In the clinic, I often hear people say, “I slept, but my head still does not feel clear,” or “The word I was about to say does not come to mind right away.” During busy periods, it is easy to dismiss this as simple tiredness, but if fogginess, lack of energy, headaches, or dizziness keep recurring, it is worth checking whether the body is sending a signal that it needs recovery.
What does brain fog feel like?
Brain fog is not so much the name of a disease as it is a term for a state in which the mind feels cloudy and concentration is difficult. It may feel like reduced memory, slower work speed, heaviness in the head, or dizziness. In Korean medicine, symptoms in which the head is not clear, feels heavy, and is dizzy have long been examined in categories such as dubulcheong, heavy-headed feeling, and duhun.
We look not only at fatigue, but also circulation and inflammation
Some cases improve after sufficient rest, but if symptoms last for a long time, we also check sleep quality, digestion, stress, neck and shoulder tension, and stiffness in the muscles around the jaw. For the brain to function clearly, oxygen and blood supply need to flow smoothly. When neck and shoulder tension, excessive tension around the temporomandibular joint, and whole-body fatigue overlap, circulation toward the head can feel blocked. Chronic inflammatory states or reduced recovery capacity are also considered factors that can cloud cognitive function.
If it started after COVID, we check accompanying symptoms together
People who report brain fog after an infection may also have fatigue, throat discomfort, changes in smell or taste, indigestion, or sleep disturbance. In these cases, we do not look at the fogginess in isolation, but examine the body’s overall recovery process and the level of autonomic nervous system tension together. In Korean medicine care, we combine herbal medicine, acupuncture and moxibustion treatment, and lifestyle adjustments according to constitution and symptom patterns, with the goal of reducing the body’s burden.
We recommend seeking care in these cases
- Fogginess and reduced concentration have continued for more than 2 weeks and interfere with daily work.
- Headaches, dizziness, severe fatigue, or sleep disturbance recur together.
- Your neck and shoulders are always stiff, and you have a habit of clenching your jaw.
- After an infection, reduced smell or taste, sore throat, or indigestion remains as well.
- If you are taking any medications, do not stop them on your own; please let us know during your visit.
However, if one arm or leg suddenly becomes weak, speech becomes slurred, consciousness becomes clouded, or an extreme headache appears for the first time, do not assume it is brain fog; call 119 or go to the emergency room first. Even everyday fogginess can significantly disrupt the rhythm of life if it continues for a long time. Rather than enduring the symptoms, I recommend starting by calmly looking into why your body has become cloudy.