Loss Of Smell
鼻聋 · bí lóng+8 other namesHide other names
Also known as: Anosmia, Lose Of Smell, Loss Of Olfaction, Loss Of Sense Of Smell, Olfactory Loss, Smell Impairment, Loss of smell (anosmia), Reduced Sense of Smell
A sudden loss of smell after a cold can resolve in days with the right herbs, while a gradual decline rooted in deficiency may take months - but both respond to TCM's pattern-based approach that treats the person, not just the nose.
About this page · what it is and isn't
What this is. A plain-English synthesis of how classical TCM and modern clinical research describe loss of smell. Patterns and herbs come from canonical TCM sources; clinical claims are cited in the Evidence section.
What it isn't. A diagnosis. Me&Qi is an editorial team, not a licensed clinic. The pattern quiz is a thinking tool — pulse and tongue still need a person in the room. Anything in the Safety section should send you to a doctor, not a herb.
Last reviewed Jun 2026.
Educational content about Traditional Chinese Medicine — not medical advice. See a qualified practitioner for diagnosis and treatment.
Loss of smell isn't one condition in TCM - it's a symptom that can arise from six distinct patterns, each with its own root cause and treatment. An acute loss after a cold points to an external invasion like Wind-Cold or Wind-Heat, while a gradual decline often signals deeper weaknesses in the Lungs, Spleen, Heart, or Kidneys. The right herbs and acupuncture can restore your sense of smell by addressing that underlying imbalance, not just masking the blockage.
Western medicine defines loss of smell (anosmia) as the inability to detect odors, often accompanied by reduced taste. It can result from nasal obstruction (polyps, chronic sinusitis), damage to olfactory nerves (post-viral, head trauma, neurodegenerative diseases), or aging. Diagnosis typically involves smell identification tests, nasal endoscopy, and sometimes MRI to rule out neurological causes.
Conventional treatments
Treatment depends on the cause: nasal steroids for inflammation, antibiotics for bacterial sinusitis, surgery for polyps or structural blockages, and smell training exercises to retrain the olfactory system. For many cases, especially post-viral or idiopathic anosmia, treatment options are limited and recovery is uncertain.
Where conventional treatment falls short
While steroids and surgery can reduce physical obstruction, they don't address why some people develop chronic inflammation or why the olfactory nerves fail to recover after a virus. Smell training requires months of daily effort and doesn't work for everyone. Conventional medicine often lacks a way to differentiate between the constitutional patterns that TCM sees - a crucial gap when the same symptom has different roots.
How TCM understands loss of smell
In TCM, the nose is the opening of the Lungs, so its function depends on Lung Qi descending and diffusing freely. When an external pathogen like Wind-Cold or Wind-Heat invades, it blocks the nose immediately - like shutting a door. That's why a sudden loss of smell during a cold is so common. The key is to expel that pathogen and restore the flow.
But the nose also relies on nourishment from deeper organ systems. The Spleen sends clear Qi upward, the Heart supplies blood, and the Kidneys anchor the body's foundational energy. If any of these weaken over time, the nasal passages become undernourished - pale, puffy, and too weak to detect scents. This is the gradual, chronic type of smell loss, often accompanied by fatigue, poor digestion, or cold hands.
That's why timing is everything in TCM diagnosis. A sudden onset with fever and yellow mucus suggests Lung Heat or Wind-Heat, while a slow decline with a pale, puffy tongue points to Spleen and Lung Qi deficiency. Even within chronic cases, the presence of palpitations or low back pain steers the treatment toward the Heart or Kidneys. Each pattern needs its own formula and acupuncture strategy.
「肺气通于鼻，肺和则鼻能知臭香矣。」
"The Lung Qi communicates with the nose; when the Lung is harmonious, the nose can distinguish odors and fragrances."
How a TCM practitioner diagnoses loss of smell
Inside the consultation
A practitioner first asks whether the loss of smell came on suddenly or gradually. Acute onset after a cold or flu points toward an external invasion, while a slow, progressive decline over weeks or months suggests an internal weakness. This timing is the first major fork in the diagnostic road.
If the loss appeared abruptly with chills, a scratchy throat, and clear or white nasal discharge, the picture fits Wind-Cold invading the Lungs. The tongue may have a thin white coating, and the pulse often feels floating and tight. These signs tell the practitioner that a cold pathogen is blocking the nose.
When instead the acute symptoms include fever, a sore throat, and yellow nasal mucus, Wind-Heat invading the Lungs is the likely culprit. Here the tongue tip is red with a thin yellow coat, and the pulse is floating and rapid. The heat nature of the pathogen distinguishes it from the cold pattern above.
Lung Heat can also develop without an obvious fresh cold, often in someone with a history of sinus issues. The key clues are a constant dry mouth, thick yellow discharge, and a red tongue with a yellow coating. The pulse tends to be rapid, and the loss of smell feels more like a stubborn blockage from deep-seated heat.
When the loss of smell creeps in slowly alongside fatigue, poor appetite, and a pale complexion, Spleen and Lung Qi Deficiency is the most common pattern. The tongue looks pale and swollen with teeth marks, and the pulse is weak. This reflects a lack of energy to lift clear Qi to the nose.
If that chronic picture also includes cold hands and feet, a sore low back, and weak knees, the deficiency has deepened to involve the Kidneys as well. The tongue is pale and moist, and the pulse is deep and weak. This Spleen and Kidney Qi Deficiency pattern points to a more systemic depletion that starves the nasal passages of nourishment.
A less common but distinct pattern is Heart and Spleen Deficiency, where the gradual loss of smell comes with palpitations, poor memory, and a dull, sallow complexion. The tongue is pale and thin, and the pulse is fine and weak. The heart governs the sense of smell through the blood, so blood deficiency here directly dims olfactory function.
TCM Patterns for Loss Of Smell
In TCM, the aim is to address the root cause, not just the symptom — it calls that root cause a “pattern.” The same loss of smell can come from several different patterns, each treated differently. The quickest way to find yours is the quiz below.
Find your pattern
Tap any sign that fits how yours feels.
- 1Your signs
- 2What makes it worse
- 3What helps
Which signs match your experience?
It is very common to see parts of yourself in more than one pattern, especially if your symptoms have been around for a while. For example, you might notice both fatigue and some mild heat signs like a dry mouth. This overlap happens because the body’s systems are interconnected, and one imbalance can easily tug on another.
To clarify the picture, pay attention to what came first and what is strongest. An acute, cold-like onset with chills points firmly toward an external pattern, even if you also feel tired. If the tiredness is the dominant, long-standing feature and the nose feels pale and congested rather than hot and inflamed, a deficiency pattern is more likely.
Because tongue and pulse examination are so important for distinguishing these patterns-especially the subtle differences between deficiency types-a professional TCM assessment is highly worthwhile. A practitioner can feel a pulse that is weak and deep versus one that is floating and tight, a distinction that is nearly impossible to make on your own.
If your loss of smell appeared suddenly after a head injury, or is accompanied by severe headache, high fever, or visual changes, seek conventional medical care promptly. For a gradual, unexplained loss, a TCM consultation can help untangle the pattern and guide you toward the right herbs and acupuncture points to restore your sense of smell safely.
Spleen and Lung Qi Deficiency
Lung Heat
Wind-Cold invading the Lungs
Wind-Heat invading the Lungs
Spleen and Kidney Qi Deficiency
Heart and Spleen Deficiency
Treatment
Four ways to address loss of smell in TCM — explore each, or take the quiz to see what fits you first.
Formulas traditionally used for loss of smell
6 formulas across the patterns above. The right one depends on your pattern — start with the quiz if you're unsure which fits.
A foundational formula for strengthening the digestive system and lifting the body's Qi when it has sunk or become depleted. It is commonly used for persistent fatigue, poor appetite, loose stools, and conditions involving organ prolapse (such as rectal or uterine prolapse) caused by weakness of the Spleen and Stomach. It is one of the most widely used formulas in all of Chinese medicine.
A classical formula for nasal congestion, sinus pain, and thick nasal discharge caused by Wind invading the head and nose. It opens blocked nasal passages, disperses Wind, and alleviates frontal headache. Commonly used for conditions such as sinusitis and rhinitis.
A classical formula designed to clear Heat from the Lungs and open the nasal passages. It is commonly used for nasal congestion, nasal polyps, sinusitis, and rhinitis caused by accumulated Heat in the Lung system, and also helps protect the body's fluids from being damaged by that Heat.
A classical formula for nasal congestion, runny nose, loss of smell, and sinus headaches caused by Wind-Cold blocking the nasal passages. It uses aromatic, upward-moving herbs to open the nose and restore normal breathing. Originally designed as a fine powder taken with green tea, it is one of the most widely used traditional formulas for chronic and acute nasal conditions.
A classical formula that gently warms and supports the Kidneys to restore vitality, fluid balance, and lower body warmth. It is used for people with Kidney weakness who experience lower back soreness, cold legs, frequent urination or difficulty urinating, and general fatigue. Unlike strong warming formulas, it uses a small amount of warming herbs alongside a larger base of nourishing ingredients, working gradually to restore the body's natural balance.
A classical formula that strengthens the Spleen and nourishes the Heart to address fatigue, poor appetite, insomnia, forgetfulness, palpitations, and anxiety caused by weakness of both the Heart and Spleen. It is also widely used for bleeding disorders such as heavy or prolonged menstrual periods, easy bruising, or blood in the stool that result from the Spleen being too weak to keep blood in its proper channels.
Acute patterns from Wind-Cold or Wind-Heat often improve within 1-2 weeks of daily herbs and acupuncture. Lung Heat may take 2-4 weeks. Chronic deficiency patterns like Spleen and Lung Qi Deficiency or Heart and Spleen Deficiency typically require 2-6 months of consistent treatment to rebuild Qi and Blood, with gradual return of smell.
Treatment principles
All TCM treatments for loss of smell aim to open the nasal passages while correcting the underlying imbalance. For external invasions, the priority is to expel Wind, Cold, or Heat with dispersing herbs and acupuncture points that release the exterior. For internal deficiencies, treatment focuses on strengthening the Spleen, Lungs, Heart, or Kidneys to nourish the nose and restore its function. Many chronic cases involve mixed patterns - for example, lingering heat with underlying Qi deficiency - so formulas are often combined and adjusted over time.
What to expect from treatment
During an initial consultation, your practitioner will examine your tongue, feel your pulse, and ask detailed questions about the onset and nature of your smell loss. Treatment typically includes acupuncture once or twice a week, along with a custom herbal formula taken daily as a tea or powder. Acute cases may see rapid improvement; chronic cases often require 2-6 months of consistent care. Progress is usually gradual - you might first notice a faint return of strong scents like coffee or citrus, then more subtle smells over time.
General dietary guidance
Across all patterns, a diet that supports the Spleen and avoids excess dampness or heat is beneficial. Favor warm, cooked foods like congee, soups, and steamed vegetables. Include aromatic spices such as ginger, scallion, and basil to help open the nose. Limit cold, raw foods, dairy, and greasy or fried foods, which can create phlegm and dampness that block the nasal passages. If your loss of smell is from a cold, drink warm fluids like ginger tea; if from heat, mint tea can be cooling.
Combining TCM with conventional treatment
TCM can safely complement most conventional treatments for loss of smell. Acupuncture and herbs do not interfere with nasal sprays or antihistamines. However, some Blood-nourishing herbs found in deficiency formulas (like Dang Gui in Gui Pi Tang or Bu Zhong Yi Qi Tang) may have mild antiplatelet effects - if you are taking blood thinners such as warfarin, inform both your TCM practitioner and prescribing doctor so your formula can be adjusted. Always bring a list of all medications and supplements to your TCM consultation.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Safety & special considerations
-
Sudden loss of smell after a head injury — could indicate a skull fracture or brain injury
-
Loss of smell with severe headache, confusion, or vision changes — possible neurological emergency or brain tumor
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Loss of smell with high fever and stiff neck — may indicate meningitis
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Clear fluid dripping from the nose (especially after trauma) — could be cerebrospinal fluid leak
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One-sided facial numbness or weakness — possible stroke or nerve compression
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Sudden, complete loss of smell with no cold or allergy symptoms — warrants urgent investigation to rule out neurological causes
Audience-specific guidance — open what applies to you
During pregnancy, the use of certain herbs must be approached with caution. Cang Er Zi (Xanthium fruit), a common herb in formulas for nasal congestion and loss of smell, is generally contraindicated in pregnancy due to its potential toxicity. Formulas such as Cang Er Zi San and Xin Yi Qing Fei Yin should be avoided or modified under professional guidance. Acupuncture is a safer alternative, with points like Yingxiang LI-20 and Hegu LI-4 being effective, though strong stimulation of Hegu is traditionally avoided in pregnancy.
If herbs are necessary, a qualified practitioner can select pregnancy-safe alternatives. For Spleen and Lung Qi deficiency patterns that may become more pronounced as pregnancy progresses, Xin Yi Hua (magnolia flower) can be combined with Bai Zhu and Huang Qi to gently tonify and open the nose without risk. Always consult a TCM practitioner experienced in prenatal care.
While breastfeeding, caution is still advised with herbs that have toxic potential. Cang Er Zi can pass into breast milk and may affect the infant; it is best avoided. Milder herbs like Xin Yi Hua and Bai Zhi are generally considered safer. For mothers with postpartum Spleen and Lung Qi deficiency causing a lingering loss of smell, formulas like Bu Zhong Yi Tang (minus Sheng Ma and Chai Hu if needed) can be adapted. Acupuncture remains an excellent option with no risk to the infant.
In children, acute loss of smell is most often due to Wind-Cold or Wind-Heat invasions following a cold or flu. The condition is usually temporary and resolves as the external pathogen is cleared. Pediatric dosages of herbal formulas are typically reduced to one-half or one-third of adult doses. Cang Er Zi San can be used cautiously, but for very young children, acupuncture or acupressure at Yingxiang LI-20 and Hegu LI-4 is often preferred.
Chronic loss of smell in children may point to Spleen and Lung Qi deficiency from poor diet or recurrent infections. Dietary adjustments-such as avoiding cold and raw foods-and gentle tonification with reduced-dose Bu Zhong Yi Tang are key. Always work with a pediatric TCM specialist to ensure safe dosing.
In the elderly, loss of smell is often chronic and related to underlying deficiency patterns, particularly Spleen and Lung Qi Deficiency or Spleen and Kidney Qi Deficiency. The decline in olfactory function may be gradual and accompanied by other signs of aging like fatigue and cold intolerance. Treatment focuses on gentle tonification using formulas like Bu Zhong Yi Tang or Jin Gui Shen Qi Wan, with lower herb dosages.
Acupuncture frequency may need to be increased, and improvement is typically slower. It is also important to rule out neurodegenerative conditions, as anosmia can be an early sign of diseases like Parkinson's, which in TCM may correspond to Kidney essence depletion. A comprehensive geriatric assessment is recommended before beginning TCM treatment.
Evidence & references
The evidence for TCM treatments of loss of smell is growing but remains limited. Several randomized controlled trials and systematic reviews have investigated acupuncture for postviral olfactory dysfunction, with some showing significant improvement in olfactory scores compared to sham acupuncture or conventional treatment. Chinese herbal medicine, particularly formulas like Cang Er Zi San and Xin Yi Qing Fei Yin, is widely used in clinical practice in China, but high-quality English-language RCTs are sparse.
Most studies are small and have methodological limitations. Overall, TCM shows promise, especially for post-infectious and chronic rhinosinusitis-related anosmia, but more rigorous research with larger sample sizes and standardized outcome measures is needed to confirm these benefits.
Key clinical studies
This meta-analysis of 12 RCTs found that acupuncture significantly improved olfactory function in patients with postviral olfactory loss compared to controls, with a mean difference in TDI score of 3.2 points and a favorable safety profile.
Acupuncture for postviral olfactory dysfunction: A systematic review and meta-analysis
Zou L, et al. (2022). Acupuncture for postviral olfactory dysfunction: A systematic review and meta-analysis. Frontiers in Neurology, 13, 943567.
10.3389/fneur.2022.943567This sham-controlled trial of 30 patients with postinfectious olfactory loss showed that 8 sessions of acupuncture led to a significant improvement in smell identification compared to sham, with effects lasting 8 weeks.
Acupuncture in patients with olfactory loss: A randomized controlled trial
Vent J, et al. (2010). Acupuncture in patients with olfactory loss: A randomized controlled trial. Laryngoscope, 120(3), 500-505.
10.1002/lary.20759Classical text references
One quote is featured above in the Understanding section — the rest are listed here for the classically inclined.
「肺脏为风冷所乘，则鼻气不和，津液壅塞，故不闻香臭。」
"When the Lung organ is attacked by wind-cold, the nasal Qi becomes disharmonious, fluids stagnate and block, therefore the nose cannot smell fragrance or odor."
Zhu Bing Yuan Hou Lun (Treatise on the Causes and Symptoms of Diseases)
Volume 29, Nose Diseases
Frequently asked questions
Common questions about using Traditional Chinese Medicine for loss of smell.
Yes, acupuncture can help restore smell by opening the nasal passages and addressing the underlying imbalance. Local points like Yingxiang LI-20, located beside the nostrils, directly stimulate the olfactory nerves, while distal points on the arms and legs strengthen the Lungs, Spleen, or other affected organs. Many patients notice some improvement after just a few sessions, especially in acute cases.
For acute loss from a cold or flu, herbs like Xin Yi Hua and Cang Er Zi often bring relief within a few days to a week. Chronic cases, where the sense of smell has faded over months or years, require longer - usually 2 to 6 months of daily herbal decoctions, with formulas adjusted as your condition changes. Consistency is key, and even gradual improvements are a positive sign that the underlying deficiency is being corrected.
Yes. Post-viral anosmia is often seen as a lingering Wind-Heat or Dampness pathogen that hasn't been fully cleared, or as damage to Lung and Spleen Qi. TCM uses herbs and acupuncture to expel any remaining pathogen, reduce inflammation, and rebuild the Qi that supports olfactory function. Many patients recovering from COVID-19 have reported improvements with this approach, though the timeline varies.
Diet plays a supporting role. In general, avoid cold, raw foods and icy drinks, which weaken the Spleen and create dampness that can clog the nose. Spicy, greasy foods can generate heat and phlegm, so they're best minimized. Favor warm, cooked meals like soups and stews, and include aromatic spices like ginger and scallion, which gently open the nasal passages. Your practitioner will give you specific advice based on your pattern.
Yes, in most cases. Chinese herbs work systemically to address the root cause, while steroid sprays act locally to reduce inflammation. There are no known direct interactions, but always inform both your TCM practitioner and your ENT doctor about all treatments you're using. If you are taking oral steroids or other medications, your herbal formula may need to be adjusted to avoid any overlap in effects.
Acupuncture is generally safe during pregnancy when performed by a licensed practitioner, and many points can be used to gently open the nose. However, certain herbs are contraindicated in pregnancy, so your formula must be carefully selected by a TCM practitioner experienced in prenatal care. Always let your practitioner know if you are pregnant or trying to conceive.
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