Punarnava
Sanskrit: Punarnava
Boerhavia diffusa
A monsoon-season plant whose root is traditionally associated in Ayurveda with urinary comfort and fluid balance.
Also known as
Punarnava · Spreading hogweed · Sant
- hindi:
- Punarnava / Gadahpurna
- tamil:
- Mukaratte kirei
- telugu:
- Atikamamidi
- bengali:
- Punarnava
- marathi:
- Ghetuli
Parts used
- Whole plant
- Root
Traditional overview
- The name means "renewing", referring to how the plant revives in the rains.
- The tender leaves are eaten as a seasonal green in some regions.
- The root is traditionally prepared as a decoction in Ayurvedic practice.
Common traditional forms
- decoction
- powder
- seasonal leafy vegetable
- tablet
Wellness tags
- urinary wellness
- fluid balance
Body focus
- kidneys
- urinary system
Concerns
- general urinary wellness
- fluid retention support
What to know before use
A concentrated herb with a diuretic tendency, traditionally used where fluid retention and puffiness are discussed. That is exactly why it should be practitioner-guided: swelling can signal heart, kidney or liver problems that need diagnosis. It is unsuitable in pregnancy, breastfeeding and childhood, and needs clinician review with kidney disease, diabetes, heart failure, and with diuretic or blood-pressure medicines. It must not replace prescribed diuretics.
Important cautions
Traditionally used to encourage urine flow, which makes it unsuitable for self-use where kidney, heart or fluid problems have been diagnosed.
Who should avoid it
- People with diagnosed kidney disease, unless a practitioner is guiding them
- People with heart conditions or diagnosed fluid retention
- People who are dehydrated or on fluid restriction
- People with low blood pressure
Medicine interactions
- May add to the effect of diuretic medicines
- May affect potassium levels alongside heart medicines
- Caution with blood pressure and blood sugar medicines
PregnancyNot advised during pregnancy or nursing.
ChildrenNot intended for children outside its normal use as a seasonal cooked green.
Quality and buying guidance
Buy material labelled Boerhavia diffusa from a licensed manufacturer with batch and expiry — the plant is a common weed and bulk material of unclear identity or field origin is best avoided. Prefer suppliers publishing heavy-metal and microbial testing, and store airtight, cool and dry.
Evidence note
This entry rests on traditional and household use recorded over generations, not on clinical trials. Treat it as cultural and educational information.
Traditional wellness information only — not medical advice. Start small, and check with a qualified practitioner if you are pregnant, nursing, treating a child, or managing a medical condition.