Khella has been used for the treatment of urologic, dermatologic, and respiratory symptoms. It is used in the management of bronchial asthma and angina pectoris. The plant also possesses antimicrobial activity and inhibits certain mutagens. However, research reveals no clinical data regarding the use of khella for any of these conditions. Current research focuses on the use of khellin in the treatment of vitiligo.
The pure compound khellin has been applied topically as a 2% preparation for vitiligo. In a study of cholesterol regulation, khellin 200 mg/day was administered orally.
Contraindications have not yet been identified.
Khella Adverse Reactions:
Nausea, vomiting, and ophthalmic changes (eg, decreased visual acuity) have occurred.