Despite serious safety concerns, blue flag is used as a laxative and to relieve fluid retention and bloating. It is also used to treat swelling (inflammation) and skin conditions; and to prevent vomiting. Some people use it for liver problems and to increase bile production.
Insufficient Evidence to Rate Effectiveness for...
Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).
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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.