Although proven effective only for edginess and insomnia, Passion Flower has also been used as a remedy for depression and nervous stomach.
Homeopathic practitioners prescribe it for asthma and whooping cough.
Applied externally, it has been used for hemorrhoids. The above-ground parts of the plant hold its medicinal value. In animal tests, researchers found that the plant slows the passage of food through the digestive tract. At customary dosage levels, Passion Flower poses no risks. No interactions have been reported.