What are the precautions of using barberry?

Answer:
Barberry root should not be taken by pregnant women because of its stimulant effect on the uterus. Those with heart disease or chronic respiratory problems should consult a medical specialist first.
First answer by Gale Ency. of Alt Med. Last edit by Gale Ency. of Alt Med. Contributor trust: 16 [recommend contributor recommended]. Question popularity: 1 [recommend question].