Educational information, not medical advice — ask your doctor or midwife.
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Lyssinum is a single remedy used in homeopathy, not a blend. It is also sold as Lyssin or Hydrophobinum. Its Latin name means the saliva of a rabid dog, and that saliva is the starting material.
That material is diluted over and over, and shaken at each step. At 30C, the usual strength, none of the source is left. The pellet or drop you take holds no rabies material at all, so it cannot give you rabies.
Homeopaths reach for it when a person has fear of water, sudden rage, or nerves that feel raw. Long use in a tradition is not proof that a remedy works. In trials, homeopathy has not beaten placebo, a dummy pill with no drug in it.
Short answer: no one has shown that it works, and there is no known way it could.
Homeopathy rests on two ideas. One is that a thing which causes symptoms in a well person can ease those same symptoms in a sick one. The other is that shaking a liquid while you dilute it makes it act more strongly.
Neither idea fits what we know about chemistry. At 30C, not one particle of the source is left to act. Any change a person feels is most likely from hope, care and time, not from the pellet.
Pellets of 30C are the form you will see most. They are small white balls of milk sugar, and you let them melt in your mouth.
Liquid drops come in water and alcohol. You put them under the tongue or in a little water.
Labels run from 6C up to 200C and higher, such as 1M. All are past the point where any source is left. A higher number means more diluted, not more medicine.
Constantine Hering, an American homeopath, made this remedy in 1833. He took saliva from a dog with rabies and diluted it.
It belongs to a group homeopaths call nosodes, which are remedies made from diseased material. Hering's volunteers took it and wrote down what they felt. That list became the picture of its use.
It has stayed a minor remedy. It is known across homeopathy, but it is not a staple of daily practice.
Some reactions to Lyssinum need urgent care. Call your local emergency number or go to an emergency department straight away — do not wait to see whether it passes.
Go to a hospital emergency department right away if any animal has bitten, scratched or licked you, even lightly. Rabies shots only work before signs start.
Get help fast for fever, confusion, fear of water, trouble swallowing, muscle spasms, or rage that frightens you or the people around you.
See your own doctor if fear, anger or raw nerves are wearing you down day after day.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
Reviewed by the HealisticMD editorial team How we grade evidence →
The published evidence for Lyssinum is weak or absent. That usually means no controlled trial has tested it, not that a trial found it ineffective — the two are different, and we grade only what has been published.
What it is typically used for, usual dose, cautions, and the study behind it where real trial data exists.
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