I feel hot, but I'm not sweating. It feels like I'm burning up inside | Empty Heat, Full Heat, Upper Heat Lower Cold Syndrome

Empty Heat, Excess Heat, Upper Heat and Lower Cold Syndrome

Hello, I'm Dr. Choi Yeon-seung from Baengnokdam Korean Medicine Clinic.

When I frequently hear the phrase, "My body feels hot,"

patients in the consultation room often say,

"My body temperature is normal, they say. But… my neck keeps feeling hot."

"My palms are always hot. It's especially worse in the evening."

"I don't feel hot, but heat seems to surge up in my body."

As I hear these words, I realize there's something distinctly felt by the body that isn't confirmed by lab results or thermometers.

Even when the body temperature doesn't exceed 36.5 degrees Celsius, many complain of a sensation as if a fire has been kindled within the body. The patient themselves clearly 'perceives' this heat. And it's often not just a sensation, but closely linked to their overall recovery process and the direction of their energy expenditure.

At such times, Korean medicine approaches this very differently.

We don't simply judge "having heat" by numbers.

We look at 'where' the heat originates from and why it persists without dissipating.

Is it Heart fire? Stomach fire? Heat from qi stagnation? Or Empty Heat caused by depleted body fluids (Jin-aek), which cool the body?

“My body feels hot.”

This single sentence is not merely an expression of heat sensation; it's an important signal that hints at the phase the body has entered, the direction of recovery, and the individual's fundamental constitution and energy expenditure patterns.

So, from now on, don't just dismiss this sensation. We will now delve into the true nature of this sensation of 'hotness' one by one. Let's begin the story of how heat is more than just heat.

The Dangerous Simplification of the Word 'Heat'

"I have a lot of heat in my body."

"I think it's because heat is rising."

"Since I keep feeling hot, could it be inflammation?"

Many patients come to the clinic and say these things. However, there's a pitfall hidden here: the word 'heat' is an overly compressed term.

At first glance, it might seem to simply mean an elevated body temperature, but in reality, it's often not the case at all.

First, in Korean medicine, the phenomenon of 'heat' is categorized into at least four types:

• Excess Heat (實熱, Sil-yeol): Genuine 'fire' arising from actual inflammation or metabolic overheating in the body.
• Empty Heat (虛熱, Heo-yeol): False heat caused by a lack of resources to cool the body.
• Heat from Qi Stagnation (氣滯化熱, Gi-che-hwa-yeol): Heat arising from stagnation caused by blocked Qi.
• Yin Deficiency Fire (陰虛火旺, Eum-heo-hwa-wang): Heat that appears when body fluids (Jin-aek) are depleted and imbalanced.

When categorized this way, we can see that the same symptom of 'heat sensation' can arise from entirely different contexts.

Excess Heat: Cases Requiring Clearing Heat

The state we commonly think of as 'having heat,' where there is actually an overheated part of the body requiring heat-clearing (Cheongyeol), certainly exists.

For example, mouth sores, a red face, bloodshot eyes, dry stools, yellow and irritating urine, slightly elevated body temperature or a low-grade fever, increased irritability, difficulty falling asleep, and many dreams.

In such cases, it can be seen as concepts like Liver fire (Gan-yeol), Stomach fire (Wi-yeol), or Heart fire (Sim-hwa). Often, inflammation markers are slightly elevated, or the tongue coating is thick and yellow. In these situations, heat-clearing (Cheongyeol) medications or herbs with detoxifying effects respond well.

Empty Heat: False Heat Arising from Depleted Resources

The most frequently encountered type of heat sensation in Korean medicine is actually 'Empty Heat' (虛熱, Heo-yeol). This is, literally, heat without substance – meaning the body feels hot, but it's not actual fire; rather, it's akin to a 'malfunctioning cooling system'.

Not Too Much Heat, but Heat Being Trapped

Your body feels hot, but there's no inflammation, your body fluids don't seem depleted, the heat rises briefly then quickly subsides, and periodic surges of heat vanish as soon as stress is relieved? This is less likely to be a problem of heat itself and more likely a problem of 'blocked energy (Qi) flow'.

How to Re-interpret the Sensation of 'Heat'

The phrase 'My body feels hot' actually contains more than just a simple rise in body temperature. Within it are intertwined chronic fatigue, intense emotions, sensory hypersensitivity, and a breakdown of balance.

Ultimately, heat is not something to be drawn out from the outside, but part of a flow that needs to be understood and harmonized from within. Korean medicine treatment is the process of restoring that flow, clearing blockages, nourishing dry areas, and bringing the 'fire' back to a natural rhythm – neither excessive nor extinguished.

'My body feels hot' may be a quiet, yet urgent, signal from your body, marking the beginning of that process.

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Baengnokdam Korean Medicine Clinic: 3F, Songdo Dream City, 81, Convensia-daero, Yeonsu-gu, Incheon