St. john's wort Side Effects

Some side effects of st. john's wort may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

Applies to st. john's wort: oral capsule, oral tablet

Although uncommon, allergic reactions to St. John's wort have been reported. Stop taking St. John's wort and seek emergency medical attention if you experience symptoms of a serious allergic reaction including difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives.

Other less serious side effects have been more frequently reported. Talk to your doctor or pharmacist if you experience

  • increased skin sensitivity to sunlight,

  • a rash,

  • a feeling of fullness in your stomach, or

  • constipation.

Side effects other than those listed here may also occur. Talk to your doctor, pharmacist, or health care provider about any side effect that seems unusual or that is especially bothersome.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.

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