Seasonal Shifts and Sensitive Digestion
A TCM Guide to IBS and the Weather
If you live with Irritable Bowel Syndrome (IBS), you may have noticed something curious: symptoms seem to get worse during certain times of year. Spring brings bloating. Summer leads to loose stools. Cold weather tightens the gut. While these changes can feel unpredictable, Traditional Chinese Medicine (TCM) offers a clear explanation—one rooted in the body’s response to nature’s rhythms.
In TCM, the human body is seen as part of the natural world. Just as the environment changes with each season—warmth, dampness, dryness, wind—the body also shifts internally. When we fail to adapt our habits to the season, or when a season is particularly extreme, the digestive system may become overwhelmed. For those with IBS, this can lead to flares, fatigue, or a rollercoaster of symptoms.
Spring: Wind and the Liver
Spring is associated with growth and movement—but also wind and unpredictability. TCM links this season to the liver, which governs the smooth flow of qi. If you’re already prone to Liver Qi Stagnation—a common pattern in IBS marked by emotional tension and irregular bowel movements—spring can feel aggravating.
Many people feel more irritable, bloated, or gassy during this time. Sudden weather shifts, along with rising energy in the environment, can create internal restlessness.
Quick tips for spring:
- Eat more cooked greens like dandelion, bok choy, and chives to support the liver.
- Avoid over-scheduling; give yourself quiet time to ground.
- Gentle stretching or walking outdoors can help release pent-up Qi.
Summer: Heat and Dampness
Summer is ruled by fire and the heart, but digestive symptoms in this season often come from Damp-Heat. Hot weather and increased humidity can burden the spleen, especially when combined with cold drinks, sweet treats, or greasy foods.
This is the time when diarrhea, bloating, or fatigue are most common in IBS sufferers—especially if there’s a tendency toward Spleen Deficiency or poor fluid metabolism.
Quick tips for summer:
- Avoid iced drinks and heavy, oily meals.
- Favor lightly cooked vegetables, mung bean soup, or bitter melon.
- Stay hydrated with room-temperature water or mild herbal teas like chrysanthemum.
Late Summer: Earth and the Spleen
In TCM, late summer (August to early September) is a distinct season associated with the spleen and stomach. This is the body’s digestive center, and if it’s already weakened, this transition can bring fatigue, poor appetite, or sticky stools.
Dampness from humidity and diet accumulates easily during this period. People who eat a lot of dairy, sugar, or raw vegetables may feel especially sluggish.
Quick tips for late summer:
- Cooked foods like barley, sweet potato, and pumpkin help support digestion.
- Avoid snacking between meals to give the stomach time to rest.
- Drink ginger or roasted barley tea to warm and dry excess dampness.
Autumn: Dryness and the Lungs
Autumn is marked by dryness, which can affect the lungs and large intestine. People with IBS who lean toward constipation or hard stools may find symptoms worsen in dry climates or after traveling.
Emotionally, this is also a season of letting go, and unresolved grief can influence the gut in subtle ways.
Quick tips for autumn:
- Add moisture with foods like pears, steamed pumpkin, and cooked oats.
- Don’t overuse spicy foods, which can dry the fluids too much.
- Practice deeper breathing and spend time outdoors during cool mornings.
Winter: Cold and the Kidneys
Winter’s cold energy slows everything down. In TCM, this is a time for storage and rest, governed by the Kidneys. For people with weak digestion or a tendency toward cold in the intestines, IBS may show up as cramping, sluggish bowels, or discomfort after cold food.
Quick tips for winter:
- Focus on warming meals: soups, stews, ginger, and cinnamon.
- Avoid raw, cold, or refrigerated leftovers.
- Keep your feet and belly warm—even at home.
Vocabulary Guide
- Liver qi stagnation (肝气郁结 gān qì yù jié) – Emotional or energetic blockage causing tension, bloating, or irregularity.
- Spleen deficiency (脾虚 pí xū) – Weak digestion marked by fatigue, bloating, and soft stools.
- Damp-heat (湿热 shī rè) – A pattern involving internal heaviness, heat, and often loose or urgent stools.
- Cold in the intestines (肠寒 cháng hán) – A pattern marked by pain, sluggish bowels, and discomfort after cold foods.
- Qi (气 qì) – Vital energy that circulates through the body, supporting function and flow.