Senna leaves are cold and bitter, rich in sennoside A and sennoside B, and contain a certain amount of onion ketone derivatives. Senna leaf, if properly drunk, has the functions of relaxing bowels and resisting bacteria, which helps to improve constipation, abdominal pain, water swelling and other symptoms to some extent, and is helpful to people. However, senna leaves are cold, and long-term continuous drinking may aggravate the cold in the body and cause adverse effects on the human body. Secondly, senna leaves have a strong antidiarrheal effect, and continuous drinking will lead to excessive dosage.

What happens when senna leaves are drunk too much? Senna leaves contain a lot of sennoside, which will inhibit the absorption of water by the large intestine. After drinking a lot of senna leaves, the intestinal contents will increase rapidly. If the gastrointestinal tract of the human body can't be digested and absorbed in time, how can it have certain toxic and side effects on the gastrointestinal tract, leading to abdominal pain, diarrhea, nausea, vomiting, black stool and other phenomena, and even dizziness, unstable walking, facial numbness and other symptoms in severe cases.

The correct time to take senna leaves is after meals.

Senna leaves are cold and belong to the large intestine meridian. Taking it at the wrong time or taking it in excess will do harm to the gastrointestinal tract of the body. Therefore, it is generally recommended to take senna after meals, because there is something in the stomach after meals, and taking senna at this time can reduce the irritation of senna to the stomach. Secondly, taking senna leaves after meals will not affect the digestion and absorption of senna leaves, but also help the human body digest and metabolize food and contribute to human health. So it is recommended to take senna after meals.

4 the effect of senna leaves relieves constipation. Anthracene copper derivatives in Senna leaves have strong laxative effect and irritation, and can relieve constipation symptoms to some extent. Secondly, sennoside A and B, the main components of Senna leaves, are decomposed in the liver through the stomach. The decomposed products can excite the medullary disc ganglion and contract the large intestine, which can play a certain laxative role.

Clearing heat and resolving stagnation; Senna leaves can not only purge stagnation, but also clear excess heat. It is suitable for heat constipation, and can also be used to treat habitual constipation and senile constipation, and has certain heat-clearing and stagnation-resolving effects.

Hemostatic senna leaves have obvious hemostatic effect on gastric and duodenal bleeding. Generally, senna leaves can be directly applied to the bleeding place to stop the bleeding immediately.