Individual patients are allergic to cassia seed. Side effects such as numbness of lips and tongue, itching of skin, nausea and vomiting, abdominal pain, diarrhea, wheezing, cyanosis of mouth and lips will occur after taking cassia seed, so patients with allergic reaction to cassia seed should be prohibited.

2, affect the premature delivery induced by menstruation

Because cassia seed is responsible for relaxing bowels and dispelling cold, it naturally has side effects on pregnant women. And drinking cassia seed tea for a long time will lead to irregular menstruation and abnormal endometrium, thus inducing premature delivery, so expectant mothers can't drink cassia seed tea.

3, affect fertility

Women can't take a lot of cassia seed for a long time. Because cassia seed has a certain weight loss effect, many women like to drink a mouthful of water soaked in cassia seed at any time every day, thinking that this has a good weight loss effect. Actually, this is not a scientific function. If this method is maintained for a long time, women's fertility will be affected and menstruation will become irregular.

4. Impaired liver and kidney function

Although cassia seed has the effects of clearing away heat, calming the liver, lowering blood lipid and lowering blood pressure, whatever it is, it has its two sides. Cassia seed, as a traditional Chinese medicine, is cool, so it is not suitable for ordinary people to drink too much. Cassia seed tea is especially not suitable for patients with spleen and stomach weakness and diarrhea. If you drink the tea soaked in cassia seed for a long time, it will lead to impaired liver and kidney function and affect your health.

5, aggravate spleen and stomach deficiency and cold

Cassia seed has the functions of stopping diarrhea, lowering blood pressure and lowering blood fat. Although it has many good effects, cassia seed is cold after all and is not suitable for people with deficiency-cold constitution. Diarrhea caused by deficiency of the spleen and stomach and hypotension should be eaten carefully, otherwise it will aggravate the condition.

6. Intestinal lesions

Cassia seed mainly contains chrysophanol, emodin and other compounds. If taken for a long time, it is easy to cause intestinal diseases, and the most common one is intractable constipation. Therefore, in order to achieve a certain curative effect without harming health, it is suggested that cassia seed should be taken together with other medicinal materials.