Educational information, not medical advice — ask your doctor or midwife.
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Ranunculus bulbosus is a single homeopathic remedy made from the bulbous buttercup, a wild meadow plant. Homeopaths give it most often for sharp, stabbing pain in the chest wall and ribs. It is also a classic homeopathic choice for shingles, a painful blistering rash.
The remedy is made by diluting the plant juice again and again, with shaking at each step. At 30C, the strength most shops sell, no plant matter is left at all. What you take is sugar and water.
Trials have not shown that homeopathic pills work better than a dummy pill. The remedy has a long place in homeopathic books, but long use is not proof that something works. Read the rest of this page with that in mind.
There is no known body process that explains how this remedy could act. At 30C there is nothing of the plant left to act.
Homeopathy rests on an old idea called 'like cures like'. A substance that causes symptoms in a well person is said to treat those same symptoms once it is heavily diluted. Fresh buttercup sap raises blisters and causes burning, stinging pain.
That is why homeopaths matched it to blistering rashes and stabbing nerve pain. This is a matching rule, not a tested mechanism. Any relief people report is best explained by time, care and the placebo effect.
Most people take small sugar pellets that melt under the tongue. Liquid drops in alcohol and water are also sold.
Common strengths are 6C, 12C and 30C. The 'C' means each step dilutes the mix 100 times over.
Mother tincture and 1X or 2X strengths are different. They still hold plant material and can burn or blister. Do not treat them as the same thing as a 30C pellet.
The bulbous buttercup grows in meadows across Europe and has long been known as a plant that burns the skin. Followers of Samuel Hahnemann tested it in the early 1800s and wrote up what they saw.
It has stayed a standard entry in homeopathic texts since then. It is best known there for rib and chest wall pain and for shingles. Its standing is inside homeopathy only, not in herbal medicine.
Some reactions to Ranunculus bulbosus need urgent care. Call your local emergency number or go to an emergency department straight away — do not wait to see whether it passes.
See a doctor the same day if you have chest pain, trouble breathing, or pain that spreads to your arm, neck or jaw.
Get medical help right away if a blistering rash appears near your eye, spreads fast, or comes with fever.
Call a poison centre or emergency service at once if anyone swallows the fresh plant. Signs include burning in the mouth, drooling, vomiting and stomach pain.
Book a normal appointment if your pain lasts more than a few days or keeps coming back.
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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