What happens in the head after impact

A concussion or traumatic brain injury (TBI) damages delicate neural tissue and tears small blood vessels. The body’s inflammatory response is necessary—but when healing stalls, blood and metabolic waste accumulate in the cranial space. Classical Chinese medicine recognizes this as 血瘀 (xuè yū, Blood stasis) in the head, the primary pattern underlying post-concussion syndrome.

Blood stasis in the skull prevents the smooth flow of qi through the channels that nourish the brain. This disruption creates a cascade: cognitive fog (difficulty concentrating, memory lapses), persistent headache, dizziness, sleep disturbance, emotional instability, and heightened light or sound sensitivity. Physical imaging may show “normal” findings, yet the patient remains symptomatic—a hallmark of unresolved Blood stasis in classical terms.

Why conventional treatment stalls

Western medicine excels at preventing immediate complications—preventing intracranial hemorrhage, managing acute inflammation, ruling out structural damage. But once the acute phase passes and imaging clears, treatment options narrow. Rest is advised, but lasting symptoms persist. Symptom management (pain, sleep aids) does not address the root dysfunction: persistent Blood and qi stasis in the cranial channels.

Classical herbal medicine takes a different path. Rather than suppressing symptoms, formulas are designed to:

• Invigorate Blood and break stasis (活血化瘀, huó xuè huà yū) in the head and neck channels
• Move qi and unblock channels (理气活络, lǐ qì huó luò) so nutrition and oxygen reach brain tissue
• Calm the Shen (安神, ān shén) to resolve cognitive fog, emotional volatility, and sleep disruption
• Rebuild constitutional resilience (补气血, bǔ qì xuè) depleted by the trauma and healing effort

Classical patterns in concussion and TBI

Post-concussion symptom profiles map to distinct classical patterns, each requiring a different herbal strategy:

Blood Stasis in the Head (血瘀头部)

The foundational pattern in all TBI. Blood accumulates in the cranial space, choking channels and impairing nutrient delivery to brain cells. Signs: fixed, stabbing head pain worse with pressure; dizziness that worsens with head movement; cognitive fog; emotional stagnation. Formula priority: invigorate Blood, break stasis, open the channels. Common herbs: 丹参 (dān shēn, Salvia), 赤芍 (chì sháo, Paeonia rubra), 川芎 (chuān xiōng, Ligusticum), 桃仁 (táo rén, Prunus), 红花 (hóng huā, Carthamus).

Qi Stagnation in the Head (气滞头部)

Disrupted circulation of qi through brain channels. While Blood stasis is the physical debris, qi stagnation is the loss of momentum pushing Blood through the fine channels. Signs: pressure-like headache, mental fog that cycles (better with movement, worse with static posture), irritability. Formula addition: move qi laterally and vertically through the affected channels. Common herbs: 柴胡 (chái hú, Bupleurum), 香附 (xiāng fù, Cyperus), 川芎 (chuān xiōng), 瓜蒌 (guā lóu, Trichosanthes).

Heart-Kidney Disconnection with Shen Disturbance (心肾不交, 心神不宁)

Trauma scatters the Shen, the psycho-spiritual anchor housed in the Heart. Classical trauma theory holds that violent impact disturbs the Shen’s residence. Signs: insomnia (especially middle-of-night waking), anxiety, emotional volatility, difficulty concentrating (the cognitive “noise” of an unsettled mind), vivid or disturbing dreams. Formula addition: anchor the Shen, rebalance Heart and Kidney. Common herbs: 酸枣仁 (suān zǎo rén, Ziziphus), 龙骨 (lóng gǔ, Fossilized Bone), 牡蛎 (mǔ lì, Ostrea), 黄连 (huáng lián, Coptis), 肉桂 (ròu guì, Cinnamomum).

Qi and Blood Deficiency After Healing (气血虚弱)

The post-acute phase, after stasis begins to clear. Healing is metabolically costly. If the body’s constitutive Qi and Blood are depleted (especially common in older patients, those with pre-existing fatigue, or prolonged recovery), cognitive function remains sluggish, energy lags, immune resilience drops. Signs: persistent fatigue despite adequate sleep, pale complexion, tendency to recurrent infection, slow recovery of cognitive sharpness. Formula addition: tonify Qi and Blood gradually, while continuing gentle Blood invigoration. Common herbs: 黄芪 (huáng qī, Astragalus), 党参 (dǎng shēn, Codonopsis), 红枣 (hóng zǎo, Jujuba), 龙眼肉 (lóng yǎn ròu, Longan), 黄精 (huáng jīng, Polygonatum).

Liver Blood Stagnation (肝血滞)

A secondary pattern after impact. Trauma to the head often jars the Liver system, which governs smooth qi flow and Blood distribution. Signs: tension at the base of skull and neck, eye strain, worsening symptoms with stress, irritability and mood swings. Formula addition: course the Liver, invigorate Blood locally in neck and skull. Common herbs: 生地黄 (shēng dì huáng, Rehmannia), 白芍 (bái sháo, Paeonia alba), 柴胡 (chái hú), 郁金 (yù jīn, Curcuma).

What herbal treatment looks like

Your practitioner will assess your injury timeline, current symptom pattern, and constitutional strength to design a personalized formula. Most post-concussion protocols follow a progression:

Weeks 1–2: Acute Blood-Moving Phase

If you’re within days or weeks of injury, the formula prioritizes immediate Blood invigoration and channel opening. Aggressive movers like 丹参, 赤芍, and 川芎 are used at therapeutic doses to prevent stasis from consolidating. Sleep support and Shen-calming herbs are added. Daily doses are typical; some practitioners use gentle Patent formulas initially, then transition to custom decoction.

Weeks 3–8: Sustained Invigoration with Constitution Support

As acute inflammation subsides, the focus broadens. Blood invigoration continues, but at a softer pace. Tonification herbs enter the formula—Qi and Blood replenishment without blocking further stasis clearance. Cognitive support (herbs like 石菖蒲, shí cháng pú, Acorus, and 远志, yuǎn zhì, Polygala) becomes more prominent. Shen-anchoring remains steady. Doses taper slightly; some patients move to every-other-day or 5-days-weekly dosing.

Weeks 8+: Consolidation and Long-Term Resilience

If recovery is progressing—clearer cognition, fewer headaches, better sleep—the formula shifts toward constitutional repair. Blood and Qi tonics increase. Channel-moving herbs linger to prevent re-stagnation. Some patients benefit from switching to a milder Patent formula for months, or discontinuing herbal support entirely if symptoms fully resolve. Others, especially those with lingering fog or chronic post-concussion syndrome (PCS), may need 3–6 months of herbal support.

Individual variation is significant. Some patients experience rapid clearing; others have deep, slow-moving stasis that takes months to resolve. Age, constitutional strength before the injury, severity of impact, and time elapsed since injury all influence the pace and intensity of treatment.

Beyond the formula: the integration piece

Herbal formulas create the chemical environment for healing—moving Blood, supporting qi, anchoring the Shen. But the brain also requires stimulus to rewire: gentle, graded physical movement (not rest alone); cognitive engagement suited to your current tolerance; emotional processing (often with therapy or somatic work) to resolve trauma-linked Shen scattering.

At Rootworth, we craft the herbal foundation. For hands-on assessment—palpation of the neck and skull channels, acupressure or acupuncture to enhance circulation and release Liver tension, guided rehabilitation—we recommend our sister clinic, Makari Wellness, where Michael and the team provide in-person care in Oceanside, California.

A note on these statements.

Rootworth herbal preparations are dietary supplements. These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease. Classical Chinese medicine pattern assessment is distinct from the diagnosis and treatment of disease as defined under United States federal law. Individual results vary.