Managing Cough and Phlegm: Loquat Syrup vs. Ryukakusan for Viral Cold - Traditional Chinese Medicine

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For a cold with phlegm, over-the-counter options include loquat syrup and Ryukakusan (a herbal throat lozenge)?


Hello, Doctor Gao: Regarding the sore throat and yellow phlegm caused by a viral cold, does this fall within the category of a "hot cough"? If using over-the-counter products like Longkou San or loquat syrup, what side effects might occur?

Mr. Wang, 40~49 year old female. Ask Date: 2024/03/20

Dr. Gao Peiyi reply Traditional Chinese Medicine


Longkou San has insufficient heat-clearing ability but is unlikely to have side effects.
Loquat syrup is moistening for the lungs; using it too early may lead to phlegm production, so it is best to wait until there is no phlegm or when phlegm is stuck and cannot be coughed out before using it.

Reply Date: 2024/03/20

More Info


When it comes to managing cough and phlegm associated with a viral cold, particularly when symptoms include a sore throat and yellow phlegm, it is essential to understand the nature of your symptoms and the medications available. The presence of yellow phlegm can indicate that your body is fighting off an infection, and it may be classified as a "productive cough," which is often associated with inflammation in the respiratory tract.

Loquat syrup and Ryukakusan are two popular remedies for cough and phlegm. Loquat syrup is derived from the loquat fruit and is traditionally used in Chinese medicine to soothe the throat and alleviate coughs. It is known for its demulcent properties, which means it can coat the throat and provide relief from irritation. Additionally, loquat syrup may help to thin mucus, making it easier to expel phlegm. Generally, it is considered safe for most individuals, but as with any herbal remedy, there may be potential side effects, such as gastrointestinal discomfort or allergic reactions in sensitive individuals.

On the other hand, Ryukakusan is a traditional Japanese herbal medicine that contains a blend of various herbs aimed at relieving cough and phlegm. It is often used for both acute and chronic respiratory conditions. Ryukakusan is known for its expectorant properties, which can help to clear mucus from the airways. While it is also generally safe, some individuals may experience side effects such as stomach upset or allergic reactions, especially if they are sensitive to any of the herbal components.

Both remedies can be effective for managing cough and phlegm, but it is crucial to consider the underlying cause of your symptoms. Since you mentioned that your symptoms are due to a viral cold, it is important to remember that antibiotics are not effective against viral infections. Therefore, supportive care, including hydration, rest, and symptomatic relief, is the best approach.

If you are considering using either loquat syrup or Ryukakusan, it is advisable to consult with a healthcare professional, especially if you have any pre-existing conditions or are taking other medications. They can provide personalized advice based on your health history and current symptoms.

In summary, while loquat syrup and Ryukakusan can be beneficial for managing cough and phlegm associated with a viral cold, it is essential to monitor your symptoms closely. If your condition worsens or if you experience additional symptoms such as high fever, difficulty breathing, or persistent cough, it is crucial to seek medical attention. Additionally, maintaining good hydration, using a humidifier, and practicing good hygiene can further support your recovery from a viral cold.

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