Yes, the main component of Paiduyangyan Capsule is rhubarb, and rhubarb crude drug is 0.4g+0. 15g, accounting for 37.5% of the total components. According to the theory of traditional Chinese medicine, rhubarb is a drug that purges blindly to relieve constipation, and is often used for internal heat stagnation syndrome. Long-term or excessive use can cause diarrhea. Specific side effects are:

1, rhubarb is not suitable for long-term use. Experimental studies have proved that long-term use of rhubarb can lead to a decrease in the number of nerve cells in the intestinal wall, a decrease in intestinal peristalsis function and peristalsis ability, and laxative-free constipation, which is called "laxative-dependent constipation".

2. In the use of rhubarb, people with deficiency of spleen and stomach should avoid it. Pregnant women, menstrual period, old and weak, intestinal obstruction, diarrhea, allergic constitution should not take it.

3. It is not recommended for lactating women. This medicine has the function of stopping diarrhea and promoting blood circulation, which may lead to diarrhea in children.

Extended data:

Matters needing attention

1, avoid eating cold, spicy and greasy things during taking medicine. ?

2. If the symptoms do not improve after taking the medicine, or the symptoms get worse, or new symptoms appear, you should stop taking the medicine immediately and go to the hospital. ?

3. When taking this product, it is not advisable to take veratrum, Oletum Trogopterori, soap clips or their preparations, nor to drink tea or eat radishes, so as not to affect the curative effect.

4. Children and the elderly and infirm should be taken under the guidance of a doctor. ?

5. It is forbidden for those who are allergic to this product, and should be used with caution for those who are allergic.

6. It is forbidden to use this product when its characteristics change. ?

References:

Baidu Encyclopedia-Paidu Yang Yan Capsule (including side effects)