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low potassium; heart problems; muscle weakness; and blood problems, including blood in the urine. Some people get uncomfortable cramps from alder buckthorn. If you experience diarrhea or watery stools while using alder buckthorn, stop taking it.
The fresh bark can cause severe vomiting. Make sure you are using a bark product that is at least one year old or has been heat processed.
Alder buckthorn is UNSAFE for children younger than 12 years of age.
Do not take alder buckthorn 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.