Medications
 
 

St Johns Wort Side Effects

Were you looking for information about
 St. John's Wort Side Effects? St Johns wort side effects is a common misspelling of St. John's wort side effects.
 
Although St. John's wort (Hypericum perforatum) is a "natural" substance, it can still cause side effects. Nausea, diarrhea, and insomnia are some of the common side effects reported with St. John's wort. This supplement can also cause more serious side effects, such as hallucinations, allergic reactions, and heart palpitations. Notify your healthcare provider right away if you develop these or other serious side effects.
 
(Click St. John's Wort Side Effects to read the complete eMedTV article, which lists other common side effects of St. John's wort, as well as which side effects require immediate medical attention. You can also click on any of the links in the box to the right for more specific information.)
 
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD