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Natrum Sulphuricum (Nat Sulph)
Natrum sulphuricum (sodium sulphate)
Natrum Sulphuricum (Nat Sulph) uses in homeopathy: a remedy linked with damp-aggravated asthma, liver and digestive complaints and effects of head injury, its key picture, potencies and FAQs — informational.
Quick answer
What is Natrum Sulphuricum used for in homeopathy?
Natrum Sulphuricum, prepared from sodium sulphate, is closely associated with the effects of damp weather and with the liver and digestion. It is a classic remedy in the homeopathic asthma picture where symptoms worsen in wet, humid conditions.
Reviewed & updated: June 2026
This is general information about a homeopathic remedy, not a prescription or dosing advice. In homeopathy the correct remedy and potency are chosen for the whole individual symptom picture by a qualified homeopath — the same remedy is not right for everyone. Do not self-medicate, and consult a qualified homeopathic doctor (and your physician for serious or persistent conditions) before taking any remedy.
What Natrum Sulphuricum is used for
- Breathing complaints that worsen in damp weather
- Liver and bilious digestive complaints
- Loose morning stools with wind
- Low spirits, said to follow damp-weather living or head injury
- A sensitivity to humidity and wet surroundings
Characteristic symptom picture
Homeopaths look for these guiding features when considering Natrum Sulphuricum.
- Marked aggravation from damp and wet weather
- Rattling chest worse in the morning
- Bilious, liverish digestive picture with wind
- Heaviness and low mood in humid conditions
- History said to date from a head injury in some cases
Potency
Natrum Sulphuricum is available in several potencies such as 6C, 30C and 200C, as well as lower and mother-tincture forms in some cases. The right potency and repetition depend entirely on the individual case and are decided by a qualified homeopath - this page gives no dosing instructions.
The Nat Sulph picture and modalities
Natrum Sulphuricum centres on sensitivity to damp and humidity. The chest can be rattling and worse in the morning, the digestion bilious and liverish with loose morning stools and wind, and the mood low, especially in wet surroundings. The classic teaching also links the remedy with the after-effects of a head injury. A homeopath weighs the damp aggravation, the liver picture, and the constitution together rather than relying on one keynote.
Before you consider Nat Sulph
This is materia-medica information, not advice to self-treat. Asthma, liver complaints, and mood changes after a head injury are all serious matters that need proper medical assessment and treatment, never a remedy alone. In homeopathy the correct remedy and potency are chosen for the whole individual by a qualified practitioner, and the same remedy is not right for everyone. Homeopathy should complement, not replace, conventional care.
Conditions where Natrum Sulphuricum is considered
Frequently asked questions
What is Nat Sulph used for in homeopathy?
It is an informational materia-medica remedy traditionally linked with damp-aggravated breathing complaints, liver and digestive symptoms, and low mood in a humidity-sensitive constitution. A homeopath selects it on the whole picture, not as a fixed prescription.
Is Nat Sulph a remedy for asthma?
Asthma with damp-weather aggravation is one classic Nat Sulph keynote, but asthma is a serious condition needing medical care. The remedy, if considered at all, is chosen constitutionally and used only alongside conventional treatment.
Should I take this remedy myself?
Self-medication is discouraged. The correct remedy and potency depend on your whole individual symptom picture and should be chosen by a qualified homeopath.
Is it safe alongside other treatment?
Many people use homeopathy alongside conventional care, but you should inform both your doctor and your homeopath about everything you take so your care stays coordinated.
Don’t self-prescribe — consult a homeopathy doctor
The right remedy and potency are chosen for your individual case. Book an online or in-clinic consultation with a qualified homeopath.

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