Is it safe to drink Banlangen frequently?

Feb 28, 2025 Source: Cainiu Health
Disease description:

The Banlangen at home is about to expire, and I was just thinking of finishing it quickly while I'm sick, but I'm worried about possible side effects. May I ask, can Banlangen be taken frequently?

Doctor's answer (1)
Dr. Zhang Xiuhong

Ba Lan Gen (Isatis root) should not be consumed frequently.

As a traditional Chinese medicine, Ba Lan Gen's main component is Isatis root extract. It has effects of clearing heat, detoxifying, and antiviral activity and is commonly used to treat symptoms such as colds, sore throat, and swollen throat. However, Ba Lan Gen has a cold nature and if taken for a prolonged period or in excessive amounts, it may cause spleen and stomach deficiency-coldness, leading to a series of gastrointestinal symptoms such as nausea, vomiting, and diarrhea, and may also cause damage to liver and kidney function. Furthermore, long-term continuous use of Ba Lan Gen may also impair liver and kidney function, affecting overall health. In addition, some individuals may have allergic reactions to certain components in Ba Lan Gen. Therefore, long-term consumption is not recommended.

If needed, it should be used in appropriate amounts under the guidance of a physician to avoid risks associated with blindly taking the herb for a prolonged period.