Overview Of Supplements And Medications That Raise Blood Pressure

St. John's Wort

St. John's wort is an herbal supplement. While some studies indicate that it may help treat mild depression, it has been shown to increase blood pressure. Thus, it is not recommended for hypertension patients. Case studies suggest that the herb may also have dangerous effects on blood pressure in individuals without hypertension. For example, a case study of a forty-one-year-old male reported that he experienced a hypertensive crisis after using St. John's wort for seven days. The patient had followed the dosing instructions on the package, and he was not taking any other medicines. The man was admitted to the emergency room after experiencing delirium. His blood pressure was recorded at 210/140 mm Hg.

Patients are encouraged to try prescription antidepressants instead to avoid the potentially dangerous effects associated with St. John's wort. St. John's wort could cause serious side effects if combined with other medicines. Thus, patients should always let their doctor know that they are using this supplement.

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