Kali sulphuricum or Sulphate of Potassium is an important tissue salt which helps in elimination of toxicity. This remedy can be used curatively for: 
 
Eyes 
 
Good for cataract. 
Discharge of yellow matter from the ear. 
 
Nose 
 
Sinusitis and ear infections 
Croup coughs 
Profuse yellow discharges from nose 
Nose obstructed. Smell lost 
Engorgement of the nasal pharyngeal mucous membrane, mouth breathing, snoring 
 
Respiratory 
 
Great congestion and rattling of mucus in the chest with cough. Good for bronchial asthma 
Colds with yellow discharge. 
Skin problems 
Post-grippal cough, especially in children 
 
Skin 
 
Kali sulp dilution can be used for dandruff ,acne and psoriasis. 
Dry scalp and poor skin 
Psoriatic arthritis 
Ringworm of scalp or beard 
Childhood skin complaints 
This remedy is known to bring oxygen to the skin. 
 
Stomach 
 
Individuals prone to constipation 
Yellow coating on tongue with slimy taste 
Joint pains in which the pain shifts across many joints. 
All complaints are worse in warm room and better in cool open air. 
 
Dose- As prescribed by physician. Can be taken along with other allopathic medicines. 
 
Side effects- None 
 
Precautions 
 
Maintain half an hour gap between food/drink/any other medicines and homeopathic medicine. 
Avoid any strong smell in the mouth while taking medicine e.g. camphor, garlic, onion, coffee, hing. 
 
 
Use under medical supervision.