Skip to content

Remedy reference

Causticum

(Causticum Hahnemanni · Hahnemann’s caustic potash)

The remedy of deep sympathy. In the materia medica, Causticum is associated with people who feel the suffering of others intensely, with rawness and burning, hoarseness, and a slowly creeping weakness in single muscles.

Grief & emotions | Joints & pain | Coughs & breathing

Source

A preparation devised by Hahnemann from freshly slaked lime and potassium bisulphate

Kingdom

Mineral

Abbreviation

Caust.

Home acute kit

Usually prescribed by a homeopath

The classic picture

(a remedy is chosen when the whole picture fits the person, not from a single symptom)

Intensely sympathetic, with a strong sense of justice; complaints after long-lasting grief

Raw, burning soreness in the throat and chest, with hoarseness or loss of voice

A cough where mucus can’t quite be brought up, eased by a sip of cold water; urine may leak when coughing

Gradual weakness of single parts such as the eyelid, voice or bladder, with stiff, contracted tendons

Tends to feel better

Damp, wet weather

Warmth, especially heat of bed

Sips of cold water (cough)

Tends to feel worse

Dry, cold winds

Clear, fine weather

Cold air and drafts

How it compares

(remedies that are often confused with Causticum)

  • Phosphorus

    (Phosphorus)

    Both deeply sympathetic; Phosphorus is open and reassured by company, and the two are classically said not to follow each other well.

    Read more
  • Rhus toxicodendron

    (Rhus toxicodendron)

    Both have stiff joints and restlessness at night; Rhus toxicodendron loosens up with continued motion, Causticum is better in damp weather.

    Read more
  • Gelsemium

    (Gelsemium sempervirens)

    Both have drooping eyelids and weakness; Gelsemium’s comes on with acute heaviness and drowsiness, Causticum’s gradually.

    Read more

Free printable guide

12 remedies to keep at home

When to think of each one, how to tell them apart, when to call a doctor instead and a printable home remedy guide.

Get the free guide

From the classic texts

“Child does not want to go to bed alone. Least thing makes it cry. Sad, hopeless. Intensely sympathetic. Ailments from long-lasting grief, sudden emotions.”

William Boericke, Pocket Manual of Homoeopathic Materia Medica (1901)

“Intense sympathy for sufferings of others. Ailments: from long-lasting grief and sorrow (Phos. ac.); from loss of sleep, night watching (Coc., Ign.)”

Henry C. Allen, Keynotes and Characteristics (1898)

Articles that mention Causticum

Addressing Menopause Symptoms: Homeopathy for Hormonal Shifts and Hoarseness

Looking for more than a quick remedy?

Acute remedies can be a starting point for short-term complaints. Ongoing or recurring issues call for a full case: a detailed conversation about your physical, mental and emotional symptoms, so the remedy fits you as a whole person.

Book free intro call

This page is for education only and is not medical advice. Homeopathy is complementary care, not a substitute for diagnosis or treatment by a licensed medical provider. Seek medical care for severe, worsening or emergency symptoms. Please view our Disclaimer.