RSSHomeopathy 101: What It Is, and What the Evidence Says
A plain-English introduction to homeopathy's core principles, and an honest look at what the clinical evidence actually shows.
Homeopathy is one of the more widely recognised – and more widely debated – complementary therapies, so it is worth understanding both what it actually involves and what the evidence does and does not support.
The core idea
Homeopathy was developed in the late eighteenth century on two central principles: that “like cures like” (a substance that causes symptoms in a healthy person could, in a heavily diluted form, treat similar symptoms in someone unwell), and that repeated dilution makes a remedy more potent rather than less. Remedies are prepared by diluting a substance, often to the point where little or none of the original ingredient remains, and are typically sold as small sugar pillules or drops.
What the evidence says
This is the point where homeopathy departs most sharply from conventional medicine, and it is worth being straightforward about it: the weight of good-quality clinical research, including large systematic reviews carried out by bodies such as Australia's National Health and Medical Research Council, has not found reliable evidence that homeopathic remedies work better than a placebo for any health condition. The NHS in England no longer routinely funds homeopathic treatment for this reason.
That does not mean people do not report feeling better after seeing a homeopath – the consultation itself is often thorough and reassuring, and placebo effects, along with the body's own tendency to recover from minor ailments over time, are real. But it is a different thing from the remedy itself having a measurable pharmacological effect.
If you are considering it
Homeopathy is generally considered low-risk in itself, given how dilute most remedies are, but it should not replace conventional treatment for serious or ongoing medical conditions, and it is worth telling your GP if you are using it alongside other care. As with any complementary therapy, going in with realistic expectations, informed by what the evidence actually shows, is the sensible approach.