What are the side effects of Banlangen?
Mar 19, 2025
Source: Cainiu Health
Dr. Yang Ziqi
Introduction
Under normal circumstances, the common dosage forms of Banlangen (Isatis root) include granules, injection solution, tablets, etc. Its side effects may involve gastrointestinal discomfort, effects on the hematopoietic system, accumulation toxicity, impacts on cardiac function, and causing hypotension. When using Banlangen, it is important to strictly follow the dosage instructions provided by a healthcare professional or as indicated in the product说明书 (package insert), and closely monitor any changes in physical condition.
Generally, the common dosage forms of Banlangen (Isatis root) include granules, injection solutions, and tablets. Its side effects may include gastrointestinal discomfort, leukopenia, toxicity, effects on cardiac function, and hypotension. A detailed analysis is as follows:
1. Gastrointestinal Discomfort
Due to its irritating effect on the gastrointestinal tract, Banlangen can impair normal digestion and absorption. Individuals with inherently weak spleen and stomach functions are more prone to gastrointestinal symptoms such as nausea, vomiting, abdominal pain, and diarrhea.
2. Leukopenia
Long-term or excessive use of Banlangen may result in certain components inhibiting the activity of bone marrow hematopoietic stem cells, affecting the production of white blood cells and thereby decreasing their count.
3. Toxicity
Overdose or prolonged use of Banlangen may lead to drug accumulation in the body when it cannot be metabolized and excreted promptly. Once a certain concentration is reached, toxic effects may occur, manifesting as symptoms such as dizziness, headache, fatigue, and numbness in the limbs. In severe cases, it may impair liver and kidney function, posing significant health risks.
4. Cardiac Dysfunction
When administered in high doses, certain active components of Banlangen may penetrate myocardial cell membranes and interfere with the electrophysiological activity of myocardial cells. This may inhibit the normal contraction and relaxation functions of the heart muscle, potentially leading to cardiac abnormalities such as arrhythmia.
5. Hypotension
Due to its heat-clearing and blood-cooling properties, Banlangen can relax vascular smooth muscle and dilate blood vessels, reducing vascular resistance and subsequently lowering blood pressure. This may result in symptoms such as dizziness, visual dimming, and fatigue. Individuals with inherently low blood pressure should use Banlangen cautiously.
Although Banlangen has various medicinal benefits, it may also cause some side effects during use. Therefore, it is essential to strictly follow medical advice or the instructions on the label regarding dosage and administration. Close attention should be paid to changes in physical condition, and medical assistance should be sought promptly if any adverse symptoms arise.
