← Back to herbs

Thumbai (Leucas)

Dronapushpi

Leucas aspera

A pungent, warming Siddha and Ayurvedic herb valued for colds, sinus congestion and insect bites. Used for nasal congestion, fever, headache and as an external application for stings.

reduces Vataneutral for Pittareduces Kapha

Ayurvedic properties

  • Rasa (taste): pungent, bitter
  • Virya (energy): heating
  • Vipaka (post-digestive): pungent
  • Guna (qualities): light, dry, sharp

Traditionally used for

  • nasal and sinus congestion
  • fever
  • headache
  • insect bites (external)

Contraindications & cautions

  • pitta excess in high doses

Possible interactions

  • none well documented

Evidence notes

Traditional decongestant and antitoxic herb; preliminary antimicrobial and anti-inflammatory data.

Regulatory notes

Flowers and leaves used domestically and in Siddha practice.

Classical sources

Source: Agasthiyar Vaidya Kaviyam; Siddha materia medica. pending provider validation

Educational information about Ayurveda — not a medical diagnosis or treatment. Consult a qualified professional before starting any herb, supplement, or therapy.