Gundrā
Quick Facts
- What it is: Gundrā is the Ayurvedic name for cat-tail or bulrush (Typha angustata), a marsh reed whose rhizome and pollen are used as a cooling, astringent remedy for bleeding and urinary burning.
- Main uses: Heavy menstrual bleeding, Blood in the urine, Burning when passing urine, Bleeding piles, Minor wounds
- Best for: Traditional Ayurvedic treatment of bleeding disorders under a practitioner's care
- Active ingredients: Tannins, Flavonoids including isorhamnetin and quercetin compounds, Starch and mucilage, Plant sterols
- Forms: Dried rhizome powder, Fresh rhizome juice, Decoction, Pollen powder for skin use, Ingredient in compound formulas
- Time to effect: Not established; tradition expects days rather than weeks, but nothing has been measured in people.
- Side effects: Usually mild stomach upset or constipation; the pollen can trigger hay fever or asthma symptoms, and bleeding risk is a theoretical concern.
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What is Gundrā?
Gundrā is the Ayurvedic name for the cat-tail or bulrush plant, Typha angustata, a tall marsh reed with a brown, sausage-shaped flower spike. Ayurvedic practice uses the rhizome (the underground stem), the soft inner stalk and the yellow pollen from the flower spike.
It is classed in Ayurveda as a cooling, soothing drug. It is used mainly for bleeding problems such as heavy periods, blood in the urine or piles, and for burning when you pass urine. It is also applied to minor wounds and used as a demulcent (a substance that coats and soothes irritated tissue).
Here is the honest verdict up front: Gundrā has a long record in Ayurvedic texts, but we could not find published human trials testing it. Traditional use tells you what healers have done for a long time. It does not by itself prove that a remedy works, and that distinction applies to everything on this page.
How does Gundrā work?
No one has shown in people how Gundrā works, so what follows is theory rather than proven fact.
Ayurveda describes Gundrā as sheeta (cooling), madhura (sweet in taste) and stambhana (holding back or checking flow). On that model it is used to calm heat and to slow bleeding from the urinary tract, gut or womb.
Laboratory work on Typha species points to tannins and flavonoids, plant compounds that bind and tighten tissue surfaces. In a test tube these can shrink small blood vessels and reduce oozing, which may be why traditional healers dusted the pollen on cuts.
Curiously, the same plant material has also shown the opposite effect in lab studies: some Typha pollen extracts slow platelets, the blood cells that form clots. That is a reason for caution rather than a claim, and it is why people on blood thinners are asked to stay away.
What forms does Gundrā come in?
Gundrā reaches you in a few plain forms.
- Dried rhizome powder (churna), the most common Ayurvedic form - Fresh rhizome juice (swarasa), used in classical practice - A water decoction (kwatha) made by simmering the chopped rhizome - Pollen collected from the flower spike, used dry as a dusting powder or taken internally - Small amounts inside compound Ayurvedic formulas for urinary complaints
Quality varies a lot. Marsh plants take up whatever is in the water and mud around them, including heavy metals, so buy only from a supplier who tests for contamination.
Where it comes from:
Gundrā appears in classical Ayurvedic materia medica among the trina (grass and reed) drugs, and is grouped with cooling remedies for raktapitta, an old term for bleeding disorders. Indian folk practice across wetland regions has used the rhizome as famine food as well as medicine.
Close relatives of the plant carry a parallel record elsewhere. Typha pollen, known as pu huang, is a well-known bleeding remedy in Chinese medicine, and North American peoples used cat-tail rhizome and pollen for food, burns and wounds.
So the plant is widely known and long used. What it lacks is modern testing in people.
Who should avoid Gundrā?
- Do not use Gundrā if you are pregnant, because cat-tail pollen is traditionally avoided in pregnancy and its safety for a developing baby is unknown.
- Do not use it if you are breastfeeding, as nothing is known about what passes into breast milk.
- Do not use it if you take warfarin, aspirin, clopidogrel or any other blood-thinning medicine.
- Do not use it if you have a bleeding disorder such as haemophilia (an inherited condition where blood does not clot properly) or a low platelet count.
- Do not use it in the two weeks before any planned surgery or dental extraction.
- Never use it if you are allergic to cat-tail, grass or reed pollen, or to other members of the same plant family.
- Avoid it if you have asthma (a long-term condition that narrows the airways) or hay fever set off by pollen, since even handling the powder can trigger symptoms.
- Do not give it to children without an Ayurvedic practitioner's direct supervision.
- Do not use it if you have chronic kidney disease (long-term reduced kidney function) or liver disease, because it has never been tested in people with these conditions.
- Never harvest cat-tail from roadside ditches, farm runoff or polluted water, as the plant takes up heavy metals from the mud it grows in.
When should you see a doctor?
See a doctor the same day if you have blood in your urine, bleeding from the back passage, bleeding that will not stop, or unusual bruising.
Get urgent help if you have burning urine along with fever, shivering or pain in your back or side, which can mean a kidney infection.
Call emergency services if you get swelling of the lips, tongue or throat, a widespread rash, wheezing or trouble breathing after taking or handling it.
Also book an appointment if periods are getting heavier, if you feel faint or breathless, or if any symptom has not improved after about two weeks.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
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