Educational information, not medical advice — ask your doctor or midwife.
Ākhuparṇī is a small creeping herb used in Ayurveda. It is usually given on its own, as a single herb. It is not part of a mixed formula.
Its Latin name is Merremia emarginata. It is also called kidney-leaf morning glory. The part used is the whole plant, fresh or dried.
Healers use it mainly for urinary problems. They also use it for mild fluid retention (swelling from extra water in the body). Other uses are headache, joint pain and skin sores.
The Sanskrit name means "rat-ear leaf". It comes from the shape of the small, kidney-shaped leaves. Older texts also link the plant with rat-bite poisoning.
Here is the honest verdict on the evidence. Almost all we know comes from lab and animal work.
Traditional use is a record of what people have long done. It is not proof that the herb works. That point applies to everything on this page.
No one has shown how this plant works in people. So what follows is informed guesswork. It comes from test-tube and animal studies.
Whole-plant extracts made rodents pass more urine. That fits the old use for swelling and urinary problems.
Other lab work points to antioxidants in the plant. These are substances that mop up reactive molecules in cells. The plant also acts against some bacteria in a dish.
None of these findings has been repeated in humans. An effect in a rat or a petri dish means little on its own. It often does not carry over to a person at a real dose.
Ākhuparṇī is mostly a home and practitioner herb. It is not often sold as a shelf product.
Common forms: - Fresh whole plant, crushed for juice (svarasa) - Dried whole-plant powder (churna) - Water decoction (kwatha) of the dried plant - Fresh leaf paste put on the skin - Now and then, one part of a mixed Ayurvedic product
Quality is a real problem here. The plant is often picked wild. It is also sold in place of other plants called Musakaparni.
So what is in the bag may not match the label.
Ākhuparṇī appears in Ayurvedic plant lists (nighantus). It is also used in local practice across India and Sri Lanka. The fresh plant is easy to find in damp ground and field edges.
Old texts and folk sources describe it for urinary problems, swelling and headache. They also list rheumatic pain (aching joints) and boils. It was used as part of care after a rat bite too.
In several regions it is used as a source of the drug Musakaparni, or in its place.
It has stayed a modest, mostly local herb rather than a famous one. It has never been a major subject of formal research.
See a doctor promptly if you have swelling in your legs, face or belly that is new, worsening or comes with breathlessness. Also get medical advice for pain or burning when passing urine, blood in your urine, passing very little urine, fever, or a headache that is sudden or severe.
Stop taking it and seek care the same day if you get diarrhoea that will not settle, dizziness or fainting, a fast or irregular heartbeat, or a rash with swelling of the lips or tongue.
Any animal bite, including a rat bite, needs medical care straight away for wound cleaning and possible tetanus or antibiotic treatment.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
What it is typically used for, usual dose, cautions, and the study behind it where real trial data exists.
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