According to the Huangdi Neijing · Lingshu: "The meridians determine life and death, manage all diseases, regulate deficiency and excess, and must not be obstructed." To put this in plain terms: the meridians in our body are the pathways that determine health, handle all diseases, and regulate deficiency and excess — they must remain unobstructed. So what does it mean when you cough or sneeze and suddenly feel a sharp pain in your lower abdomen? What does this have to do with meridian obstruction? Many people think: coughing — the disease is in the lungs; sneezing — you've caught a bit of wind. But the pain is precisely in the lower abdomen — a place that is neither the lungs nor the throat. Could it really be as simple as "coughing too hard"? In clinical practice, this presentation is actually quite common, and it often points to an overlooked meridian — the Foot Jueyin Liver Meridian.
When the "qi" of coughing strikes the "gate" of the Liver Meridian
Think carefully: what exactly is a cough? In Chinese medicine, "the lungs govern qi and manage respiration." Coughing is qi rushing outward and upward. Sneezing, on the other hand, is yang qi bursting out from the lungs in an instant to dispel external pathogens. Both share a common feature: qi moves upward and outward. But the lower abdomen? It is in the lower jiao of the body, belonging to the "yin" region, and is connected to the Liver, Kidney, and Spleen meridians. Why would upward-moving qi pull on pain below? This is the "chain reaction" of the meridians.
The pathway of the Foot Jueyin Liver Meridian is quite fascinating: it begins at the big toe, runs upward along the inner side of the leg, circles around the genitalia, reaches the lower abdomen, then ascends through the diaphragm, distributes across the ribcage and hypochondrium, and finally connects to the throat, eyes, and top of the head. Did you notice? This Liver Meridian precisely connects the "lower abdomen" with the "throat." When coughing or sneezing, lung qi rushes upward violently. If this force encounters a "congestion" somewhere along the meridian, it may "detour" along the Liver Meridian, pulling the qi and blood of the lower abdomen in the opposite direction — and thus pain appears.
Clinically, this type of situation is more commonly seen in people who are prone to emotional tension and under greater stress. Why? Because the liver governs free coursing and regulates the qi dynamics of the entire body. Long-term suppression, anxiety, and irritability easily cause liver qi to become stagnant. Where does it stagnate? Often in the lower abdomen and hypochondrium — the areas traversed by the Liver Meridian. When the impact of a cough or sneeze arrives, the site of stagnation is like a knot being pulled — pain naturally arises.
One more point worth noting: when lower abdominal pain occurs during coughing or sneezing, the specific quality of the pain matters. If it is dull, distended, and pulling in nature, it is mostly related to unregulated liver qi. If it is sharp, stabbing, and needle-like, it may involve blood stasis or cold coagulation. Clinically, one must first distinguish whether qi stagnation or blood stasis predominates, as the treatment approaches differ. But regardless of the type, the core issue is meridian obstruction and disrupted qi dynamics.
The Liver Meridian's "shift time" is the Chou hour, which is 1:00 to 3:00 AM. During this period, the qi and blood of the Liver Meridian are at their most abundant — it is its time to "clean house." If a person frequently wakes up during this time, or wakes with lower abdominal discomfort, dry mouth, and irritability, one should consider whether there is stagnant heat or qi stagnation in the Liver Meridian. For nourishing the Liver Meridian, there is a key acupoint called "Taichong." Taichong, also known as Dachong, is the Yuan-Source point of the Foot Jueyin Liver Meridian, located on the dorsum of the foot, in the depression anterior to the junction of the first and second metatarsal bones. The Lingshu · Nine Needles and Twelve Yuan states: "When the five zang organs have diseases, one should select from the twelve Yuan points." Taichong is the Yuan point of the liver, closely related to the free coursing and regulation of liver qi, and its degree of patency also reflects whether the qi and blood of the lower abdomen are stagnant. If this point requires treatment, it should be selected by a licensed Chinese medicine practitioner based on pattern differentiation according to individual constitution — one must not blindly manipulate it oneself.
This pain may also conceal a "kidney" foundation
Having discussed the Liver Meridian, let us now look at another clue. Lower abdominal pain during coughing or sneezing is sometimes accompanied by a feeling of "not being able to hold it in" — as if a string deep in the lower abdomen is suddenly yanked, and there may even be an urge to urinate. What is going on? This brings us to the Foot Shaoyin Kidney Meridian.
The Kidney Meridian also passes through the lower abdomen: it begins below the little toe, runs obliquely to the sole of the foot, ascends along the inner ankle, enters the heel, then ascends through the lower abdomen, passes through the diaphragm, and finally reaches the throat and the root of the tongue. You see — again a connection from "lower abdomen" to "throat." The kidney governs qi reception. What does that mean? The lungs are responsible for inhaling, and the kidneys are responsible for "catching" and "anchoring" the qi in the lower jiao. If kidney qi is insufficient and the qi-reception function is weakened, then the airflow during coughing has no place to "take root," rushing straight upward while simultaneously pulling down on the lower abdomen, causing pain.
Clinically, this type of situation is more commonly seen in people who are chronically overworked, have excessive sexual activity, or are elderly and frail, often accompanied by soreness and weakness of the lower back and knees, frequent nocturia, and aversion to cold. If lower abdominal pain during coughing or sneezing is accompanied by a cold sensation in the lower abdomen that feels better with warmth, one should consider the possibility of kidney yang deficiency. If the pain is accompanied by dry mouth, hot palms, and night sweats, it may be kidney yin deficiency with qi stagnation.
The Kidney Meridian's "shift time" is the You hour, 5:00 to 7:00 PM. During this period, the qi and blood of the Kidney Meridian are at their most abundant — a good time to nourish kidney qi. For those with soreness and weakness of the lower back and knees and aversion to cold, appropriately sunning the back and soaking the feet until slightly sweaty can help warm and nourish kidney yang. However, please note that these methods are only for daily maintenance and cannot replace a physician's pattern-differentiated treatment. On the Foot Shaoyin Kidney Meridian, there is an important acupoint called "Taixi." Taixi belongs to the Foot Shaoyin Kidney Meridian and is the Yuan-Source point of the Kidney Meridian, located in the depression between the tip of the medial malleolus and the Achilles tendon. The kidney governs qi reception, so Taixi is closely related to the prosperity or decline of kidney qi and the function of qi reception, and is of great significance for conditions of unstable kidney qi and failure to hold and receive qi. Likewise, if this point requires treatment, it should be selected by a licensed Chinese medicine practitioner through pattern differentiation — one must not blindly manipulate it oneself.
There is another clinical situation that is easily overlooked: in people who sit for long periods at work and have weak abdominal core muscles, the sudden increase in abdominal pressure during coughing or sneezing can also pull on the lower abdomen and produce pain. This is not a meridian disease but a problem of "sinews" and "flesh." However, Chinese medicine speaks of "sinews, vessels, flesh, skin, and bones" — sinews belong to the liver, flesh belongs to the spleen. If one sits for long periods without moving, liver qi stagnation and spleen qi deficiency often coexist, and lower abdominal pain becomes a shared signal of both. On the Foot Taiyin Spleen Meridian, there is an acupoint called "Sanyinjiao," located 3 cun above the tip of the medial malleolus, posterior to the medial border of the tibia. It is the meeting point of the three yin meridians — the Foot Taiyin Spleen Meridian, Foot Jueyin Liver Meridian, and Foot Shaoyin Kidney Meridian — hence its name. The qi and blood of the three yin meridians of liver, spleen, and kidney converge here, and the regulation of qi and blood in the lower abdomen is closely related to it as well.
You see, the same "lower abdominal pain when coughing or sneezing" may point to liver qi stagnation, or to unstable kidney qi, or possibly both. This is precisely the charm of Chinese medicine's "treating the same disease with different methods" — seemingly identical symptoms conceal different constitutional codes behind them. Next time you encounter this situation, take a moment to quietly observe: Is the pain distended or stabbing? Do you feel aversion to cold or to heat? Does it worsen when you are in a bad mood or after exertion? These details are a secret letter written to you by your body.
Finally, a piece of esoteric knowledge from the Chinese medicine classics: the Nanjing (Classic of Difficult Issues) mentions that "exhalation involves the heart and lungs; inhalation involves the kidneys and liver." Exhalation comes from the heart and lungs; inhalation enters the kidneys and liver. Coughing and sneezing are essentially abnormal outbursts of "exhalation." If the power of inhalation — the qi-reception function of the liver and kidneys — is insufficient, then the impact of exhalation will be uncontrolled, pulling on the lower abdomen. So when your lower abdomen hurts during a cough, it may not just be a lung problem — it is your body reminding you: liver qi needs to be stretch, kidney qi needs to be consolidated, and the meridians need to be cleared.
Related Questions and Answers
What causes "when the qi of coughing strikes"? Chinese medicine believes that "when the qi of coughing strikes," one must approach it from holistic pattern differentiation, using the four diagnostic methods of inspection, auscultation and olfaction, inquiry, and palpation in combination, and make a comprehensive judgment based on individual constitutional characteristics — it cannot be generalized. The specific treatment direction must be determined by a licensed Chinese medicine practitioner after an in-person consultation.
How long does it take to improve? Improvement time varies from person to person. Acute issues may improve after a few sessions, while chronic constitutional regulation is recommended to be maintained for 1–3 months. Chinese medicine emphasizes gradual progress — one should not rush. The specific duration should be assessed by a physician based on individual circumstances.
What should be noted in daily life for Chinese medicine regulation? For daily maintenance, it is recommended to maintain a regular sleep schedule, a balanced diet, moderate exercise, and emotional stability. Specific precautions should be flexibly adjusted according to individual constitution and seasonal changes. A licensed Chinese medicine practitioner can be consulted for targeted advice.