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itching, upset stomach, and reduced appetite.
There is some concern that it might also cause drowsiness, dizziness, and a blood condition called thrombocytopenia. But there isn't enough information to know for sure if danshen causes these side effects.
Do not use danshen if:
Report Problems to the Food and Drug Administration
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.