Homeopathic Tissue Remedy Potassium Sulphate For the temporary symptomatic relief of the symptoms of Cough, Earache, Sinus Congestion. Kali Sulph is indicated anytime there is a sticky, yellowish discharge from the skin or mucous membranes. Skin and scalp eruptions with scaling call for this remedy. Symptoms are generally worse in the evening and better in fresh air. Kali Sulph is specifically useful for the relief of symptoms of: Coughs – with yellow expectoration that are worse in a heated room and in the evening. Earaches – the distressing earaches of children. Sinus – sticky, yellow or greenish discharge from the sinuses is an indication that may be relieved by the remedy Kali Sulph.