Kusa (Kusha (Yavasa, Dusparsha, Dhanvayasa, Kunashaka))
Kusha, known scientifically as Desmostachya bipinnata, is a revered Ayurvedic herb. It's known for its diuretic, anti-inflammatory, and anti-diarrheal properties. Traditionally used in rituals and medicine, modern research validates its therapeutic potential.
Botanical name: Desmostachya bipinnata. Also known as: Kusha, Darbha, Suchyagra, Yagyabhushana, Brahmapavitra, Tikshna, Kshurapatra, Kushta, Kusa, Dab, Davoli, Durva, Derbha, Ulu, Darbha, Darabha, Kusha, Darbhe, Sanna dabbac hullu, Kusha veru, Darbha, Darbhappullu, Darbha, Dhab, Dih, Kusa, Daaba, Silu, Teruppai, Tharubai, darbhaipul, Darbha, Darbhagaddi, Kusa dharbha, Tadch grass, Sacrificial grass, Sacred Kusha grass, Halfa grass, Big cord grass, Salt reed-grass.
Properties
Diuretic activity, Anti-inflammatory activity, Analgesic activity, Anti-diarrheal activity, Hepatoprotective activity, Antioxidant activity, Antimicrobial activity, Anti-histaminic activity, Anti-allergic activity
Dosage
Powder (Churna): 1–3 g once or twice daily with warm water. Some sources suggest 2-4g. Decoction (Kwath): 30–50 ml twice daily. Some sources suggest 50-100 ml. Extracts: Standardized extracts (5:1 ratio) are found in capsules; typically 250–500 mg per dose. In a study, 5g of root powder was given orally twice daily for 14 days.
Classical attributes
- Rasa: Madhura, Kashaya
- Virya: ["Shita (Cooling)"]
- Vipaka: ["Madhura"]
Benefits
- Trinanut
- Dahahara
- Shothahara
- Mutra Virechaniya
Traditional uses
- Daha (burning sensation)
- Shotha (inflammation)
- Mutrakricchra (dysuria)
- Atisara (diarrhea)
- Raktapitta (bleeding disorders)
- Kshata (wounds)
Dosha effects
- vata: balancing
- kapha: balancing
- pitta: balancing
Preparation methods
- Powder (Churna): The dried grass is ground into a powder.
- Decoction (Kwath): Simmer dried Kusa grass in water until reduced to half the original volume. The decoction of the root is given in a dose of 40-50 ml to treat various conditions.
- Paste (Lepa): Fresh blades and stems are crushed with a little water to form a thick paste. The paste of the root can be applied to the affected area in conditions like eczema.
- Cold Infusion: Cold infusion prepared from the root is given in a dose of 40-50 ml for dysmenorrhea and leucorrhea.
- Infusion: Dip 5 gram of Kusa root powder in one glass of water and stir. Drink twice a day for urinary tract infection.
- Mixing with other ingredients: Kusa root can be pounded with rice water and taken for three days to check bleeding. It can also be mixed with Bala root and taken with rice water to check bleeding from piles.
Contraindications
- Gastrointestinal irritation: High internal doses may cause mild stomach discomfort or diarrhea.
- Excessive diuresis: It may cause dehydration if fluid intake isn't increased proportionally due to its diuretic effect.
- Allergic reactions: Rare cases of contact dermatitis have been reported with topical paste applications.
- Drug interactions: Seek your doctor's advice if you are taking this product along with other western (allopathic/modern) medicines. Some Ayurvedic herbs can interact with modern medicine.
- Surgery/Lab Tests: If you are scheduled for surgery or lab tests, understand that taking an herbal supplement may interfere with these procedures or cause adverse effects.
- Pregnancy and breastfeeding: Pregnant and lactating mothers should seek medical advice before taking this herb.
Side effects
- Desmostachya bipinnata is considered safe when used in traditional doses.
- Gastrointestinal irritation: High internal doses may cause mild stomach discomfort or diarrhea.
- Excessive diuresis: Risk of dehydration if fluid intake isn't increased proportionally.
- Allergic reactions: Rare cases of contact dermatitis have been reported with topical paste applications.
- No adverse effects have been reported with normal use.
Interactions
- Seek your doctor's advice if you are taking this product along with other western (allopathic/modern) medicines.
- If both Ayurvedic and allopathic medicines are advised together, then it is best to take Allopathic medicine first, wait for 30 minutes and then take the Ayurvedic medicine.
Clinical evidence
Limited clinical trials and studies support the traditional uses of Desmostachya bipinnata. Animal studies demonstrate anti-inflammatory, analgesic, anti-diarrheal, and hepatoprotective activities. Studies on healthy volunteers showed increased urine volume, though not statistically significant.
Ayurvedic karmas
- Trinanut
- Dahahara
- Shothahara
- Mutra Virechaniya
Classical clinical indications
- Daha (burning sensation)
- Shotha (inflammation)
- Mutrakricchra (dysuria)
- Atisara (diarrhea)
- Raktapitta (bleeding disorders)
- Kshata (wounds)