Medical & Health on TLDRLSS

Can You Get Heatstroke in Winter? Or From Air Conditioning? Debunking the Health Crisis of 'Yin Heatstroke' and 'Winter Heating Syndrome'

Mon, 27 Apr 2026 18:41:00 +0800

“I’ve been in an air-conditioned room all day, so how can I still have a headache, feel nauseous, and feel like I have heatstroke?”

This is probably a common sentiment shared by many modern office workers during summer. Even in the cold winter, some people experience symptoms similar to heatstroke!

All of this actually stems from our body’s “air conditioning system” crashing due to drastic fluctuations in artificial temperature.

The Thermal Flask in the Air-Conditioned Room: Understanding “Yin Heatstroke”

What modern people most commonly get is not the “Yang heatstroke” caused by prolonged sun exposure, but rather the so-called “Yin heatstroke”.

1. Symptoms of Yin Heatstroke

Mild fever without sweating
Headache with a tight band-like sensation (head feels constricted)
Back of neck feels hot
Diarrhea
Cold sweats
Body temperature usually not high
Rapid breathing
Vomiting
Fatigue and weakness
Body aches all over
Chest tightness
Thirst
Dizziness
Loss of appetite
Gastrointestinal discomfort

2. Causes of Yin Heatstroke

It can happen in all four seasons and is the most common type among modern office workers — feeling cold on the outside while burning up on the inside.

Imagine this: after being out in the sun, you rush into a strongly air-conditioned office or convenience store drenched in sweat, and your skin pores instantly “shut down their defenses” due to the cold air stimulation.

At-risk groups include those who exercise little, sit in air-conditioned rooms for long periods, have weak constitutions, stay up late, or are sleep-deprived

3. Heat Trapped Inside the Body

Although you feel cold enough to shiver on the outside, the heat absorbed outdoors cannot escape because your pores have sealed shut.

Your body is like a “thermal flask” or insulated bottle, with heat locked in the core.

This causes symptoms like a hot back of the neck, a band-like headache (feeling like your head is being squeezed tight), and full-body fatigue with an inability to sweat — an uncomfortable state.

Heatstroke in Winter? Understanding “Heating Syndrome”

It’s not just summer — winter’s “dry heatstroke” is also a product of modern civilization.

1. The Trap of Overdressing

In winter, to stay warm, we often wear heat-tech underwear or heavy, non-breathable jackets.

Once you enter a department store, subway, or office with powerful heating and don’t remove your jacket in time, your body’s core temperature can spike rapidly.

2. Core Overheating and Dehydration

Heat gets trapped inside heavy clothing, and combined with dry winter air and forgetting to hydrate, this leads to slower blood circulation, and brain overheating causing dizziness and nausea.

This “cold outside, hot inside” state of imbalance is essentially a form of heatstroke.

Debunking Temperature Myths: Heat Dissipation Self-Rescue Strategies

When facing these “atypical heatstrokes,” we cannot use traditional ice packs or ice water to treat them, as that would cause pores to constrict even further.

Warm Beverages to “Break the Ice”

When Yin heatstroke or heating syndrome strikes, drinking a cup of warm ginger tea or hot water is actually more effective.

Warm liquids can help dilate peripheral blood vessels, pushing the trapped heat outward from the body, encouraging the body to sweat lightly.

As long as sweat is released, core body temperature will naturally drop.

Take a “Warm-Hot Bath”

This sounds counterintuitive, but it’s actually a miracle cure for Yin heatstroke.

Take a slightly warmer bath (slightly above body temperature), using steam to force open the tightly closed pores.

When you feel refreshed and slightly sweaty after bathing, the heavy feeling of heatstroke typically subsides significantly.

Daily Habits to Prevent Air Conditioning Sickness and Heating Syndrome

To prevent your body’s heat dissipation system from malfunctioning, start with these habits:

1. Make Good Use of “Layered Dressing”

Regardless of the season, always have a light jacket or scarf ready when going in and out of indoor and outdoor spaces.

Put on a jacket when entering an air-conditioned room to protect the “heat dissipation window” on your back neck (such as the Dazhui acupoint) from direct cold air

When entering a heated room, quickly remove layers to allow body surface heat to dissipate through channels.

2. Keep Hydrating

In dry air-conditioned environments, your body’s moisture is silently lost.

Regularly drink room-temperature water or slightly warm water to ensure smooth blood circulation, so your body’s “cooling circulation system” has enough coolant (moisture) to work with.

3. Check Whether Your Body’s Heat Dissipation Points Are Overheating

Areas such as palms, soles of feet, cheeks, back of neck, armpits, and groin are all spots that dissipate heat easily. If these areas can dissipate heat normally, it means your body’s heat dissipation system is functioning properly.

Pay attention to whether these areas are overheating. Sometimes in winter, your hands and feet may feel cold, yet the back of your neck, armpits, and groin may be overheating, which means your body’s heat dissipation system is malfunctioning.

Cold areas can be warmed with clothing, socks, and gloves; overheating areas should avoid being covered by clothing, allowing body heat to dissipate through channels.

It’s not true that just because some heat-dissipating body parts feel cold, it means your body is already dissipating heat properly

If your body is overheating, heat can get trapped in different areas depending on each person’s physical condition, leading to Yin heatstroke, so you need to observe carefully and check whether heat trapped in certain areas is causing Yin heatstroke symptoms

Key Points for Efficient Body Heat Dissipation and Cooling

The key areas for body heat dissipation — in hot environments, you can quickly lower your core body temperature by applying ice packs or soaking these areas in cold water

Area	Function
Palms, cheeks, soles of feet	The key cooling “trio” — the arteriovenous anastomoses (AVA) blood vessels in these areas can regulate blood flow, bringing cooled blood back to the heart to control body temperature.
Neck, armpits, groin	Major blood vessel areas — major arteries are close to the skin surface, and applying ice packs or wet compresses can effectively cool the blood, ideal for rapid cooling during heat exhaustion.
Skin and pores	The entire skin surface dissipates heat through pore dilation and sweat evaporation. If clothes are wet, using a fan combined with misting water can accelerate moisture evaporation for heat dissipation.
Head	Accounts for approximately 7-10% of total body heat dissipation

Conclusion

The human body is a precision biological machine that needs to follow natural heat dissipation mechanisms.

Avoiding drastic temperature difference stimulation and allowing the body to “reboot” and sweat out toxins at appropriate times is the fundamental way to stay away from air conditioning sickness and heating syndrome.

Next time you feel a tight head and chest tightness, don’t rush to blast stronger air conditioning. Instead, drink a cup of warm water first, check your body’s heat dissipation points, and give your body some room to cool down!

Reference

Don't Scrape Blindly for Heatstroke! Use Acupoint Massage and Cooling Foods to Beat Both 'Yin' and 'Yang' Heatstroke

Mon, 27 Apr 2026 18:40:00 +0800

Feeling headaches and chest tightness? Many people’s first reaction is “Quick, let’s do Gua Sha (scraping therapy)!”

But did you know that Gua Sha isn’t a cure-all? Done incorrectly, it’s not only ineffective but may “drive pathogenic factors deeper” and worsen your symptoms.

In Traditional Chinese Medicine (TCM), heatstroke is classified into “Yin heatstroke” and “Yang heatstroke”. To properly relieve heat-related illness, you must first identify your body constitution and heatstroke type.

Yin and Yang Heatstroke from a TCM Perspective

From a TCM standpoint, heatstroke occurs when “summer-heat pathogen” invades the body or when thermoregulation fails. The causes and symptoms of these two types are completely different:

1. Yang Heatstroke (Qi and Fluid Depletion)

	Yang Heatstroke (Qi and Fluid Depletion)	Yin Heatstroke (Cold-Dampness Invasion)
Cause	This is the most common type — “staying under the scorching sun for too long”. Profuse sweating under intense heat depletes the body’s vital energy and fluids.	This is the type modern people are most prone to — “air conditioning sickness.” Rushing into a heavily air-conditioned room right after heavy sweating, or gulping down icy drinks to cool off. Pores snap shut due to cold contraction, trapping internal heat with no way to escape.
Symptoms	High body temperature, excessive sweating, thirst, reduced urination, weakness.	Low-grade fever without sweating, headache, heavy limbs, nausea, diarrhea.
TCM Treatment	Focus on replenishing Qi and nourishing Yin to generate fluids (e.g., Bai Hu Tang / White Tiger Decoction).	Administer warming and cold-dispersing remedies based on the affected area (e.g., Ge Gen Tang or Huo Xiang Zheng Qi San).

The Science and Taboos of Gua Sha: Are You Doing It Right?

The principle behind Gua Sha is using external force to forcibly open the capillaries on the skin surface, releasing the trapped heat (summer-heat pathogen). However, not every type of heatstroke is suitable for Gua Sha!

Yang Heatstroke Is Suitable for Gua Sha

In Yang heatstroke, the heat is at the “surface level” waiting to be released. Gently scraping along the Dazhui acupoint and both sides of the neck and shoulders until slight red marks (sha) appear can help dissipate the trapped heat.

Yin Heatstroke Strictly Prohibits Gua Sha

During Yin heatstroke, pores have already contracted and sealed shut due to cold. Forceful scraping not only has limited effect but may also damage the skin surface.

Most importantly, after Gua Sha your pores are wide open — you must absolutely avoid blowing air conditioning directly on yourself, otherwise cold air will penetrate straight into your body and make things even worse!

Gua Sha Reminder: After Gua Sha, drink a cup of warm water and make sure to rest in a room-temperature environment to avoid catching cold from drafts.

Acupoint Massage Self-Help Techniques

If Gua Sha isn’t convenient, using your hands for acupoint massage is also a gentle and effective way to find relief.

	Recommended Acupoints	Effect
Yang Heatstroke Heat Relief	Dazhui (GV14), Taiyang (EX-HN5)	Helps clear heat and refresh the mind, relieving hot and uncomfortable sensations in the head.
Yin Heatstroke Relief	Neiguan (PC6), Fengchi (GB20)	Relieves chest tightness and nausea (Neiguan) and headache tension (Fengchi).

Below are the acupoint location descriptions

Acupoint	Location
Dazhui (GV14)	The depression below the most prominent bone at the back of the neck when you lower your head
Taiyang (EX-HN5)	Located in the depression at the intersection of the eyebrow tip and outer eye corner (one on each side)
Neiguan (PC6)	About three finger-widths above the wrist crease, between the two tendons
Fengchi (GB20)	At the back of the neck, below the hairline, in the depressions on both sides (one on each side)

Cooling Food Therapy and Herbal Tea Remedies

Eating the right foods can double your heat-relief results! Here are TCM-recommended summer remedies:

Food	Description
Herbal Cooling Tea	Replenishes Qi and nourishes Yin, made with American ginseng, Ophiopogon root, and Schisandra berry (based on the Sheng Mai Yin formula). This tea replenishes the vital energy lost through sweating and quenches thirst, ideal for those with Yang heatstroke who spend long periods outdoors.
Si Shen Soup (Four Herbs Soup)	Strengthens the spleen and eliminates dampness. Si Shen Soup boosts metabolism and vital energy, making it an excellent supplement for those who easily feel fatigued and lose appetite during summer.
Sour Plum Juice	Its sour-sweet properties nourish Yin, generating fluids and quenching thirst
Herbal Grass Jelly Tea	Refreshingly cooling and heat-reducing, suitable for moderate consumption during Yang heatstroke
Warm Ginger Tea	Drink it hot during Yin heatstroke! Warm ginger tea helps open the pores, allowing trapped heat to escape through perspiration

In Summary

When facing summer heat pathogens, the most important thing is to “treat according to the specific condition”.

Yang heatstroke focuses on clearing heat and generating fluids — cool down and hydrate; Yin heatstroke focuses on dispersing cold and promoting sweating — keep warm and drive out the cold.

By making good use of TCM acupoint massage and herbal tea remedies and maintaining a healthy spleen and stomach, you can fundamentally enhance your body’s ability to adapt to hot environments and enjoy a healthy, refreshing summer.

Reference

What's the Difference Between 'Yin Heatstroke' and 'Yang Heatstroke'? Is Your Dizziness and Nausea a Cold or Heatstroke? How to Tell Them Apart and Provide Proper First Aid

Mon, 27 Apr 2026 18:30:00 +0800

In the scorching summer heat, do you often feel dizzy, sluggish, weak all over, or even nauseous?

Don’t assume heatstroke only happens when you’re sweating under the blazing sun! Many people spend all day in air-conditioned rooms or gulp down ice water, only to develop cold-like symptoms instead.

From both physiological and Traditional Chinese Medicine (TCM) perspectives, heatstroke comes in distinctly different types. If you use the wrong remedy — such as applying Gua Sha scraping for Yin Heatstroke, or drinking hot ginger tea for Yang Heatstroke — you might actually cause your body’s “cooling system” to crash entirely.

Your Body’s Dashboard: The Progressive Warnings of Heatstroke

Heatstroke is not a sudden accident — it’s a gradual process of your body’s cooling system failing.

Feature	Heat Exhaustion (System Overload)	Heatstroke (Core Shutdown)
Alert Level	Yellow Alert	Red Alert
Signs	Heavy sweating, pale face, dizziness, fatigue, nausea	Soaring body temperature, dry/hot/red skin with no more sweating, confusion, or even unconsciousness
Key Point	Skin is usually cool and clammy, body temperature between 37°C and 40°C.	This is a medical emergency — call 119 immediately!
Explanation	This is your body’s first warning sign. At this point, your “cooling fan” is still working hard but can barely keep up.	This is the most dangerous moment! The temperature regulation center has lost control, and the entire system has collapsed.

Two Types of Heatstroke: Are You an “Oven” or a “Smoldering Pot”?

Understanding the types of heatstroke is key to finding the right treatment.

Feature	Yang Heatstroke	Yin Heatstroke
Condition	The “Oven” caused by high environmental temperatures	The “Smoldering Pot” caused by air conditioning temperature differences
Scenario	This occurs under direct sun exposure or in poorly ventilated, high-temperature environments where heat pours in from outside.	This can happen in any season and is the most common type for modern office workers — you feel cold on the outside but are smoldering inside. It commonly affects those who rarely exercise, sit in air-conditioned rooms for long hours, have weak constitutions, stay up late, or are sleep-deprived.
Cause	Outdoor labor, exercise, insufficient fluid intake.	Frequent transitions between air-conditioned and outdoor environments, taking cold showers or drinking icy beverages while heavily sweating, causing pores to suddenly close and trapping heat inside the body.
Symptoms	High body temperature, heavy sweating, no sweating, rapid breathing, nausea, vomiting, thirst, confusion, fainting, shock.	Mild fever without sweating, band-like headache (feeling of tightness around the head), hot back of the neck, diarrhea, cold sweats, usually normal body temperature, rapid breathing, vomiting, fatigue, body aches, chest tightness, thirst, dizziness, loss of appetite, gastrointestinal discomfort.
Treatment	Move to a cool, shaded area immediately, apply physical cooling (such as wiping with a wet towel), and replenish fluids. Gua Sha scraping is appropriate at this time to help dissipate heat.	Absolutely do not apply Gua Sha or drink ice water! This will make your pores close even tighter. The correct approach is to drink warm or hot water or ginger tea to help your body break a light sweat.

Quick First Aid: Four-Step Self-Rescue

If you notice signs of heatstroke in yourself or someone nearby, take action based on the type:

Yang Heatstroke First Aid

Step	Instructions
Move	Move to a cool, well-ventilated area.
Loosen	Loosen clothing and undo the collar.
Cool	Spray lukewarm water on the skin or wipe with a damp towel to allow evaporation to carry away heat.
Hydrate	When conscious, sip small amounts of room-temperature water with salt or electrolyte drinks frequently.

Yin Heatstroke First Aid

Step	Instructions
Shelter	Avoid direct air conditioning and put on a light jacket.
Warm	Drink plenty of warm or hot water; sipping some ginger tea can promote blood circulation and push the heat toward the extremities.
Bathe	Take a “warm bath”. This forces the tightly closed pores to open and is the best remedy for Yin Heatstroke.

Check Whether Your Body’s Heat-Dissipation Points Are Overheating

Areas such as the palms, soles of feet, cheeks, back of the neck, armpits, and groin are the body’s primary heat-dissipation points. If these areas can dissipate heat normally, it means your body’s cooling system is functioning properly.

Pay attention to whether these areas are overheating. Sometimes in winter, your hands and feet may feel cold, yet the back of your neck, armpits, and groin may be overheating — this indicates that your body’s cooling system is malfunctioning.

For cold areas, you can wear clothing, socks, and gloves for warmth; for overheating areas, avoid covering them with clothing so that body heat has a pathway to escape.

Just because some heat-dissipation areas of the body feel cold does not mean the body is effectively releasing heat

When the body overheats, heat can get trapped in different areas depending on each person’s physical condition, leading to Yin Heatstroke, so you need to observe carefully and check whether heat trapped in certain areas is causing Yin Heatstroke symptoms.

Key Points for Efficient Body Cooling and Temperature Reduction

The body’s key heat-dissipation points can be used to rapidly lower core body temperature in hot environments through ice packs or cold water immersion

Body Part	Function
Palms, cheeks, soles of feet	The “Big Three” for cooling — the arteriovenous anastomoses (AVA) blood vessels in these areas regulate blood flow, carrying cooled blood back to the heart to control body temperature.
Neck, armpits, groin	Major blood vessel areas — large arteries are close to the skin surface, and ice packs or wet compresses can effectively cool the blood, making them ideal for rapid cooling during heat exhaustion.
Skin and pores	The entire skin surface dissipates heat through pore dilation and sweat evaporation. If clothes are wet, using a fan combined with spraying water can accelerate evaporative cooling.
Head	Accounts for approximately 7-10% of total body heat dissipation

Daily Dietary Prevention

Besides drinking plenty of water, you can also regulate body temperature through natural foods:

Prevention Method	Description
Preventing Yang Heatstroke	Eat hydrating foods such as watermelon, mung bean and barley soup, grass jelly tea, or herbal tea. These foods have natural heat-clearing and fire-reducing properties.
Preventing Yin Heatstroke	When working in air-conditioned environments, keep a light jacket handy to protect the back of your neck and joints. Reduce excessive consumption of icy treats, and occasionally drink warm ginger tea or Four Herbs Soup (Si Shen Tang) to promote metabolism and keep your cooling system responsive.

Conclusion: Give Your Body Room to Breathe and Cool Down

The human body is a precision machine — heat dissipation requires the circulation of blood and fluids.

Just remember the principle of “extinguish the fire for Yang Heatstroke, clear the smoke for Yin Heatstroke”, and stay alert to your body’s “head tightness and burning” warning signals. This way, you can enjoy the convenience of air conditioning while maintaining a cool and healthy body.