Remedy Reference Guide

Kali Sulphuricum

Kali sulphuricum (potassium sulphate)

Kali Sulphuricum uses in homeopathy: a key remedy for the later stage of colds with thick yellow discharge, and for scaly skin and dandruff, worse in a warm room and better in open air, its symptom picture, FAQs.

Quick answer

What is Kali Sulphuricum used for in homeopathy?

Kali Sulphuricum (Kali Sulph), potassium sulphate, is a homeopathic remedy for the later stage of colds and catarrh with thick, yellow, sticky discharge, and for scaly skin and dandruff — with a Pulsatilla-like modality of worse in a warm room and better in open air.

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 Kali Sulphuricum is used for

Later stage of colds with thick yellow discharge
Catarrh and sinus complaints with yellow mucus
Scaly, flaking skin eruptions and dandruff
Yellow-coated tongue with the above
Wandering rheumatic pains

Characteristic symptom picture

Homeopaths look for these guiding features when considering Kali Sulphuricum.

Thick, yellow, sticky discharges
Worse in a warm, stuffy room; better in open/cool air
Worse in the evening
Yellow, scaly skin and scalp
Symptoms that shift and wander

Potency

Kali Sulph is commonly used in 6X and 30C; potency selection is a clinical decision for your homeopath.

The characteristic picture & modalities

Kali Sulph belongs to the later, ripened stage of colds and catarrh, with thick, yellow, sticky discharge from the nose or sinuses and often a yellow-coated tongue. It also covers yellow, scaly, flaking skin eruptions and dandruff, plus wandering rheumatic pains that shift from place to place. Its defining modality is Pulsatilla-like — worse in a warm, stuffy room and in the evening, and better in open, cool air. This describes a recognisable symptom pattern, not a diagnosis, and it suits only some people whose ripened, yellow-discharge state genuinely matches it.

Before you take Kali Sulphuricum

Treat this as informational background, not a prescription. Kali Sulph is one of the biochemic tissue salts, but the remedy and potency are still chosen by a qualified homeopath who matches them to your whole individual picture, and you should not self-select a potency from this page. A cold that persists, worsens or moves to the chest, and any ongoing skin or catarrh complaint, needs proper medical assessment. Use this only to understand the remedy's traditional uses, and consult a professional before deciding whether it is right for you.

Conditions where Kali Sulphuricum is considered

Homeopathy for Dandruff Homeopathy for Seborrheic Dermatitis

Frequently asked questions

What is Kali Sulphuricum used for?

It is associated with the later stage of colds with thick yellow discharge, sinus catarrh, and scaly skin/dandruff, worse in a warm room and better in open air. The right remedy depends on your picture.

Is Kali Sulph good for a cold with yellow mucus?

It is one of the most-considered remedies for the ripened stage of a cold with thick yellow discharge, but persistent or worsening symptoms need medical assessment.

Is it a tissue salt?

Yes — it is one of the biochemic tissue salts, often used in 6X; a homeopath advises on its use.

Can I self-prescribe it?

No — consult a qualified homeopath for the correct remedy and potency.