The term "passion flower" is used to denote many of the approximately 400 species of the herb. Passion flower has been used in medicine to treat pain, anxiety, and insomnia. Some herbalists use the herb to treat symptoms of parkinson-ism. Passion flower is often used in combination with other herbs, such a valerian, chamomile, and hops, for promoting relaxation, rest, and sleep. Although no adverse reactions have been reported, large doses may cause CNS depression. The use of passion flower is contraindicated in pregnancy and in patients taking the monoamine oxidase inhibitors (MAOIs). Passion flower contains coumarin, and the risk of bleeding may be increased when used in patients taking warfarin and passion flower.
The following are recommended dosages for passion flower:
• Tea: 1-4 cups per day (made with 1 tablespoon of the crude herb per cup)
• Tincture (2 g/5 mL): 2 teaspoons (10 mL) 3-4 times daily
• The Patient Receiving a Narcotic Analgesic for Pain ASSESSMENT
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