Educational information, not medical advice — ask your doctor or midwife.
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Thymuinum is a homeopathic remedy made from the thymus gland of a sheep. Its Latin name is Glandula thymus (Ovis aries). It is also sold as thymus gland extract.
The thymus is a small gland in the chest. It helps young immune cells grow up. Homeopaths have given this single remedy for slow growth in children, swollen glands and children who catch one bug after another.
The remedy is watered down over and over again. At the common 30C strength, none of the gland material is left. Tests in people have not shown it works better than a dummy pill (placebo), and long use inside a tradition is not proof that something works.
There is no known way for Thymuinum to act on the body. Makers mix a small amount of sheep thymus tissue with liquid. They then dilute it again and again, shaking it at each step.
By 30C the mix has been watered down so far that none of the starting material is left. Homeopaths say the liquid keeps a trace or "memory" of it. Lab work has found no sign of such a trace.
So any change you notice is most likely the placebo effect, which means feeling better because you expect to. Many complaints also come and go on their own.
Thymuinum comes as small sugar pellets, as liquid drops, or as a ground powder that makers call a trituration. Pellets are the most common form.
Common strengths are 6C, 30C and 200C. The bigger the number, the more it has been diluted. A few suppliers sell low strengths such as 3X or 6X, which may still hold traces of gland tissue.
Liquid drops usually contain alcohol. Pellets are usually made from lactose (milk sugar) or from cane sugar.
Thymuinum belongs to a group of homeopathic remedies called sarcodes. These are made from healthy animal organs and glands.
Homeopaths began using sarcodes in the late 1800s and early 1900s. They linked the thymus to growth in children and to the body's defences. So they gave this remedy to children who were small, tired or often unwell.
It has always been a minor remedy. Only a small number of homeopaths use it today, and it does not appear in most first-line remedy lists.
See a doctor if a child is not growing, not gaining weight, or is losing weight. Also go if a swollen gland keeps growing, feels hard, or lasts more than about three weeks.
Get help the same day for a high fever, trouble breathing, a stiff neck, or a child who is very drowsy. Call emergency services for severe breathing trouble, or for swelling of the face, lips or throat after any dose.
And see a doctor if you have been using this remedy for a few weeks and the problem is no better.
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 Thymuinum 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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