Sore throat treatment
Ryukakusan - Sore Throat Treatment Powder 90g x 2 boxes
Ryukakusan - Sore Throat Treatment Powder 90g x 2 boxes
Ryukakusan - Sore Throat Treatment Powder 90g x 2 boxes
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Ryukakusan - Sore Throat Treatment Powder 90g x 2 boxes

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$89.98 USD
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Ryukakusan, a fine powder of crude drug, is a throat medicine that is taken without water. The herbal ingredients act directly on your throat to relieve painful sore throat, cough, sputum, and throat discomfort.



Cough, sputum, throat inflammation, voice swelling, throat throat, throat discomfort, throat pain, throat swelling.

Ryukakusan is a throat medicine containing only crude drugs (Kikyo, Senega, Kyonin, Licorice) that activate antitussive and expectorant action. The active ingredient saponin glycosides of fine powdered Japanese bellflower and Polygala senega act directly on the discomfort throat. It activates the ciliary movements of the weakened throat, facilitates sputum discharge, and soothes coughing. With the gentle effect peculiar to crude drugs, it relieves painful symptoms from your throat.

Point 1 Take this without water

Herbal medicine acts directly on the throat. It activates ciliary movements and promotes the discharge of foreign substances from the throat.

Point 2 Sugarless

You can take it with confidence even before going to bed at night

Point 3 Don’t get sleepy

Since it does not contain ingredients that make you sleepy, you can take it in various situations.

Recommended age: Adults

Recommended for people

If you overuse your throat, smoke, or breathe in dirty air, your throat will become inflamed and hurt, and sputum will become entangled, reducing your ability to purify and causing you to suffer from a cough. This Ryukakusan will help those who have throat discomforts.

Expected period to see the results

When Ryukakusan is taken at such times, the active ingredient saponin glycoside of Kyoko Senega increases the secretion of mucus from the inner surface of the trachea, activates the hair movement, removes sputum, calms the cough and relieves inflammation. 


How to take

Ryukakusan is a drug in which the herbal ingredients act directly on the mucous membrane of the throat and activate the ciliary movement of the throat. If you take it with water, the ingredients that act on the mucous membrane of the throat will be washed away, so please take it without water. Also, please refrain from eating and drinking for 20 to 30 minutes after taking this medicine.

Take the following amount with the attached small spoon (heaping 1 cup 0.3g).

Be sure to take it without water.

Age 1 time Number of doses per day
Adult (15 years old and over) 1 cup  3-6 times
11 to 15 years old 2/3 cup  3-6 times
8 to 11 years old 1/2 cup  3-6 times
5 to 8 years old 1/3 cup  3-6 times
3 to 5 years old 1/4 cup  3-6 times
1 year old and under 3 years old 1/5 cup  3-6 times
3 months or more and under 1 year old 1/10 cup  3-6 times
Less than 3 months  Do not take

Please strictly adhere to the usage and dosage.

If you want to take it to children, please take it under the guidance and supervision of their parents.

Infants under the age of 2 should be given priority to see a doctor and should be taken only when unavoidable. 

History of Ryukakusan 200 years of tradition in Japan

Ryukakusan was born about 200 years ago at the end of the Edo period in the Akita (Satake) clan, one of the leading daimyo in the Tohoku region, which controls the entire area of ​​Akita prefecture. For the feudal lord who suffers from asthma, Shoteiji Fujii, the ancestor of the head of the family, Fujii, who was a doctor at the time, adopted the advantages of traditional medicine and orchid-based on the cough medicine transmitted to the feudal clan and completed a new drug. This will be the later "Ryukakusan".

It is said that the origin of the name Ryukakusan is related to the names of crude drugs such as borneol, borneol, and deer frost that were mixed at that time.

Precautions for use

1. The following people, please consult your doctor, pharmacist or registered distributor before taking

      (1) Those who get medical treatment
      (2) Those who have had allergic reactions due to drugs.
      (3) Those who with high fever symptoms.

2. After taking it, if you see any possibility of side effects, please stop taking it and ask doctors, pharmacists or registered sellers by showing this description document. 


Skin: Rash / redness, itching
Digestive system: Nausea / vomiting, loss of appetite
Psychoneurological system: Dizziness

If symptoms do not improve after taking 3.5 to 6 days, discontinue using it and consult with your doctor. 

How to store

(1) Store in a cool, dry place out of direct sunlight.

(2) Please keep out of reach of children.

(3) Do not replace with another container
(it may cause misuse or change the quality).

(4) Do not take the product after the expiration date.

Product size
6.91 x 5.99 x 3.1 cm; 

Ryukakusan Co., Ltd.
Made in Japan

Health benefit from Ryukakusan powder

Who should use Ryukakusan Powder?

Adults with Respiratory Discomfort:
Adults who are experiencing a persistent cough, excess phlegm, hoarseness, or throat irritation due to inflammation could benefit from using Ryukakusan powder. It’s a popular sore throat and cough medicine for adults in Japan.
Children with Cough and Throat Irritation:
Children aged 1 to 14 who have coughs, phlegm, or throat discomfort caused by inflammation may find relief with Ryukakusan powder. Parents or guardians should ensure they follow the appropriate dosage instructions based on the child's age.
Individuals with Sore Throats:
Those suffering from a sore throat resulting from inflammation can consider using Ryukakusan powder to alleviate the discomfort.
People with Non-Productive Coughs:
Individuals who have a persistent non-productive cough (cough without bringing up phlegm) and are seeking relief could try using Ryukakusan powder.
Individuals Seeking Non-Drowsy Relief:
Ryukakusan powder is formulated to provide relief without causing drowsiness. Therefore, individuals who need to manage their symptoms while remaining alert and awake might choose this product.