Applies to elderberry: oral liquid.
Follow all directions on the product label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Although not all side effects are known, elderberry is thought to be possibly safe when taken as directed for a short period of time.
Elderberry is possibly unsafe when uncooked leaves, stems, or fruit are consumed. The elderberry plant contains a chemical that produces cyanide in the leaves or other plant parts and in the unripe green fruit. This can cause nausea, vomiting, and diarrhea, or more serious side effects if consumed in large quantities.
Stop using elderberry and call your doctor at once if you have:
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severe or ongoing vomiting or diarrhea;
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numbness; or
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severe weakness, dizziness, or confusion.
Common side effects may include:
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nausea, vomiting;
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stomach cramps;
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diarrhea; or
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runny nose.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.
