Siwu decoction has the functions of promoting blood circulation and enriching blood. Taking it during menstrual period may lead to the increase of menstrual blood volume, abdominal distension and abdominal pain. In addition, women with abnormal physiological period should first seek medical advice to find out the problem, exclude the possibility of other gynecological diseases, and don't blindly hope to adjust with Siwutang.

2, people who are hot are forbidden to drink.

It is best not to drink Siwu decoction for people with heat constitution, which is manifested in thick tongue coating, dry mouth, oral ulcer, irritability and allergies, sleeping and dreaming. Siwu decoction will aggravate the bad symptoms of people with body heat and make it more serious.

3, people who have a cold and cold are forbidden to drink.

People who have a cold, cough, sore throat or have not recovered from a cold are not suitable to drink Siwu decoction, which will accelerate the blood circulation and make the symptoms of inflammation and swelling of a cold more serious.

4, people with poor stomach should not drink.

People with poor gastrointestinal function, easy stomach pain and bloating, and poor appetite are not suitable for drinking Siwu Decoction. Rehmannia glutinosa in Siwu decoction is sticky, difficult to digest and absorb, and the white peony root is sour and cold, which may lead to abdominal distension and diarrhea in people with poor gastrointestinal function, which is counterproductive.

5, menopausal women should not drink.

Climacteric grumpy, hot and dry constitution, and blood and qi of Siwu decoction will aggravate menopausal symptoms.

6. Pregnant women and lactating women are forbidden to drink.

Siwutang is a kind of medicinal material, which may inevitably bring side effects while regulating the body, so it is not suitable to drink during pregnancy and lactation for the sake of the baby.