Only the peel has proven medicinal value, and only for digestive problems.
Homeopathic practitioners use both the peel and the flower as remedies for headache and pain.
The small, unripened fruit are a traditional flavoring in the liqueur Curacao. The peel of the fruit, fresh or dried, soothes spasms in the digestive tract. Special Cautions Frequent contact with the peel can cause skin irritation, including redness, swelling, and blisters. In light-skinned individuals, the drug may heighten sensitivity to sunlight. There are no known drug interactions.