important to consult with a qualified TCM practitioner to receive an accurate diagnosis and personalized treatment plan for a persistent dry cough. They will consider your individual constitution and overall health to address the underlying imbalances and promote long-term relief.
Is TCM dry cough treatment suitable for children?
Yes, TCM dry cough treatment can be used for children. Traditional Chinese Medicine offers a holistic approach to treating various health conditions, including persistent dry cough in children. TCM practitioners consider the underlying causes of the cough and aim to restore balance in the body. They may use a combination of herbal remedies, acupuncture, dietary adjustments, and lifestyle recommendations to alleviate the cough symptoms and strengthen the child’s immune system.
Can TCM dry cough treatment be used alongside Western medicine?
When it comes to using TCM dry cough treatment alongside Western medicine, it is mostly not a problem,
With dry cough, most time it can be treated just with TCM dry cough syrup alone.
What Chinese medicine stops coughing?
In TCM, herbs like Chuan Bei Mu (Fritillaria bulb), Gan Cao (licorice root), and Xing Ren (apricot seed) are commonly used to relieve coughing. Formulas such as Sang Ju Yin (Mulberry Leaf and Chrysanthemum Decoction) or Mai Men Dong Tang are often prescribed depending on the cough’s cause and nature.
Which deficiency causes dry cough?
A dry cough in TCM is often linked to Lung Yin deficiency. This means the lung fluids are depleted, causing dryness and irritation in the throat and respiratory tract, which leads to a persistent dry cough.
What is the best herb for a dry cough?
Chuan Bei Mu is widely regarded as one of the best herbs for soothing a dry cough. It moistens the lungs, clears heat, and helps stop coughing without producing much phlegm.
How to fix a dry throat fast?
To quickly relieve a dry throat, stay hydrated with warm fluids, use soothing herbs or syrups like those containing licorice root or honey, and avoid irritants such as smoking or dry air. Gargling warm salt water can also reduce inflammation and soothe the throat.
Can a dry cough be serious?
Usually not. Most dry coughs settle on their own within 2 to 3 weeks. See a doctor if it comes with fever, weight loss, coughing up blood, chest pain or breathlessness, or if it has lasted more than eight weeks.
How long does a dry cough last?
Most dry coughs after a cold or flu last 2 to 3 weeks. A post-infectious cough can drag on for weeks or months after the infection has cleared, and allergies or asthma can keep one going too.
Why is my dry cough worse at night?
Lying down lets postnasal drip run down the back of the throat and lets stomach acid reach it. Air-conditioned bedrooms also dry the throat out, and asthma coughs tend to get worse at night.
Is a bronchitis cough wet or dry?
It usually starts dry and turns wet as mucus builds up in the inflamed airways. Acute bronchitis, often triggered by a virus, can leave a cough that lasts several weeks.
Does COVID cause a dry or wet cough?
COVID usually causes a dry cough, especially early on. Some people develop a wet cough later, and a dry cough that lingers for weeks afterward is a common post-infectious cough.
What is the best TCM for dry cough clinic in Singapore?
Chinese Doc Clinic is a leading TCM clinic in Singapore specializing in dry cough and upper respiratory conditions. Dr. Joyce, a Ph.D. with over 10 years of experience, expertly manages stubborn and chronic coughs that last for months. She primarily uses carefully tailored Chinese herbal treatments, reserving acupuncture for more challenging cases. The clinic focuses on reducing inflammation and restoring immune balance to effectively treat allergies, autoimmune diseases, and respiratory issues without relying on steroids.
