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It also seems to be safe for most adults when small doses are taken by mouth. In some people, witch hazel might cause stomach upset when taken by mouth. Large doses might cause liver problems.
Do not take witch hazel by mouth if:
APPLIED TO THE SKIN:
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.
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