【Expiration Date for Medicines】
Products with a shelf life of 180 days or more are being sold.
Product Introduction
Tsumura's Kampo formulations
"Yokkan-san" is a traditional Chinese medicine recorded in the classic text "Huo Ying Zuo Yao." It is used for moderate physical strength, nervous tension caused by stress, irritability, and insomnia, as well as for symptoms such as "irritability" and "teeth grinding."
"Tsumura Kampo Yokkan-san Extract Granules" are easy-to-take granules made from extracts of "Yokkan-san."
Medicines must be taken according to the proper dosage and instructions. Deviating from the recommended usage can lead to serious health risks. Always read the instruction leaflet carefully before use, and follow the prescribed dosage. Even when used correctly, side effects may occur. If you notice any abnormal symptoms, stop use immediately and consult a doctor or pharmacist.
Regarding the Sale of Medicines
●Precautions for Use
■■Things You Should Not Do■■
(If not followed, current symptoms may worsen or side effects may become more likely)
Do not take this product if:
- Infants under 3 months old.
■■Consultation Required■■
1. Before taking, consult a doctor, pharmacist, or healthcare professional if you are:
(1) Under medical treatment.
(2) Pregnant or suspected to be pregnant.
(3) Have weak stomach or intestines.
(4) Have previously experienced rash, redness, itching, or other reactions due to medication.
2. If symptoms appear or worsen after taking the medicine, discontinue immediately and consult a doctor or pharmacist with this document.
Affected areas and symptoms:
Skin: Rash, redness, itching
Rarely, severe symptoms may occur. In such cases, seek medical attention immediately.
Names of severe symptoms and their signs:
Interstitial pneumonia: Shortness of breath when climbing stairs or exerting oneself, difficulty breathing, cough, fever, sudden or persistent symptoms.
Heart failure: Shortness of breath when moving, fatigue, swelling of the legs, sudden weight gain.
Liver dysfunction: Fever, itching, rash, jaundice (yellowing of skin and eyes), dark urine, general fatigue, loss of appetite.
3. If symptoms do not improve after about 1 month (or about 1 week for pediatric nighttime crying), stop use and consult a healthcare professional with this document.
●Efficacy and Indications
For moderate physical strength, nervous tension, irritability, and related symptoms such as:
Neurosis, insomnia, childhood night crying, childhood nervousness, teeth grinding, menopause symptoms, and blood-related disorders (see note).
Note: Blood-related disorders refer to mental and physical symptoms such as anxiety and irritability that occur due to hormonal fluctuations during menstruation, pregnancy, childbirth, postpartum, or menopause in women.
●Usage and Dosage
Take the following amount with water or warm water before meals:
Age ... Single Dose ... Daily Frequency
Adults (15+) ... 1 sachet (1.875 g) ... 2 times
Ages 7–14 ... 2/3 sachet ... 2 times
Ages 4–6 ... 1/2 sachet ... 2 times
Ages 2–3 ... 1/3 sachet ... 2 times
Under 2 ... 1/4 sachet ... 2 times
Precautions related to usage and dosage:
1. For children, administer under supervision of a guardian.
2. For infants under 1 year, prioritize medical consultation; administer only when necessary.
●Ingredients and Composition
Each 2 sachets (3.75 g) contain 1.625 g of Yokkan-san extract (half amount), prepared from the following components:
Japanese Pharmacopoeia Sōjutsu (Aucklandia root) ... 2.0 g
Japanese Pharmacopoeia Bukuryō (Poria) ... 2.0 g
Japanese Pharmacopoeia Senkyu (Cnidium) ... 1.5 g
Japanese Pharmacopoeia Choutoukou (Corydalis tuber) ... 1.5 g
Japanese Pharmacopoeia Tōki (Angelica root) ... 1.5 g
Japanese Pharmacopoeia Saiko (Bupleurum) ... 1.0 g
Japanese Pharmacopoeia Kanzo (Licorice) ... 0.75 g
Additives include Japanese Pharmacopoeia magnesium stearate and lactose hydrate.
●Storage and Handling Precautions
1. Store in a cool, dry place away from direct sunlight.
2. Keep out of reach of children.
3. If saving leftover from splitting a sachet, fold the bag opening and consume within 2 days.
4. As this product uses crude herbs (medicinal grass roots, bark, etc.), the granule color may vary slightly between batches, but efficacy remains unchanged.
5. Do not use products past their expiration date.
●Contact Information
If you have any concerns regarding this product, please contact the store where you purchased it or the following:
Tsumura Customer Service Center
Phone: 0120-329-930
Hours: 9:00–17:30 (excluding Saturdays, Sundays, and holidays)
Manufacturer and Distributor
Tsumura Co., Ltd.
Address: 2-17-11 Akasaka, Minato-ku, Tokyo 107-8521
Ingredients and Components
Each 2 sachets (3.75 g) contain 1.625 g of Yokkan-san extract (half amount) from the following components:
Japanese Pharmacopoeia Sōjutsu ... 2.0 g
Japanese Pharmacopoeia Bukuryō ... 2.0 g
Japanese Pharmacopoeia Senkyu ... 1.5 g
Japanese Pharmacopoeia Choutoukou ... 1.5 g
Japanese Pharmacopoeia Tōki ... 1.5 g
Japanese Pharmacopoeia Saiko ... 1.0 g
Japanese Pharmacopoeia Kanzo ... 0.75 g
*Packaging design and other details are subject to change without notice. Thank you for your understanding.
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