It is indicated in-

Head feels empty. Sunken eyes, pupils dilated, weak sight. Vertigo very persistent.
 
Constant hunger with poor digestion. Loses flesh. Vomiting at night.
 
Pain in stomach and abdomen worse about umbilicus ineffectual urging. Itching at the anus. Dragging in vaginal region, as if a hernia would protrude. Swelling resembling umbilical hernia.
 
Chest oppressed, with sighing. Pain between shoulders even clothing is oppressive.
 
Skin- itching in palms. Sensation as if pimples would break out. Jaundiced complexion.
 
Extremities- Pain around shoulders, as if a heavy load had been carried. Pain in all finger-joints. Tearing in knee-joint. Convulsive movements.
 
Dose- As prescribed by the physician. Can be taken along with 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.