Rain in your Head

INGREDIENTS

Each pill contains the equiv. to dry:

Chinese Asparagus, tuber 88.6mg

Monkey Grass, tuber. 35.4mg

Chinese Figwort, root 35.4mg

Loquat, leaf 35.4mg

Fringed Sagebrush, herb 35.4mg

Baikal Skullcap, root 35.4mg

Lily, bulb 29.5mg

Bitter Orange, peel 29.5mg

Licorice, root 14.8mg

Store below 30°C

Contains 200 x 200mg pills.

AUSTL 479572

Made in Australia. (Logo)

Indications: dry mouth, eyes, nose, throat, ears & skin, acute or chronic.

Actions: make it rain in your head to moisten dryness.

Dosage: 10 - 15 pills 2 - 3 times per day or as symptoms return.

Children: 6 months an over 1 pill per year of age up to the age of 10 as directed above.

Treat more, not less. Treat sooner, rather than later.

​

​

Zhi Yin Gan Lu Yin – "Rain in Your Head"

​

Bringing Gentle Rain to Dry, Inflamed Tissues

A traditional Chinese herbal formula that nourishes the body's fluids, restores moisture to dry tissues and reduces inflammatory Heat affecting the eyes, mouth, throat, nose and upper respiratory tract.

What is Zhi Yin Gan Lu Yin?

Imagine a landscape during a long drought.

​

The ground cracks.

Plants struggle.

Everything becomes dry, irritated and fragile.

​

Then gentle rain begins to fall.

The soil softens.

Life returns.

The plants recover.

​

Chinese medicine views many chronic inflammatory conditions in exactly the same way.

When the body's natural fluids become depleted, delicate tissues lose their protection.

​

The eyes become dry.

The mouth loses saliva.

The throat becomes sore.

The nose becomes irritated.

The skin becomes rough.

​

Inflammation develops—not because there is too much moisture—but because there isn't enough.

Zhi Yin Gan Lu Yin was developed to reverse this process.

​

At Chiron Medical we call it "Rain in Your Head."

Because the formula brings nourishing moisture back to tissues that have become dry, inflamed and uncomfortable—just as gentle rain restores life to dry earth.

A Formula for Dryness and Inflammation

Unlike formulas that simply clear infection, Zhi Yin Gan Lu Yin restores the environment that allows healthy tissues to function normally.

It helps:

• replenish body fluids

• nourish Yin

• reduce inflammatory Heat

• soothe irritated mucous membranes

• restore healthy moisture to the eyes, mouth and throat

• support normal healing

A Modern Evolution of a Song Dynasty Classic

​

The foundations of Zhi Yin Gan Lu Yin can be traced back to the classical formula Gan Lu Yin (Sweet Dew Drink), first recorded in the Tai Ping Hui Min He Ji Ju Fang during the Song Dynasty (960–1279 AD). This landmark medical text became one of the most influential collections of Chinese herbal prescriptions and remains a cornerstone of modern Chinese herbal medicine.

​

The name Gan Lu (Sweet Dew) is deeply symbolic. In Chinese and Buddhist tradition, sweet dew represents life-giving nourishment, healing and renewal—much like gentle rain restoring dry earth after a long drought.

Modern practitioners recognised that many chronic inflammatory conditions share a common feature: depletion of the body's protective fluids. As a result, the original Gan Lu Yin was expanded by adding powerful Yin- and fluid-nourishing herbs such as Sheng Di Huang, Tian Men Dong and Mai Men Dong, creating Zhi Yin Gan Lu Yin—literally meaning "Nourish Yin Sweet Dew Drink."

​

Why We Call It "Rain in Your Head"

One of the most recognisable features of this pattern is widespread dryness.

Typical symptoms include:

• dry eyes

• dry mouth

• dry throat

• dry nose

• chronic throat irritation

• recurrent mouth ulcers

• sore gums

• chronic tonsillitis

• dry cough

• chronic dry skin

• facial flushing

• night sweats

• feeling unusually warm, especially in the evening

​

Although patients often complain of congestion, the underlying problem is frequently a lack of healthy protective moisture rather than an excess of mucus.

What Is It Traditionally Used For?

Traditionally, Zhi Yin Gan Lu Yin is prescribed for:

• Yin deficiency

• Deficiency of Body Fluids

• Heat and Fire resulting from dryness

In modern practice it is commonly considered for supportive management of:

• recurrent mouth ulcers

• sore throat

• chronic pharyngitis

• chronic tonsillitis

• gingivitis

• inflamed gums

• chronic dry eyes

• chronic conjunctivitis

• keratitis

• pterygium

• cataracts (supportive care)

• chronic dry mouth

• chronic dry throat

• chronic dry skin

• Sjögren's syndrome (supportive care)

​

The Herbs That Make the Formula

Every surface exposed to the outside world is protected by a thin layer of moisture. The eyes produce tears, the mouth and throat are lined with saliva and mucus, and the respiratory tract relies on a constantly hydrated surface to trap pathogens and protect delicate tissues. When these protective fluids become depleted, the result is often dryness, irritation and persistent inflammation.

​

Zhi Yin Gan Lu Yin was developed to restore this natural barrier. Rather than simply reducing inflammation, the formula replenishes the body's protective fluids while helping damaged tissues recover. At the same time, it calms the inflammatory response that develops when these delicate surfaces become dry and vulnerable.

​

Sheng Di Huang (Rehmannia Root)

Traditional Role

Sheng Di Huang provides the restorative foundation of the formula. Traditionally it was used when prolonged illness or chronic inflammation had left the body's protective fluids depleted, allowing dryness and irritation to develop

throughout the mouth, throat and respiratory tract.

Biomedical Actions

Research demonstrates antioxidant, anti-inflammatory and tissue-protective activity together with support for epithelial repair and immune regulation. Experimental studies also suggest hepatoprotective, cardioprotective and glucose-regulating effects while reducing oxidative stress associated with chronic inflammation.

Tian Men Dong (Chinese Asparagus Tuber)

Traditional Role

Tian Men Dong helps restore moisture to tissues that have become dry and irritated. It has long been used where persistent dryness affects the throat, lungs and upper respiratory tract.

Biomedical Actions

Research suggests anti-inflammatory and antioxidant activity together with protection of respiratory mucosal tissues, immune modulation and support for epithelial repair.

Mai Men Dong (Ophiopogon Root)

Traditional Role

Working alongside Tian Men Dong, Mai Men Dong helps rebuild the moist protective lining of the throat, lungs and upper digestive tract, allowing irritated tissues to recover more comfortably.

Biomedical Actions

Research demonstrates protection of respiratory epithelium together with antioxidant and anti-inflammatory effects. Studies also suggest improvements in mucosal integrity and support for airway repair following inflammatory injury.

Xuan Shen (Chinese Figwort Root)

Traditional Role

Dry tissues often become chronically inflamed. Xuan Shen helps calm this inflammatory response while reducing swelling of the throat and surrounding lymphatic tissues.

Biomedical Actions

Research demonstrates anti-inflammatory, antibacterial and antioxidant activity together with immune modulation. Experimental studies also suggest vasodilatory, antipyretic and glucose-regulating effects while reducing inflammatory cytokine production.

Pi Pa Ye (Loquat Leaf)

Traditional Role

Pi Pa Ye soothes the lungs when dryness produces an irritating, persistent cough. It helps settle the airways while protecting the delicate respiratory lining during recovery.

Biomedical Actions

Research suggests expectorant, antitussive and anti-inflammatory activity together with protection of respiratory tissues. Studies also indicate antioxidant effects and support for healthy airway function.

Yin Chen Hao (Artemisia capillaris)

Traditional Role

Yin Chen Hao supports healthy fluid regulation while helping resolve the lingering inflammation that can accompany chronic irritation of the body's mucosal surfaces.

Biomedical Actions

Research demonstrates hepatoprotective, antioxidant and anti-inflammatory effects together with regulation of bile metabolism and protection against oxidative injury.

Huang Qin (Baikal Skullcap)

Traditional Role

Huang Qin helps control the inflammatory response affecting the mouth, throat and respiratory tract, allowing damaged tissues to heal without excessive irritation.

Biomedical Actions

Research demonstrates potent anti-inflammatory, antibacterial and antiviral activity together with antioxidant effects and immune modulation. Baicalin and related flavonoids have also shown protective effects against inflammatory damage within respiratory tissues.

Bai He (Lily Bulb)

Traditional Role

Bai He gently nourishes tissues that have become persistently dry. Traditionally it was valued for helping restore comfort to the lungs and throat after prolonged irritation.

Biomedical Actions

Research suggests antioxidant and anti-inflammatory activity together with protection of respiratory tissues and support for healthy epithelial function.

Zhi Ke (Bitter Orange)

Traditional Role

Healthy secretions depend on healthy movement. Zhi Ke supports normal movement through the chest and upper digestive tract, helping fluids distribute naturally throughout the upper body while relieving fullness and congestion.

Biomedical Actions

Research demonstrates smooth muscle relaxation together with improved gastrointestinal motility and digestive function. Studies also suggest antioxidant activity and support for normal autonomic regulation of gastrointestinal movement.

Gan Cao (Liquorice Root)

Traditional Role

Gan Cao soothes irritated mucous membranes while harmonising the actions of the entire prescription. Its protective effect on the throat has made it one of Chinese medicine's most frequently used herbs for inflammatory disorders affecting the upper respiratory tract.

Biomedical Actions

Research demonstrates antiviral, anti-inflammatory and antioxidant activity together with protection of respiratory mucosa and immune regulation. Glycyrrhizin has also shown benefits in reducing inflammatory injury and supporting epithelial repair.

​

How the Formula Works

​

The eyes, mouth, throat and lungs all rely on a healthy layer of moisture to function normally. These delicate mucosal surfaces provide lubrication, trap microorganisms, support immune defence and protect underlying tissues from constant environmental exposure. When this protective barrier becomes depleted, tissues become increasingly vulnerable to irritation, inflammation and recurrent infection.

​

Chinese physicians recognised that chronic dryness and chronic inflammation often develop together. Rather than treating inflammation alone, they understood that lasting recovery depended upon restoring the protective fluids that keep these tissues healthy in the first place.

​

Zhi Yin Gan Lu Yin reflects that principle. Some herbs replenish moisture and help rebuild the body's natural protective barriers, while others reduce inflammation, support immune regulation and protect tissues from ongoing oxidative damage. Together they create an environment in which the eyes, mouth, throat and respiratory tract can recover their normal structure and function.

​

Modern research suggests the formula may protect epithelial tissues, regulate inflammatory signalling, reduce oxidative stress, support mucosal repair and improve the integrity of the body's natural moisture barriers. Rather than simply relieving dryness, Zhi Yin Gan Lu Yin helps restore the biological conditions that allow these tissues to remain healthy long after symptoms have settled.

Comparing the Chiron Medical ENT Formulas

​

Xin Yi San - Hayfever - Allergic rhinitis and sneezing - Reduces allergic inflammation and opens the nasal passages

Zhi Yin Gan Lu Yin - Rain in Your Head  - Chronic dryness of the eyes, mouth, throat and upper airways - Rebuilds body fluids and reduces inflammatory Heat

Yang Yin Qing Fei Tang - Throat Infection - Acute sore throat and tonsillitis - Clears inflammation during infection while protecting throat tissues

Bi Min Gan Tang - Sinus Infection - Thick infected sinus discharge with facial pain - Clears chronic sinus infection

Yu Ping Feng San - Immunity - Recurrent ENT infections - Strengthens long-term immune resilience

​

Key Takeaways

• Zhi Yin Gan Lu Yin (Rain in Your Head) is a classical Chinese herbal formula that rebuilds body fluids while reducing inflammatory Heat.

• It is particularly valuable for people experiencing chronic dryness of the eyes, mouth, throat, nose and skin, especially when dryness is accompanied by persistent irritation or inflammation.

• Rather than simply treating symptoms, it helps restore the healthy moisture that protects delicate tissues and allows them to function normally.

• Within the Chiron Medical ENT Network, Rain in Your Head bridges the gap between acute infection and long-term tissue recovery, making it especially useful for chronic inflammatory conditions affecting the mouth, throat, eyes and upper respiratory tract.

• It is commonly combined with Yang Yin Qing Fei Tang, Sheng Mai San, Er Xian Tang, Zhi Bai Di Huang Tang and Yu Ping Feng San according to the patient's underlying pattern and stage of recovery.

Clinical Insights

Because this formula rebuilds Yin and Body Fluids, it is frequently combined with other Chiron Medical formulas depending on the dominant presentation.

General Dryness

For widespread dryness affecting the respiratory tract and mucous membranes:

• Yang Yin Qing Fei Tang (Throat Infection) when throat inflammation is prominent.

• Zhi Bai Di Huang Tang (Menopause) when Yin deficiency and Heat extend beyond the upper respiratory tract.

Excessive Sweating

Where depletion of body fluids is accompanied by excessive sweating:

• Sheng Mai San (Restore Heart Rhythm)

• Gan Mai Da Zao Tang (Happy Heart Formula)

to help preserve fluids while restoring vitality.

Menopausal Dryness

Where menopausal symptoms include vaginal dryness and Heat:

• Er Xian Tang (Hot Flushes)

• Zhi Bai Di Huang Tang (Menopause)

to address the underlying hormonal and constitutional changes.

Recurrent Mouth Ulcers

Persistent aphthous ulcers often indicate chronic Heat damaging the body's fluids.

Practitioners may combine:

• Zhi Bai Di Huang Tang (Menopause)

• Yu Ping Feng San (Immunity)

particularly where recurrent ulceration follows frequent infections or immune weakness.