Ars. Sulph Flavum

Extremities
 
Tearing rheumatic pains
Needle like pricking and tearing pains from within outwards in chest
There is pain in forehead which is mostly on the right side
Sciatica and pain around knees.
Sticking sensation behind ear.
 
Skin
 
Leucoderma i.e. white skin
Skin chafed about genitals.
 
Dose: As prescribed by physician. Can be taken with Allopathic medicines
 
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.