Educational information, not medical advice — ask your doctor or midwife.
Aerva javanica is a small shrub with soft white flower spikes. It grows in dry, sandy ground. Some people call it desert cotton or snow bush.
The plant is native to Africa, the Middle East and South Asia. Folk healers there used the root, leaf and flower. The soft flower heads were also used to stuff pillows.
Today you may find it as a dried herb or a powder. It is a niche herb, not a common supplement.
Long use in folk medicine is not proof that it works. It is also not proof that it is safe. Human evidence for this plant is very thin.
No one has shown how this plant works in the human body. The findings we have come from the lab.
In test tubes, extracts slow the growth of some bacteria and fungi. Whether that happens in or on the body is not known.
In rats and mice, extracts have lowered blood sugar. They have also eased swelling in animal tests. Animal results often fail to repeat in people.
Lab work also points to antioxidant action. Antioxidants mop up unstable molecules called free radicals. That is a lab result, not a health claim.
The old use for stones in the kidney and bladder rests on urine flow. No human study has tested that idea here.
The dried whole herb is the form you are most likely to meet.
- Dried leaf, root or flower, sold loose - Ground powder - Water or alcohol extracts, sometimes in capsules or tinctures - Fresh leaf crushed into a paste for the skin, in folk use
No form has an agreed, tested strength. Labels rarely say how much plant is in a dose. Quality checks are patchy, so content can vary.
Desert peoples have used this plant for a very long time. Records come from North Africa, Arabia, Iran, Pakistan and India.
Healers gave root teas for stones in the kidney and bladder. Leaf pastes went on wounds, boils and swollen joints. Some groups used it as a water pill (diuretic) and for headache.
The plant had uses outside medicine too. The woolly heads stuffed pillows and saddle pads. Herders fed the plant to camels and goats in dry years.
These records tell us what people did. They do not tell us what the plant can do.
Stop the plant and get help if something changes. Call emergency services for swelling of the face or lips, or for trouble breathing.
See a doctor the same day if you have:
- Severe pain in the back, side or belly - Blood in your urine, or trouble passing urine - Fever with chills - Shaking, sweating or confusion, which can mean low blood sugar - Yellow skin or eyes - A spreading rash, or a wound that looks red, hot or weeping
Tell the doctor what you took, and bring the pack with you.
In the United States it may be sold as a dietary supplement, not as a medicine. In the UK and the EU it holds no herbal medicine licence. Rules differ by country, so check your own.
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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