Kampo Naitomin Yokukansan Tablets
ๆผขๆนใใคใใใณ ๆ่ๆฃ้
Kampo herbal preparation (Yokukansan)
Tablets 40 tablets (5-day supply)
For people of average physical strength who have nervous tension, anger easily, or feel irritable: neurosis, insomnia, teeth grinding, menopausal disorders, and ketsu-no-michi-sho
Active Ingredients (per 8 tablets (daily dose))
Yokukansan extract (3/5 quantity) 1.98 g
Extracted from the following crude drugs:
Japanese angelica root 1.8 g
Uncaria hook 1.8 g
Cnidium rhizome 1.8 g
Atractylodes lancea rhizome 2.4 g
Poria sclerotium 2.4 g
Bupleurum root 1.2 g
Licorice root 0.9 g
Inactive Ingredients
Anhydrous silicic acid, aluminum silicate, carmellose calcium (CMC-Ca), magnesium stearate, lactose
Instructions for Use
- โTake before meals or between meals with water or lukewarm water.
| Age | Dose per use | Times per day |
|---|---|---|
| Adults (15 years and older) | 4 tablets | 2 times daily |
| Under 15 years | Do not use | โ |
- โFollow the prescribed dosage and method strictly.
- โ"Between meals" means the gap between one meal and the next โ about 2 to 3 hours after eating.
- โSeek immediate medical attention if any of the following serious symptoms appear:
- โข Interstitial pneumonia: Breathlessness or difficulty breathing when climbing stairs or on mild exertion, dry cough, or fever, appearing suddenly or persisting.
- โข Heart failure: Difficulty breathing when you move, tiring easily, swelling of the legs, or a sudden increase in body weight.
- โข Liver dysfunction: Fever, itching, rash, jaundice (yellowing of the skin or whites of the eyes), brown urine, general fatigue, or loss of appetite.
- โ Consult a doctor, pharmacist, or registered salesperson before use if you:
- (1) Are under medical treatment.
- (2) Are pregnant or possibly pregnant.
- (3) Have a weak stomach or intestines.
- (4) Have ever developed a rash, redness, itching, or similar symptoms from a medicine.
- โStop use immediately and consult a doctor, pharmacist, or registered salesperson โ bringing this pouch with you โ if the following symptoms appear after taking this product, as they may be side effects:
- Skin: Rash, redness, or itching
- โStop use and consult a doctor, pharmacist, or registered salesperson โ bringing this pouch with you โ if symptoms do not improve after about 1 month of use.
- โThe tablets absorb moisture easily, so close the zip seal firmly each time you take a dose. Store in a cool, dry place away from direct sunlight with the pouch firmly sealed. Keep out of reach of children. Do not transfer to another container (this can cause mistaken use or affect quality). Do not handle this product with wet hands. Do not use after the expiry date.
Additional Information
Kampo Naitomin Yokukansan Tablets are a Kampo herbal preparation for people whose nerves are on edge and whose insomnia persists.
"Ketsu-no-michi-sho" refers to the mental and nervous symptoms โ such as anxiety and irritability โ and the physical symptoms that appear in women along with the hormonal changes of menstruation, pregnancy, childbirth, the period after childbirth, and menopause.
Because this product is made from natural crude drugs, the color of the tablets may vary slightly.
Sources & Documents
- Japanese product page
- English PDF
- Japanese PDF
- Last verified: July 25, 2026
Related Medicines
For informational purposes only. Always consult a doctor or pharmacist before taking any medication.