Educational information, not medical advice — ask your doctor or midwife.
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Kali cyanatum is a homeopathic remedy. It is made from potassium cyanide, a deadly poison. Before sale, the raw material is watered down and shaken again and again.
Homeopaths have used it for sharp nerve pain in the face, for a headache at the back of the head, and for a feeling of dread. Those uses come from old case notes. They do not come from trials.
Old use is not proof that a thing works. At 30C, no atom of the source is left in the pill. Trials do not show that it works better than a placebo (a dummy pill).
Homeopathy rests on one idea. A tiny dose of a thing that causes symptoms is said to ease those same symptoms. Makers water the source down in steps, and shake it hard at each step.
At 30C the source has been cut 1 part in 100, thirty times over. Almost surely not one atom of cyanide is left. So there is no known way the pill could act on the body.
Homeopaths say the water keeps a trace of the source. Science has not shown this to be true. Relief that people feel is best put down to placebo and to time.
You will see sugar pills, small round pellets, drops, and liquids mixed with alcohol. Some sellers offer creams, but these are rare.
Common labels are 6C, 12C, 30C and 200C. The number tells you how many times the source was cut 1 part in 100. A higher number means less source material, not more proven power.
Homeopathy began in Germany around 1796 with Samuel Hahnemann. Kali cyanatum was added later in the 1800s. Healthy volunteers took small doses and wrote down what they felt.
It has never been a main remedy. A few old homeopathic books list it for face pain and headache. That is a thin record, so we rate it T1.
Some reactions to Kali cyanatum need urgent care. Call your local emergency number or go to an emergency department straight away — do not wait to see whether it passes.
Call emergency services at once if you or someone else may have taken real cyanide. Warning signs are a sudden pounding headache, confusion, gasping for air, a racing heart, or collapse. Take the packet with you.
See a doctor the same day for a fit, chest pain, a stiff neck with fever, or a sore that bleeds.
Book a normal appointment if face pain, a headache, a hoarse voice or a mouth sore lasts more than two weeks, 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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