Asteria Rubens is a remedy prepared from the Red Starfish which has been effectively used for cancers, especially breast cancer. Nerve pains, hysterical and nervous tendencies all can be well treated with this remedy.
 
Head
 
Severe pain and heat in the head as is if there is hot air circulating around the head.
 
Face
 
Good remedy for those who are prone to pimples on the chin, mouth and nose at the time of puberty.
 
Female
 
Severe piercing pains and ulcers, breast pain and swelling especially on the left. The breast glands have nodes and there is dull pain in the region
Numbness of hand and fingers of left side
Axillary glands swollen hard and knotted
 
Chest
 
Excellent remedy for breast cancer even when there are in the ulcers stage. Severe pain, left breast seems as if the pain is pulling inwards. Glands in the arm pits are swollen and feel hard to touch.
 
Nervous system
 
Convulsions , the muscles in the body feel out of control
 
Skin
 
Ulcers with foul swelling liquid , Pimples. Glands in armpits are swollen which become worse in damp weather and in the night time
 
Dose- As prescribed by physician. Can be taken along 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.